mcs/class/Managed.Windows.Forms/System.Windows.Forms/DataGridView.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
  21 //
  22 // Author:
  23 //      Pedro Martínez Juliá <pedromj@gmail.com>
  24 //      Ivan N. Zlatev <contact@i-nz.net>
  25 //
  26
  27 #if NET_2_0
  28
  29 using System;
  30 using System.ComponentModel;
  31 using System.Runtime.InteropServices;
  32 using System.Drawing;
  33 using System.Reflection;
  34 using System.Collections;
  35 using System.Data;
  36 using System.Collections.Generic;
  37
  38 namespace System.Windows.Forms {
  39
  40         [ComVisibleAttribute(true)]
  41         [ClassInterfaceAttribute(ClassInterfaceType.AutoDispatch)]
  42         [Designer("System.Windows.Forms.Design.DataGridViewDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
  43         [Editor("System.Windows.Forms.Design.DataGridViewComponentEditor, " + Consts.AssemblySystem_Design, typeof (System.ComponentModel.ComponentEditor))]
  44         [ComplexBindingProperties ("DataSource", "DataMember")]
  45         [DefaultEvent ("CellContentClick")]
  46         [Docking (DockingBehavior.Ask)]
  47         public class DataGridView : Control, ISupportInitialize, IBindableComponent, IDropTarget
  48         {
  49
  50                 private DataGridViewAdvancedBorderStyle adjustedTopLeftHeaderBorderStyle;
  51                 private DataGridViewAdvancedBorderStyle advancedCellBorderStyle;
  52                 private DataGridViewAdvancedBorderStyle advancedColumnHeadersBorderStyle;
  53                 private DataGridViewAdvancedBorderStyle advancedRowHeadersBorderStyle;
  54                 private bool allowUserToAddRows;
  55                 private bool allowUserToDeleteRows;
  56                 private bool allowUserToOrderColumns;
  57                 private bool allowUserToResizeColumns;
  58                 private bool allowUserToResizeRows;
  59                 private DataGridViewCellStyle alternatingRowsDefaultCellStyle;
  60                 private Point anchor_cell;
  61                 private bool autoGenerateColumns;
  62                 private bool autoSize;
  63                 private DataGridViewAutoSizeColumnsMode autoSizeColumnsMode;
  64                 private DataGridViewAutoSizeRowsMode autoSizeRowsMode;
  65                 private Color backColor;
  66                 private Color backgroundColor;
  67                 private Image backgroundImage;
  68                 private BorderStyle borderStyle;
  69                 private DataGridViewCellBorderStyle cellBorderStyle;
  70                 private DataGridViewClipboardCopyMode clipboardCopyMode;
  71                 private DataGridViewHeaderBorderStyle columnHeadersBorderStyle;
  72                 private DataGridViewCellStyle columnHeadersDefaultCellStyle;
  73                 private int columnHeadersHeight;
  74                 private DataGridViewColumnHeadersHeightSizeMode columnHeadersHeightSizeMode;
  75                 private bool columnHeadersVisible;
  76                 private DataGridViewColumnCollection columns;
  77                 private DataGridViewCell currentCell;
  78                 private Point currentCellAddress;
  79                 private DataGridViewRow currentRow;
  80                 private string dataMember;
  81                 private object dataSource;
  82                 private DataGridViewCellStyle defaultCellStyle;
  83                 //private Control editingControl;
  84                 private DataGridViewEditMode editMode;
  85                 private bool enableHeadersVisualStyles = true;
  86                 private DataGridViewCell firstDisplayedCell;
  87                 private int firstDisplayedScrollingColumnHiddenWidth;
  88                 private int firstDisplayedScrollingColumnIndex;
  89                 private int firstDisplayedScrollingRowIndex;
  90                 private Color gridColor = Color.FromKnownColor(KnownColor.ControlDark);
  91                 private int horizontalScrollingOffset;
  92                 private DataGridViewCell hover_cell = null;
  93                 private bool isCurrentCellDirty;
  94                 //private bool isCurrentRowDirty;
  95                 private bool multiSelect;
  96                 private bool readOnly;
  97                 private DataGridViewHeaderBorderStyle rowHeadersBorderStyle;
  98                 private DataGridViewCellStyle rowHeadersDefaultCellStyle;
  99                 private bool rowHeadersVisible;
 100                 private int rowHeadersWidth;
 101                 private DataGridViewRowHeadersWidthSizeMode rowHeadersWidthSizeMode;
 102                 private DataGridViewRowCollection rows;
 103                 private DataGridViewCellStyle rowsDefaultCellStyle;
 104                 private DataGridViewRow rowTemplate;
 105                 private ScrollBars scrollBars;
 106                 private DataGridViewSelectionMode selectionMode;
 107                 private bool showCellErrors;
 108                 private bool showCellToolTips;
 109                 private bool showEditingIcon;
 110                 private bool showRowErrors;
 111                 private DataGridViewColumn sortedColumn = null;
 112                 private SortOrder sortOrder;
 113                 private bool standardTab;
 114                 private DataGridViewHeaderCell topLeftHeaderCell;
 115                 private Cursor userSetCursor;
 116                 private int verticalScrollingOffset;
 117                 private bool virtualMode;
 118                 private HScrollBar horizontalScrollBar;
 119                 private VScrollBar verticalScrollBar;
 120                 private Control editingControl;
 121                 private bool is_autogenerating_columns = false;
 122                 private bool is_binding = false;
 123                 private bool new_row_editing = false;
 124
 125                 // These are used to implement selection behaviour with SHIFT pressed.
 126                 private int selected_row = -1;
 127                 private int selected_column = -1;
 128
 129                 // Stuff for error Tooltips
 130                 private Timer tooltip_timer;
 131                 private ToolTip tooltip_window;
 132                 private DataGridViewCell tooltip_currently_showing;
 133
 134                 private DataGridViewSelectedRowCollection selected_rows;
 135                 private DataGridViewSelectedColumnCollection selected_columns;
 136                 private DataGridViewRow editing_row;
 137
 138                 private int gridWidth;
 139                 private int gridHeight;
 140
 141                 DataGridViewHeaderCell pressed_header_cell;
 142                 DataGridViewHeaderCell entered_header_cell;
 143
 144                 // For column/row resizing via mouse
 145                 private bool column_resize_active = false;
 146                 private bool row_resize_active = false;
 147                 private int resize_band = -1;
 148                 private int resize_band_start = 0;
 149                 private int resize_band_delta = 0;
 150
 151                 public DataGridView ()
 152                 {
 153                         SetStyle (ControlStyles.Opaque, true);
 154                         //SetStyle (ControlStyles.UserMouse, true);
 155                         SetStyle (ControlStyles.OptimizedDoubleBuffer, true);
 156
 157                         adjustedTopLeftHeaderBorderStyle = new DataGridViewAdvancedBorderStyle();
 158                         adjustedTopLeftHeaderBorderStyle.All = DataGridViewAdvancedCellBorderStyle.Single;
 159                         advancedCellBorderStyle = new DataGridViewAdvancedBorderStyle();
 160                         advancedCellBorderStyle.All = DataGridViewAdvancedCellBorderStyle.Single;
 161                         advancedColumnHeadersBorderStyle = new DataGridViewAdvancedBorderStyle();
 162                         advancedColumnHeadersBorderStyle.All = DataGridViewAdvancedCellBorderStyle.Single;
 163                         advancedRowHeadersBorderStyle = new DataGridViewAdvancedBorderStyle();
 164                         advancedRowHeadersBorderStyle.All = DataGridViewAdvancedCellBorderStyle.Single;
 165                         alternatingRowsDefaultCellStyle = new DataGridViewCellStyle();
 166                         allowUserToAddRows = true;
 167                         allowUserToDeleteRows = true;
 168                         allowUserToOrderColumns = false;
 169                         allowUserToResizeColumns = true;
 170                         allowUserToResizeRows = true;
 171                         autoGenerateColumns = true;
 172                         autoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.None;
 173                         autoSizeRowsMode = DataGridViewAutoSizeRowsMode.None;
 174                         backColor = Control.DefaultBackColor;
 175                         backgroundColor = SystemColors.AppWorkspace;
 176                         borderStyle = BorderStyle.FixedSingle;
 177                         cellBorderStyle = DataGridViewCellBorderStyle.Single;
 178                         clipboardCopyMode = DataGridViewClipboardCopyMode.EnableWithAutoHeaderText;
 179                         columnHeadersBorderStyle = DataGridViewHeaderBorderStyle.Single;
 180                         columnHeadersDefaultCellStyle = new DataGridViewCellStyle();
 181                         columnHeadersDefaultCellStyle.BackColor = SystemColors.Control;
 182                         columnHeadersDefaultCellStyle.ForeColor = SystemColors.WindowText;
 183                         columnHeadersDefaultCellStyle.SelectionBackColor = SystemColors.Highlight;
 184                         columnHeadersDefaultCellStyle.SelectionForeColor = SystemColors.HighlightText;
 185                         columnHeadersDefaultCellStyle.Font = this.Font;
 186                         columnHeadersDefaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleLeft;
 187                         columnHeadersDefaultCellStyle.WrapMode = DataGridViewTriState.True;
 188                         columnHeadersHeight = 23;
 189                         columnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.EnableResizing;
 190                         columnHeadersVisible = true;
 191                         columns = CreateColumnsInstance();
 192                         columns.CollectionChanged += OnColumnCollectionChanged;
 193                         currentCellAddress = new Point (-1, -1);
 194                         dataMember = String.Empty;
 195                         defaultCellStyle = new DataGridViewCellStyle();
 196                         defaultCellStyle.BackColor = SystemColors.Window;
 197                         defaultCellStyle.ForeColor = SystemColors.ControlText;
 198                         defaultCellStyle.SelectionBackColor = SystemColors.Highlight;
 199                         defaultCellStyle.SelectionForeColor = SystemColors.HighlightText;
 200                         defaultCellStyle.Font = this.Font;
 201                         defaultCellStyle.Alignment = DataGridViewContentAlignment.MiddleLeft;
 202                         defaultCellStyle.WrapMode = DataGridViewTriState.False;
 203                         editMode = DataGridViewEditMode.EditOnKeystrokeOrF2;
 204                         firstDisplayedScrollingColumnHiddenWidth = 0;
 205                         isCurrentCellDirty = false;
 206                         multiSelect = true;
 207                         readOnly = false;
 208                         rowHeadersBorderStyle = DataGridViewHeaderBorderStyle.Single;
 209                         rowHeadersDefaultCellStyle = (DataGridViewCellStyle) columnHeadersDefaultCellStyle.Clone ();
 210                         rowHeadersVisible = true;
 211                         rowHeadersWidth = 41;
 212                         rowHeadersWidthSizeMode = DataGridViewRowHeadersWidthSizeMode.EnableResizing;
 213                         rows = CreateRowsInstance();
 214                         rowsDefaultCellStyle = new DataGridViewCellStyle();
 215                         selectionMode = DataGridViewSelectionMode.RowHeaderSelect;
 216                         showCellErrors = true;
 217                         showEditingIcon = true;
 218                         userSetCursor = Cursor.Current;
 219                         virtualMode = false;
 220
 221                         horizontalScrollBar = new HScrollBar();
 222                         horizontalScrollBar.Scroll += OnHScrollBarScroll;
 223                         horizontalScrollBar.Visible = false;
 224
 225                         verticalScrollBar = new VScrollBar();
 226                         verticalScrollBar.Scroll += OnVScrollBarScroll;
 227                         verticalScrollBar.Visible = false;
 228
 229                         Controls.AddRange (new Control[] {horizontalScrollBar, verticalScrollBar});
 230                 }
 231
 232                 void ISupportInitialize.BeginInit ()
 233                 {
 234                 }
 235
 236                 void ISupportInitialize.EndInit ()
 237                 {
 238                 }
 239
 240                 // Propiedades
 241
 242                 [Browsable (false)]
 243                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 244                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 245                 public virtual DataGridViewAdvancedBorderStyle AdjustedTopLeftHeaderBorderStyle {
 246                         get { return adjustedTopLeftHeaderBorderStyle; }
 247                 }
 248
 249                 [Browsable (false)]
 250                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 251                 public DataGridViewAdvancedBorderStyle AdvancedCellBorderStyle {
 252                         get { return advancedCellBorderStyle; }
 253                 }
 254
 255                 [Browsable (false)]
 256                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 257                 public DataGridViewAdvancedBorderStyle AdvancedColumnHeadersBorderStyle {
 258                         get { return advancedColumnHeadersBorderStyle; }
 259                 }
 260
 261                 [Browsable (false)]
 262                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 263                 public DataGridViewAdvancedBorderStyle AdvancedRowHeadersBorderStyle {
 264                         get { return advancedRowHeadersBorderStyle; }
 265                 }
 266
 267                 [DefaultValue (true)]
 268                 public bool AllowUserToAddRows {
 269                         get {
 270                                 if (allowUserToAddRows && DataManager != null)
 271                                         return DataManager.AllowNew;
 272                                 return allowUserToAddRows;
 273                         }
 274                         set {
 275                                 if (allowUserToAddRows != value) {
 276                                         allowUserToAddRows = value;
 277                                         OnAllowUserToAddRowsChanged(EventArgs.Empty);
 278                                         PrepareEditingRow (false, false);
 279                                         Invalidate ();
 280                                 }
 281                         }
 282                 }
 283
 284                 [DefaultValue (true)]
 285                 public bool AllowUserToDeleteRows {
 286                         get {
 287                                 if (allowUserToDeleteRows && DataManager != null)
 288                                         return DataManager.AllowRemove;
 289                                 return allowUserToDeleteRows;
 290                         }
 291                         set {
 292                                 if (allowUserToDeleteRows != value) {
 293                                         allowUserToDeleteRows = value;
 294                                         OnAllowUserToDeleteRowsChanged(EventArgs.Empty);
 295                                 }
 296                         }
 297                 }
 298
 299                 [DefaultValue (false)]
 300                 public bool AllowUserToOrderColumns {
 301                         get { return allowUserToOrderColumns; }
 302                         set {
 303                                 if (allowUserToOrderColumns != value) {
 304                                         allowUserToOrderColumns = value;
 305                                         OnAllowUserToOrderColumnsChanged(EventArgs.Empty);
 306                                 }
 307                         }
 308                 }
 309
 310                 [DefaultValue (true)]
 311                 public bool AllowUserToResizeColumns {
 312                         get { return allowUserToResizeColumns; }
 313                         set {
 314                                 if (allowUserToResizeColumns != value) {
 315                                         allowUserToResizeColumns = value;
 316                                         OnAllowUserToResizeColumnsChanged(EventArgs.Empty);
 317                                 }
 318                         }
 319                 }
 320
 321                 [DefaultValue (true)]
 322                 public bool AllowUserToResizeRows {
 323                         get { return allowUserToResizeRows; }
 324                         set {
 325                                 if (allowUserToResizeRows != value) {
 326                                         allowUserToResizeRows = value;
 327                                         OnAllowUserToResizeRowsChanged(EventArgs.Empty);
 328                                 }
 329                         }
 330                 }
 331
 332                 public DataGridViewCellStyle AlternatingRowsDefaultCellStyle {
 333                         get { return alternatingRowsDefaultCellStyle; }
 334                         set {
 335                                 if (alternatingRowsDefaultCellStyle != value) {
 336                                         alternatingRowsDefaultCellStyle = value;
 337                                         OnAlternatingRowsDefaultCellStyleChanged(EventArgs.Empty);
 338                                         Invalidate();
 339                                 }
 340                         }
 341                 }
 342
 343                 [Browsable (false)]
 344                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 345                 [DefaultValue (true)]
 346                 public bool AutoGenerateColumns {
 347                         get { return autoGenerateColumns; }
 348                         set {
 349                                 if (autoGenerateColumns != value) {
 350                                         autoGenerateColumns = value;
 351                                         OnAutoGenerateColumnsChanged(EventArgs.Empty);
 352                                 }
 353                         }
 354                 }
 355
 356                 public override bool AutoSize {
 357                         get { return autoSize; }
 358                         set {
 359                                 if (autoSize != value) {
 360                                         autoSize = value;
 361                                         //OnAutoSizeChanged(EventArgs.Empty);
 362                                 }
 363                         }
 364                 }
 365
 366                 [DefaultValue (DataGridViewAutoSizeColumnsMode.None)]
 367                 public DataGridViewAutoSizeColumnsMode AutoSizeColumnsMode {
 368                         get { return autoSizeColumnsMode; }
 369                         set {
 370                                 if (!Enum.IsDefined(typeof(DataGridViewAutoSizeColumnsMode), value)) {
 371                                         throw new InvalidEnumArgumentException("Value is not valid DataGridViewAutoSizeColumnsMode.");
 372                                 }
 373                                 if (value == DataGridViewAutoSizeColumnsMode.ColumnHeader && columnHeadersVisible == false) {
 374                                         foreach (DataGridViewColumn col in columns) {
 375                                                 if (col.AutoSizeMode == DataGridViewAutoSizeColumnMode.NotSet) {
 376                                                                 throw new InvalidOperationException("Cant set this property to ColumnHeader in this DataGridView.");
 377                                                 }
 378                                         }
 379                                 }
 380                                 if (value == DataGridViewAutoSizeColumnsMode.Fill) {
 381                                         foreach (DataGridViewColumn col in columns) {
 382                                                 if (col.AutoSizeMode == DataGridViewAutoSizeColumnMode.NotSet) {
 383                                                         if (col.Frozen) {
 384                                                                 throw new InvalidOperationException("Cant set this property to Fill in this DataGridView.");
 385                                                         }
 386                                                 }
 387                                         }
 388                                 }
 389
 390                                 autoSizeColumnsMode = value;
 391                                 AutoResizeColumns (value);
 392                                 Invalidate ();
 393                         }
 394                 }
 395
 396                 [DefaultValue (DataGridViewAutoSizeRowsMode.None)]
 397                 public DataGridViewAutoSizeRowsMode AutoSizeRowsMode {
 398                         get { return autoSizeRowsMode; }
 399                         set {
 400                                 if (autoSizeRowsMode != value) {
 401                                         if (!Enum.IsDefined(typeof(DataGridViewAutoSizeRowsMode), value)) {
 402                                                 throw new InvalidEnumArgumentException("Value is not valid DataGridViewRowsMode.");
 403                                         }
 404                                         if ((value == DataGridViewAutoSizeRowsMode.AllHeaders || value == DataGridViewAutoSizeRowsMode.DisplayedHeaders) && rowHeadersVisible == false) {
 405                                                 throw new InvalidOperationException("Cant set this property to AllHeaders or DisplayedHeaders in this DataGridView.");
 406                                         }
 407                                         autoSizeRowsMode = value;
 408
 409                                         if (value == DataGridViewAutoSizeRowsMode.None)
 410                                                 foreach (DataGridViewRow row in Rows)
 411                                                         row.ResetToExplicitHeight ();
 412                                         else
 413                                                 AutoResizeRows (value);
 414
 415                                         OnAutoSizeRowsModeChanged(new DataGridViewAutoSizeModeEventArgs(false));
 416                                         Invalidate ();
 417                                         ////////////////////////////////////////////////////////////////
 418                                 }
 419                         }
 420                 }
 421
 422                 [Browsable (false)]
 423                 [EditorBrowsable (EditorBrowsableState.Never)]
 424                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 425                 public override Color BackColor {
 426                         get { return backColor; }
 427                         set {
 428                                 if (backColor != value) {
 429                                         backColor = value;
 430                                         OnBackColorChanged(EventArgs.Empty);
 431                                 }
 432                         }
 433                 }
 434
 435                 public Color BackgroundColor {
 436                         get { return backgroundColor; }
 437                         set {
 438                                 if (backgroundColor != value) {
 439                                         if (value == Color.Empty) {
 440                                                 throw new ArgumentException("Cant set an Empty color.");
 441                                         }
 442                                         backgroundColor = value;
 443                                         OnBackgroundColorChanged(EventArgs.Empty);
 444                                 }
 445                         }
 446                 }
 447
 448                 [Browsable (false)]
 449                 [EditorBrowsable (EditorBrowsableState.Never)]
 450                 public override Image BackgroundImage {
 451                         get { return backgroundImage; }
 452                         set {
 453                                 if (backgroundImage != value) {
 454                                         backgroundImage = value;
 455                                         OnBackgroundImageChanged(EventArgs.Empty);
 456                                 }
 457                         }
 458                 }
 459
 460                 [Browsable (false)]
 461                 [EditorBrowsable (EditorBrowsableState.Never)]
 462                 public override ImageLayout BackgroundImageLayout {
 463                         get { return base.BackgroundImageLayout; }
 464                         set { base.BackgroundImageLayout = value; }
 465                 }
 466
 467                 [DefaultValue (BorderStyle.FixedSingle)]
 468                 public BorderStyle BorderStyle {
 469                         get { return borderStyle; }
 470                         set {
 471                                 if (borderStyle != value) {
 472                                         if (!Enum.IsDefined(typeof(BorderStyle), value)) {
 473                                                 throw new InvalidEnumArgumentException("Invalid border style.");
 474                                         }
 475                                         borderStyle = value;
 476                                         OnBorderStyleChanged(EventArgs.Empty);
 477                                 }
 478                         }
 479                 }
 480
 481                 internal int BorderWidth {
 482                         get {
 483                                 switch (BorderStyle) {
 484                                 case BorderStyle.Fixed3D:
 485                                         return 2;
 486                                 case BorderStyle.FixedSingle:
 487                                         return 1;
 488                                 case BorderStyle.None:
 489                                 default:
 490                                         return 0;
 491                                 }
 492                         }
 493                 }
 494
 495                 [Browsable (true)]
 496                 [DefaultValue (DataGridViewCellBorderStyle.Single)]
 497                 public DataGridViewCellBorderStyle CellBorderStyle {
 498                         get { return cellBorderStyle; }
 499                         set {
 500                                 if (cellBorderStyle != value) {
 501                                         if (value == DataGridViewCellBorderStyle.Custom)
 502                                                 throw new ArgumentException ("CellBorderStyle cannot be set to Custom.");
 503
 504                                         cellBorderStyle = value;
 505
 506                                         DataGridViewAdvancedBorderStyle border = new DataGridViewAdvancedBorderStyle ();
 507
 508                                         switch (cellBorderStyle) {
 509                                                 case DataGridViewCellBorderStyle.Single:
 510                                                         border.All = DataGridViewAdvancedCellBorderStyle.Single;
 511                                                         break;
 512                                                 case DataGridViewCellBorderStyle.Raised:
 513                                                 case DataGridViewCellBorderStyle.RaisedVertical:
 514                                                         border.Bottom = DataGridViewAdvancedCellBorderStyle.None;
 515                                                         border.Top = DataGridViewAdvancedCellBorderStyle.None;
 516                                                         border.Left = DataGridViewAdvancedCellBorderStyle.Outset;
 517                                                         border.Right = DataGridViewAdvancedCellBorderStyle.Outset;
 518                                                         break;
 519                                                 case DataGridViewCellBorderStyle.Sunken:
 520                                                         border.All = DataGridViewAdvancedCellBorderStyle.Inset;
 521                                                         break;
 522                                                 case DataGridViewCellBorderStyle.None:
 523                                                         border.All = DataGridViewAdvancedCellBorderStyle.None;
 524                                                         break;
 525                                                 case DataGridViewCellBorderStyle.SingleVertical:
 526                                                         border.Bottom = DataGridViewAdvancedCellBorderStyle.None;
 527                                                         border.Top = DataGridViewAdvancedCellBorderStyle.None;
 528                                                         border.Left = DataGridViewAdvancedCellBorderStyle.None;
 529                                                         border.Right = DataGridViewAdvancedCellBorderStyle.Single;
 530                                                         break;
 531                                                 case DataGridViewCellBorderStyle.SunkenVertical:
 532                                                         border.Bottom = DataGridViewAdvancedCellBorderStyle.None;
 533                                                         border.Top = DataGridViewAdvancedCellBorderStyle.None;
 534                                                         border.Left = DataGridViewAdvancedCellBorderStyle.Inset;
 535                                                         border.Right = DataGridViewAdvancedCellBorderStyle.Inset;
 536                                                         break;
 537                                                 case DataGridViewCellBorderStyle.SingleHorizontal:
 538                                                 case DataGridViewCellBorderStyle.SunkenHorizontal:
 539                                                         border.Bottom = DataGridViewAdvancedCellBorderStyle.Inset;
 540                                                         border.Top = DataGridViewAdvancedCellBorderStyle.Inset;
 541                                                         border.Left = DataGridViewAdvancedCellBorderStyle.None;
 542                                                         border.Right = DataGridViewAdvancedCellBorderStyle.None;
 543                                                         break;
 544                                                 case DataGridViewCellBorderStyle.RaisedHorizontal:
 545                                                         border.Bottom = DataGridViewAdvancedCellBorderStyle.Outset;
 546                                                         border.Top = DataGridViewAdvancedCellBorderStyle.Outset;
 547                                                         border.Left = DataGridViewAdvancedCellBorderStyle.None;
 548                                                         border.Right = DataGridViewAdvancedCellBorderStyle.None;
 549                                                         break;
 550                                         }
 551
 552                                         advancedCellBorderStyle = border;
 553
 554                                         OnCellBorderStyleChanged (EventArgs.Empty);
 555                                 }
 556                         }
 557                 }
 558
 559                 [Browsable (true)]
 560                 [DefaultValue (DataGridViewClipboardCopyMode.EnableWithAutoHeaderText)]
 561                 public DataGridViewClipboardCopyMode ClipboardCopyMode {
 562                         get { return clipboardCopyMode; }
 563                         set { clipboardCopyMode = value; }
 564                 }
 565
 566                 [Browsable (false)]
 567                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 568                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 569                 [DefaultValue (0)]
 570                 public int ColumnCount {
 571                         get { return columns.Count; }
 572                         set {
 573                                 if (value < 0) {
 574                                         throw new ArgumentOutOfRangeException("ColumnCount",
 575                                                 "ColumnCount must be >= 0.");
 576                                 }
 577                                 if (dataSource != null) {
 578                                         throw new InvalidOperationException("Cant change column count if DataSource is set.");
 579                                 }
 580                                 if (value < columns.Count) {
 581                                         for (int i = value; i < columns.Count; i++) {
 582                                                 columns.RemoveAt(i);
 583                                         }
 584                                 }
 585                                 else if (value > columns.Count) {
 586                                         for (int i = 0; i < value; i++) {
 587                                                 DataGridViewTextBoxColumn col = new DataGridViewTextBoxColumn ();
 588                                                 columns.Add(col);
 589                                         }
 590                                 }
 591                         }
 592                 }
 593
 594                 [Browsable (true)]
 595                 [DefaultValue (DataGridViewHeaderBorderStyle.Raised)]
 596                 public DataGridViewHeaderBorderStyle ColumnHeadersBorderStyle {
 597                         get { return columnHeadersBorderStyle; }
 598                         set {
 599                                 if (columnHeadersBorderStyle != value) {
 600                                         columnHeadersBorderStyle = value;
 601                                         OnColumnHeadersBorderStyleChanged(EventArgs.Empty);
 602                                 }
 603                         }
 604                 }
 605
 606                 [AmbientValue (null)]
 607                 public DataGridViewCellStyle ColumnHeadersDefaultCellStyle {
 608                         get { return columnHeadersDefaultCellStyle; }
 609                         set {
 610                                 if (columnHeadersDefaultCellStyle != value) {
 611                                         columnHeadersDefaultCellStyle = value;
 612                                         OnColumnHeadersDefaultCellStyleChanged(EventArgs.Empty);
 613                                 }
 614                         }
 615                 }
 616
 617                 [Localizable (true)]
 618                 public int ColumnHeadersHeight {
 619                         get { return columnHeadersHeight; }
 620                         set {
 621                                 if (columnHeadersHeight != value) {
 622                                         if (value < 4) {
 623                                                 throw new ArgumentOutOfRangeException("ColumnHeadersHeight",
 624                                                         "Column headers height cant be less than 4.");
 625                                         }
 626                                         if (value > 32768 ) {
 627                                                 throw new ArgumentOutOfRangeException("ColumnHeadersHeight",
 628                                                         "Column headers height cannot be more than 32768.");
 629                                         }
 630                                         columnHeadersHeight = value;
 631                                         OnColumnHeadersHeightChanged(EventArgs.Empty);
 632
 633                                         if (columnHeadersVisible)
 634                                                 Invalidate ();
 635                                 }
 636                         }
 637                 }
 638
 639                 [RefreshProperties (RefreshProperties.All)]
 640                 [DefaultValue (DataGridViewColumnHeadersHeightSizeMode.EnableResizing)]
 641                 public DataGridViewColumnHeadersHeightSizeMode ColumnHeadersHeightSizeMode {
 642                         get { return columnHeadersHeightSizeMode; }
 643                         set {
 644                                 if (columnHeadersHeightSizeMode != value) {
 645                                         if (!Enum.IsDefined(typeof(DataGridViewColumnHeadersHeightSizeMode), value)) {
 646                                                 throw new InvalidEnumArgumentException("Value is not a valid DataGridViewColumnHeadersHeightSizeMode.");
 647                                         }
 648                                         columnHeadersHeightSizeMode = value;
 649                                         OnColumnHeadersHeightSizeModeChanged(new DataGridViewAutoSizeModeEventArgs(false));
 650                                 }
 651                         }
 652                 }
 653
 654                 [DefaultValue (true)]
 655                 public bool ColumnHeadersVisible {
 656                         get { return columnHeadersVisible; }
 657                         set {
 658                                 if (columnHeadersVisible != value) {
 659                                         columnHeadersVisible = value;
 660                                         Invalidate ();
 661                                 }
 662                         }
 663                 }
 664
 665                 [MergableProperty (false)]
 666                 [Editor ("System.Windows.Forms.Design.DataGridViewColumnCollectionEditor, " + Consts.AssemblySystem_Design, typeof (System.Drawing.Design.UITypeEditor))]
 667                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 668                 public DataGridViewColumnCollection Columns {
 669                         get { return columns; }
 670                 }
 671
 672                 [Browsable (false)]
 673                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 674                 public DataGridViewCell CurrentCell {
 675                         get { return currentCell; }
 676                         set {
 677                                 /////////////////////////////////////////////////////
 678                                 /// *** InvalidOperationException ***
 679                                 /// Changes to the specified cell cannot be committed
 680                                 /// to the data cache, or the new cell is in a hidden
 681                                 /// row.
 682                                 /////////////////////////////////////////////////////
 683                                 if (value.DataGridView != this)
 684                                         throw new ArgumentException("The cell is not in this DataGridView.");
 685
 686                                 if (value != null)
 687                                         MoveCurrentCell (value.OwningColumn.Index, value.OwningRow.Index, true, false, false, true);
 688                                 else
 689                                         MoveCurrentCell (-1, -1, true, false, false, true);
 690                         }
 691                 }
 692
 693                 [Browsable (false)]
 694                 public Point CurrentCellAddress {
 695                         get { return currentCellAddress; }
 696                 }
 697
 698                 [Browsable (false)]
 699                 public DataGridViewRow CurrentRow {
 700                         get {
 701                                 if (currentCell != null)
 702                                         return currentCell.OwningRow;
 703                                 return null;
 704                         }
 705                 }
 706
 707                 [DefaultValue ("")]
 708                 [Editor ("System.Windows.Forms.Design.DataMemberListEditor, " + Consts.AssemblySystem_Design, typeof (System.Drawing.Design.UITypeEditor))]
 709                 public string DataMember {
 710                         get { return dataMember; }
 711                         set {
 712                                 if (dataMember != value) {
 713                                         dataMember = value;
 714                                         ReBind ();
 715                                         OnDataMemberChanged(EventArgs.Empty);
 716                                 }
 717                         }
 718                 }
 719
 720                 [RefreshProperties (RefreshProperties.Repaint)]
 721                 [DefaultValue (null)]
 722                 [AttributeProvider (typeof (IListSource))]
 723                 public object DataSource {
 724                         get { return dataSource; }
 725                         set {
 726                                 /* The System.Windows.Forms.DataGridView class supports the standard Windows Forms data-binding model. This means the data source can be of any type that implements:
 727                                  - the System.Collections.IList interface, including one-dimensional arrays.
 728                                  - the System.ComponentModel.IListSource interface, such as the System.Data.DataTable and System.Data.DataSet classes.
 729                                  - the System.ComponentModel.IBindingList interface, such as the System.ComponentModel.Collections.BindingList<> class.
 730                                  - the System.ComponentModel.IBindingListView interface, such as the System.Windows.Forms.BindingSource class.
 731                                 */
 732                                 if (!(value == null || value is IList || value is IListSource || value is IBindingList || value is IBindingListView))
 733                                         throw new NotSupportedException ("Type cannot be bound.");
 734
 735                                 dataSource = value;
 736                                 ReBind ();
 737                                 OnDataSourceChanged (EventArgs.Empty);
 738                         }
 739                 }
 740
 741                 internal CurrencyManager DataManager {
 742                         get {
 743                                 if (DataSource != null && BindingContext != null) {
 744                                         string dataMember = DataMember;
 745                                         if (dataMember == null)
 746                                                 dataMember = String.Empty;
 747                                         return (CurrencyManager) this.BindingContext[DataSource, dataMember];
 748                                 }
 749                                 return null;
 750                         }
 751                 }
 752
 753                 [AmbientValue (null)]
 754                 public DataGridViewCellStyle DefaultCellStyle {
 755                         get { return defaultCellStyle; }
 756                         set {
 757                                 if (defaultCellStyle != value) {
 758                                         defaultCellStyle = value;
 759                                         OnDefaultCellStyleChanged(EventArgs.Empty);
 760                                 }
 761                         }
 762                 }
 763
 764                 public override Rectangle DisplayRectangle {
 765                         get { return base.DisplayRectangle; }
 766                 }
 767
 768                 [Browsable (false)]
 769                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 770                 public Control EditingControl {
 771                         get {
 772                                 return editingControl;
 773                         }
 774                 }
 775
 776                 [Browsable (false)]
 777                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 778                 public Panel EditingPanel {
 779                         get { throw new NotImplementedException(); }
 780                 }
 781
 782                 [DefaultValue (DataGridViewEditMode.EditOnKeystrokeOrF2)]
 783                 public DataGridViewEditMode EditMode {
 784                         get { return editMode; }
 785                         set {
 786                                 if (editMode != value) {
 787                                         editMode = value;
 788                                         OnEditModeChanged(EventArgs.Empty);
 789                                 }
 790                         }
 791                 }
 792
 793                 [DefaultValue (true)]
 794                 public bool EnableHeadersVisualStyles {
 795                         get { return enableHeadersVisualStyles; }
 796                         set { enableHeadersVisualStyles = value; }
 797                 }
 798
 799                 internal DataGridViewHeaderCell EnteredHeaderCell {
 800                         get { return entered_header_cell; }
 801                         set {
 802                                 if (entered_header_cell == value)
 803                                         return;
 804                                 if (ThemeEngine.Current.DataGridViewHeaderCellHasHotStyle (this)) {
 805                                         Region area_to_invalidate = new Region ();
 806                                         area_to_invalidate.MakeEmpty ();
 807                                         if (entered_header_cell != null)
 808                                                 area_to_invalidate.Union (GetHeaderCellBounds (entered_header_cell));
 809                                         entered_header_cell = value;
 810                                         if (entered_header_cell != null)
 811                                                 area_to_invalidate.Union (GetHeaderCellBounds (entered_header_cell));
 812                                         Invalidate (area_to_invalidate);
 813                                         area_to_invalidate.Dispose ();
 814                                 } else
 815                                         entered_header_cell = value;
 816                         }
 817                 }
 818
 819                 [Browsable (false)]
 820                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 821                 public DataGridViewCell FirstDisplayedCell {
 822                         get { return firstDisplayedCell; }
 823                         set {
 824                                 if (value.DataGridView != this) {
 825                                         throw new ArgumentException("The cell is not in this DataGridView.");
 826                                 }
 827                                 firstDisplayedCell = value;
 828                         }
 829                 }
 830
 831                 [Browsable (false)]
 832                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 833                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 834                 public int FirstDisplayedScrollingColumnHiddenWidth {
 835                         get { return firstDisplayedScrollingColumnHiddenWidth; }
 836                 }
 837
 838                 [Browsable (false)]
 839                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 840                 public int FirstDisplayedScrollingColumnIndex {
 841                         get { return firstDisplayedScrollingColumnIndex; }
 842                         set { firstDisplayedScrollingColumnIndex = value; }
 843                 }
 844
 845                 [Browsable (false)]
 846                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 847                 public int FirstDisplayedScrollingRowIndex {
 848                         get { return firstDisplayedScrollingRowIndex; }
 849                         set { firstDisplayedScrollingRowIndex = value; }
 850                 }
 851
 852                 [Browsable (false)]
 853                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 854                 public override Font Font {
 855                         get { return base.Font; }
 856                         set { base.Font = value; }
 857                 }
 858
 859                 [Browsable (false)]
 860                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 861                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 862                 public override Color ForeColor {
 863                         get { return base.ForeColor; }
 864                         set { base.ForeColor = value; }
 865                 }
 866
 867                 public Color GridColor {
 868                         get { return gridColor; }
 869                         set {
 870                                 if (gridColor != value) {
 871                                         if (value == Color.Empty) {
 872                                                 throw new ArgumentException("Cant set an Empty color.");
 873                                         }
 874                                         gridColor = value;
 875                                         OnGridColorChanged(EventArgs.Empty);
 876                                 }
 877                         }
 878                 }
 879
 880                 [Browsable (false)]
 881                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 882                 public int HorizontalScrollingOffset {
 883                         get { return horizontalScrollingOffset; }
 884                         set { horizontalScrollingOffset = value; }
 885                 }
 886
 887                 [Browsable (false)]
 888                 public bool IsCurrentCellDirty {
 889                         get { return isCurrentCellDirty; }
 890                 }
 891
 892                 [Browsable (false)]
 893                 public bool IsCurrentCellInEditMode {
 894                         get {
 895                                 if (currentCell == null) {
 896                                         return false;
 897                                 }
 898                                 return currentCell.IsInEditMode;
 899                         }
 900                 }
 901
 902                 [Browsable (false)]
 903                 public bool IsCurrentRowDirty {
 904                         get {
 905                                 if (!virtualMode) {
 906                                         return IsCurrentCellDirty;
 907                                 }
 908                                 // Calcular
 909                                 throw new NotImplementedException();
 910                         }
 911                 }
 912
 913                 [Browsable (false)]
 914                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 915                 public DataGridViewCell this [int columnIndex, int rowIndex] {
 916                         get { return rows[rowIndex].Cells[columnIndex]; }
 917                         set { rows[rowIndex].Cells[columnIndex] = value; }
 918                 }
 919
 920                 [Browsable (false)]
 921                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 922                 public DataGridViewCell this [string columnName, int rowIndex] {
 923                         get {
 924                                 int columnIndex = -1;
 925                                 foreach (DataGridViewColumn col in columns) {
 926                                         if (col.Name == columnName) {
 927                                                 columnIndex = col.Index;
 928                                                 break;
 929                                         }
 930                                 }
 931                                 return this[columnIndex, rowIndex];
 932                         }
 933                         set {
 934                                 int columnIndex = -1;
 935                                 foreach (DataGridViewColumn col in columns) {
 936                                         if (col.Name == columnName) {
 937                                                 columnIndex = col.Index;
 938                                                 break;
 939                                         }
 940                                 }
 941                                 this[columnIndex, rowIndex] = value;
 942                         }
 943                 }
 944
 945                 [DefaultValue (true)]
 946                 public bool MultiSelect {
 947                         get { return multiSelect; }
 948                         set {
 949                                 if (multiSelect != value) {
 950                                         multiSelect = value;
 951                                         OnMultiSelectChanged(EventArgs.Empty);
 952                                 }
 953                         }
 954                 }
 955
 956                 [Browsable (false)]
 957                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 958                 public int NewRowIndex {
 959                         get {
 960                                 if (!AllowUserToAddRows || ColumnCount == 0) {
 961                                         return -1;
 962                                 }
 963                                 return rows.Count - 1;
 964                         }
 965                 }
 966
 967                 [Browsable (false)]
 968                 [EditorBrowsable (EditorBrowsableState.Never)]
 969                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 970                 public new Padding Padding {
 971                         get { return Padding.Empty; }
 972                         set { }
 973                 }
 974
 975                 internal DataGridViewHeaderCell PressedHeaderCell {
 976                         get { return pressed_header_cell; }
 977                 }
 978
 979                 [Browsable (true)]
 980                 [DefaultValue (false)]
 981                 public bool ReadOnly {
 982                         get { return readOnly; }
 983                         set {
 984                                 if (readOnly != value) {
 985                                         readOnly = value;
 986                                         OnReadOnlyChanged(EventArgs.Empty);
 987                                 }
 988                         }
 989                 }
 990
 991                 [Browsable (false)]
 992                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 993                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 994                 [DefaultValue (0)]
 995                 public int RowCount {
 996                         get { return rows.Count; }
 997                         set {
 998                                 if (value < 0) {
 999                                         throw new ArgumentException("RowCount must be >= 0.");
1000                                 }
1001                                 if (value < 1 && AllowUserToAddRows) {
1002                                         throw new ArgumentException("RowCount must be >= 1 if AllowUserToAddRows is true.");
1003                                 }
1004                                 if (dataSource != null) {
1005                                         throw new InvalidOperationException("Cant change row count if DataSource is set.");
1006                                 }
1007                                 if (value < rows.Count) {
1008                                         for (int i = value; i < rows.Count; i++) {
1009                                                 rows.RemoveAt(i);
1010                                         }
1011                                 }
1012                                 else if (value > rows.Count) {
1013                                         // If we need to add rows and don't have any columns,
1014                                         // we create one column
1015                                         if (ColumnCount == 0)
1016                                                 ColumnCount = 1;
1017
1018                                         for (int i = rows.Count; i < value; i++) {
1019                                                 DataGridViewRow row = (DataGridViewRow) RowTemplateFull;
1020                                                 rows.AddInternal (row, false);
1021
1022                                                 foreach (DataGridViewColumn col in columns)
1023                                                         row.Cells.Add (col.CellTemplate.Clone () as DataGridViewCell);
1024                                         }
1025                                 }
1026                         }
1027                 }
1028
1029                 [Browsable (true)]
1030                 [DefaultValue (DataGridViewHeaderBorderStyle.Raised)]
1031                 public DataGridViewHeaderBorderStyle RowHeadersBorderStyle {
1032                         get { return rowHeadersBorderStyle; }
1033                         set {
1034                                 if (rowHeadersBorderStyle != value) {
1035                                         rowHeadersBorderStyle = value;
1036                                         OnRowHeadersBorderStyleChanged(EventArgs.Empty);
1037                                 }
1038                         }
1039                 }
1040
1041                 [AmbientValue (null)]
1042                 public DataGridViewCellStyle RowHeadersDefaultCellStyle {
1043                         get { return rowHeadersDefaultCellStyle; }
1044                         set {
1045                                 if (rowHeadersDefaultCellStyle != value) {
1046                                         rowHeadersDefaultCellStyle = value;
1047                                         OnRowHeadersDefaultCellStyleChanged(EventArgs.Empty);
1048                                 }
1049                         }
1050                 }
1051
1052                 [DefaultValue (true)]
1053                 public bool RowHeadersVisible {
1054                         get { return rowHeadersVisible; }
1055                         set {
1056                                 if (rowHeadersVisible != value) {
1057                                         rowHeadersVisible = value;
1058                                         Invalidate ();
1059                                 }
1060                         }
1061                 }
1062
1063                 [Localizable (true)]
1064                 public int RowHeadersWidth {
1065                         get { return rowHeadersWidth; }
1066                         set {
1067                                 if (rowHeadersWidth != value) {
1068                                         if (value < 4) {
1069                                                 throw new ArgumentOutOfRangeException("RowHeadersWidth",
1070                                                         "Row headers width cant be less than 4.");
1071                                         }
1072                                         if (value > 32768 ) {
1073                                                 throw new ArgumentOutOfRangeException("RowHeadersWidth",
1074                                                         "Row headers width cannot be more than 32768.");
1075                                         }
1076                                         rowHeadersWidth = value;
1077                                         OnRowHeadersWidthChanged(EventArgs.Empty);
1078
1079                                         if (rowHeadersVisible)
1080                                                 Invalidate ();
1081                                 }
1082                         }
1083                 }
1084
1085                 [RefreshProperties (RefreshProperties.All)]
1086                 [DefaultValue (DataGridViewRowHeadersWidthSizeMode.EnableResizing)]
1087                 public DataGridViewRowHeadersWidthSizeMode RowHeadersWidthSizeMode {
1088                         get { return rowHeadersWidthSizeMode; }
1089                         set {
1090                                 if (rowHeadersWidthSizeMode != value) {
1091                                         if (!Enum.IsDefined(typeof(DataGridViewRowHeadersWidthSizeMode), value)) {
1092                                                 throw new InvalidEnumArgumentException("Value is not valid DataGridViewRowHeadersWidthSizeMode.");
1093                                         }
1094                                         rowHeadersWidthSizeMode = value;
1095                                         OnRowHeadersWidthSizeModeChanged(new DataGridViewAutoSizeModeEventArgs(false));
1096                                 }
1097                         }
1098                 }
1099
1100                 [Browsable (false)]
1101                 public DataGridViewRowCollection Rows {
1102                         get { return rows; }
1103                 }
1104
1105                 public DataGridViewCellStyle RowsDefaultCellStyle {
1106                         get { return rowsDefaultCellStyle; }
1107                         set {
1108                                 if (rowsDefaultCellStyle != value) {
1109                                         rowsDefaultCellStyle = value;
1110                                         OnRowsDefaultCellStyleChanged(EventArgs.Empty);
1111                                 }
1112                         }
1113                 }
1114
1115                 // RowTemplate is just the row, it does not contain Cells
1116                 [Browsable (true)]
1117                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
1118                 public DataGridViewRow RowTemplate {
1119                         get {
1120                                 if (rowTemplate == null)
1121                                         rowTemplate = new DataGridViewRow ();
1122
1123                                 return rowTemplate;
1124                         }
1125                         set {
1126                                 rowTemplate = value;
1127                                 rowTemplate.SetDataGridView(this);
1128                         }
1129                 }
1130
1131                 // Take the RowTemplate, clone it, and add Cells
1132                 // Note this is not stored, so you don't need to Clone it
1133                 internal DataGridViewRow RowTemplateFull {
1134                         get {
1135                                 DataGridViewRow row = (DataGridViewRow) RowTemplate.Clone ();
1136
1137                                 for (int i = row.Cells.Count; i < Columns.Count; i++) {
1138                                         DataGridViewCell template = columns [i].CellTemplate;
1139
1140                                         if (template == null)
1141                                                 throw new InvalidOperationException ("At least one of the DataGridView control's columns has no cell template.");
1142
1143                                         row.Cells.Add ((DataGridViewCell) template.Clone ());
1144                                 }
1145
1146                                 return row;
1147                         }
1148                 }
1149
1150                 internal override bool ScaleChildrenInternal {
1151                         get { return false; }
1152                 }
1153
1154                 [DefaultValue (ScrollBars.Both)]
1155                 [Localizable (true)]
1156                 public ScrollBars ScrollBars {
1157                         get { return scrollBars; }
1158                         set {
1159                                 if (!Enum.IsDefined(typeof(ScrollBars), value)) {
1160                                         throw new InvalidEnumArgumentException("Invalid ScrollBars value.");
1161                                 }
1162                                 ////////////////////////////////////////////////////////////
1163                                 /// *** InvalidOperationException ***
1164                                 /// The System.Windows.Forms.DataGridView is unable to
1165                                 /// scroll due to a cell change that cannot be committed
1166                                 /// or canceled.
1167                                 ///////////////////////////////////////////////////////////
1168                                 scrollBars = value;
1169                         }
1170                 }
1171
1172                 [Browsable (false)]
1173                 public DataGridViewSelectedCellCollection SelectedCells {
1174                         get {
1175                                 DataGridViewSelectedCellCollection selectedCells = new DataGridViewSelectedCellCollection();
1176                                 foreach (DataGridViewRow row in rows) {
1177                                         foreach (DataGridViewCell cell in row.Cells) {
1178                                                 if (cell.Selected) {
1179                                                         selectedCells.InternalAdd(cell);
1180                                                 }
1181                                         }
1182                                 }
1183                                 return selectedCells;
1184                         }
1185                 }
1186
1187                 [Browsable (false)]
1188                 public DataGridViewSelectedColumnCollection SelectedColumns {
1189                         get
1190                         {
1191                                 DataGridViewSelectedColumnCollection result = new DataGridViewSelectedColumnCollection ();
1192
1193                                 if (selectionMode != DataGridViewSelectionMode.FullColumnSelect && selectionMode != DataGridViewSelectionMode.ColumnHeaderSelect)
1194                                         return result;
1195
1196                                 result.InternalAddRange (selected_columns);
1197
1198                                 return result;
1199                         }
1200                 }
1201
1202                 [Browsable (false)]
1203                 public DataGridViewSelectedRowCollection SelectedRows {
1204                         get {
1205                                 DataGridViewSelectedRowCollection result = new DataGridViewSelectedRowCollection (this);
1206
1207                                 if (selectionMode != DataGridViewSelectionMode.FullRowSelect && selectionMode != DataGridViewSelectionMode.RowHeaderSelect)
1208                                         return result;
1209
1210                                 result.InternalAddRange (selected_rows);
1211
1212                                 return result;
1213                         }
1214                 }
1215
1216                 [Browsable (true)]
1217                 [DefaultValue (DataGridViewSelectionMode.RowHeaderSelect)]
1218                 public DataGridViewSelectionMode SelectionMode {
1219                         get { return selectionMode; }
1220                         set {
1221                                 if (!Enum.IsDefined (typeof(DataGridViewSelectionMode), value))
1222                                         throw new InvalidEnumArgumentException ("Value is not valid DataGridViewSelectionMode.");
1223
1224                                 if (value == DataGridViewSelectionMode.ColumnHeaderSelect || value == DataGridViewSelectionMode.FullColumnSelect)
1225                                         foreach (DataGridViewColumn col in Columns)
1226                                                 if (col.SortMode == DataGridViewColumnSortMode.Automatic)
1227                                                         throw new InvalidOperationException (string.Format ("Cannot set SelectionMode to {0} because there are Automatic sort columns.", value));
1228
1229                                 selectionMode = value;
1230                         }
1231                 }
1232
1233                 [DefaultValue (true)]
1234                 public bool ShowCellErrors {
1235                         get { return showCellErrors; }
1236                         set { showCellErrors = value; }
1237                 }
1238
1239                 [DefaultValue (true)]
1240                 public bool ShowCellToolTips {
1241                         get { return showCellToolTips; }
1242                         set { showCellToolTips = value; }
1243                 }
1244
1245                 [DefaultValue (true)]
1246                 public bool ShowEditingIcon {
1247                         get { return showEditingIcon; }
1248                         set { showEditingIcon = value; }
1249                 }
1250
1251                 [DefaultValue (true)]
1252                 public bool ShowRowErrors {
1253                         get { return showRowErrors; }
1254                         set { showRowErrors = value; }
1255                 }
1256
1257                 [Browsable (false)]
1258                 public DataGridViewColumn SortedColumn {
1259                         get { return sortedColumn; }
1260                 }
1261
1262                 [Browsable (false)]
1263                 public SortOrder SortOrder {
1264                         get { return sortOrder; }
1265                 }
1266
1267                 [DefaultValue (false)]
1268                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1269                 public bool StandardTab {
1270                         get { return standardTab; }
1271                         set { standardTab = value; }
1272                 }
1273
1274                 [Bindable (false)]
1275                 [Browsable (false)]
1276                 [EditorBrowsable (EditorBrowsableState.Never)]
1277                 public override string Text {
1278                         get { return base.Text; }
1279                         set { base.Text = value; }
1280                 }
1281
1282                 [Browsable (false)]
1283                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
1284                 public DataGridViewHeaderCell TopLeftHeaderCell {
1285                         get {
1286                                 if (topLeftHeaderCell == null) {
1287                                         topLeftHeaderCell = new DataGridViewTopLeftHeaderCell ();
1288                                         topLeftHeaderCell.SetDataGridView (this);
1289                                 }
1290                                 return topLeftHeaderCell;
1291                         }
1292                         set {
1293                                 topLeftHeaderCell = value;
1294                                 topLeftHeaderCell.SetDataGridView (this);
1295                         }
1296                 }
1297
1298                 [Browsable (false)]
1299                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1300                 public Cursor UserSetCursor {
1301                         get { return userSetCursor; }
1302                 }
1303
1304                 [Browsable (false)]
1305                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
1306                 public int VerticalScrollingOffset {
1307                         get { return verticalScrollingOffset; }
1308                 }
1309
1310                 [MonoTODO ("VirtualMode is not supported.")]
1311                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1312                 [DefaultValue (false)]
1313                 public bool VirtualMode {
1314                         get { return virtualMode; }
1315                         set { virtualMode = value; }
1316                 }
1317
1318                 internal Control EditingControlInternal {
1319                         get {
1320                                 return editingControl;
1321                         }
1322                         set {
1323                                 if (value == editingControl)
1324                                         return;
1325
1326                                 if (editingControl != null) {
1327                                         // Can't use Controls.Remove (editingControls), because that method
1328                                         // is overriden to not remove the editing control.
1329                                         DataGridView.DataGridViewControlCollection ctrls = Controls as DataGridView.DataGridViewControlCollection;
1330                                         if (ctrls != null) {
1331                                                 ctrls.RemoveInternal (editingControl);
1332                                         } else {
1333                                                 Controls.Remove (editingControl);
1334                                         }
1335                                 }
1336
1337
1338                                 if (value != null) {
1339                                         value.Visible = false;
1340                                         Controls.Add (value);
1341                                 }
1342
1343                                 editingControl = value;
1344                         }
1345                 }
1346
1347                 static object AllowUserToAddRowsChangedEvent = new object ();
1348                 static object AllowUserToDeleteRowsChangedEvent = new object ();
1349                 static object AllowUserToOrderColumnsChangedEvent = new object ();
1350                 static object AllowUserToResizeColumnsChangedEvent = new object ();
1351                 static object AllowUserToResizeRowsChangedEvent = new object ();
1352                 static object AlternatingRowsDefaultCellStyleChangedEvent = new object ();
1353                 static object AutoGenerateColumnsChangedEvent = new object ();
1354                 static object AutoSizeColumnModeChangedEvent = new object ();
1355                 static object AutoSizeColumnsModeChangedEvent = new object ();
1356                 static object AutoSizeRowsModeChangedEvent = new object ();
1357                 static object BackgroundColorChangedEvent = new object ();
1358                 static object BorderStyleChangedEvent = new object ();
1359                 static object CancelRowEditEvent = new object ();
1360                 static object CellBeginEditEvent = new object ();
1361                 static object CellBorderStyleChangedEvent = new object ();
1362                 static object CellClickEvent = new object ();
1363                 static object CellContentClickEvent = new object ();
1364                 static object CellContentDoubleClickEvent = new object ();
1365                 static object CellContextMenuStripChangedEvent = new object ();
1366                 static object CellContextMenuStripNeededEvent = new object ();
1367                 static object CellDoubleClickEvent = new object ();
1368                 static object CellEndEditEvent = new object ();
1369                 static object CellEnterEvent = new object ();
1370                 static object CellErrorTextChangedEvent = new object ();
1371                 static object CellErrorTextNeededEvent = new object ();
1372                 static object CellFormattingEvent = new object ();
1373                 static object CellLeaveEvent = new object ();
1374                 static object CellMouseClickEvent = new object ();
1375                 static object CellMouseDoubleClickEvent = new object ();
1376                 static object CellMouseDownEvent = new object ();
1377                 static object CellMouseEnterEvent = new object ();
1378                 static object CellMouseLeaveEvent = new object ();
1379                 static object CellMouseMoveEvent = new object ();
1380                 static object CellMouseUpEvent = new object ();
1381                 static object CellPaintingEvent = new object ();
1382                 static object CellParsingEvent = new object ();
1383                 static object CellStateChangedEvent = new object ();
1384                 static object CellStyleChangedEvent = new object ();
1385                 static object CellStyleContentChangedEvent = new object ();
1386                 static object CellToolTipTextChangedEvent = new object ();
1387                 static object CellToolTipTextNeededEvent = new object ();
1388                 static object CellValidatedEvent = new object ();
1389                 static object CellValidatingEvent = new object ();
1390                 static object CellValueChangedEvent = new object ();
1391                 static object CellValueNeededEvent = new object ();
1392                 static object CellValuePushedEvent = new object ();
1393                 static object ColumnAddedEvent = new object ();
1394                 static object ColumnContextMenuStripChangedEvent = new object ();
1395                 static object ColumnDataPropertyNameChangedEvent = new object ();
1396                 static object ColumnDefaultCellStyleChangedEvent = new object ();
1397                 static object ColumnDisplayIndexChangedEvent = new object ();
1398                 static object ColumnDividerDoubleClickEvent = new object ();
1399                 static object ColumnDividerWidthChangedEvent = new object ();
1400                 static object ColumnHeaderCellChangedEvent = new object ();
1401                 static object ColumnHeaderMouseClickEvent = new object ();
1402                 static object ColumnHeaderMouseDoubleClickEvent = new object ();
1403                 static object ColumnHeadersBorderStyleChangedEvent = new object ();
1404                 static object ColumnHeadersDefaultCellStyleChangedEvent = new object ();
1405                 static object ColumnHeadersHeightChangedEvent = new object ();
1406                 static object ColumnHeadersHeightSizeModeChangedEvent = new object ();
1407                 static object ColumnMinimumWidthChangedEvent = new object ();
1408                 static object ColumnNameChangedEvent = new object ();
1409                 static object ColumnRemovedEvent = new object ();
1410                 static object ColumnSortModeChangedEvent = new object ();
1411                 static object ColumnStateChangedEvent = new object ();
1412                 static object ColumnToolTipTextChangedEvent = new object ();
1413                 static object ColumnWidthChangedEvent = new object ();
1414                 static object CurrentCellChangedEvent = new object ();
1415                 static object CurrentCellDirtyStateChangedEvent = new object ();
1416                 static object DataBindingCompleteEvent = new object ();
1417                 static object DataErrorEvent = new object ();
1418                 static object DataMemberChangedEvent = new object ();
1419                 static object DataSourceChangedEvent = new object ();
1420                 static object DefaultCellStyleChangedEvent = new object ();
1421                 static object DefaultValuesNeededEvent = new object ();
1422                 static object EditingControlShowingEvent = new object ();
1423                 static object EditModeChangedEvent = new object ();
1424                 static object GridColorChangedEvent = new object ();
1425                 static object MultiSelectChangedEvent = new object ();
1426                 static object NewRowNeededEvent = new object ();
1427                 static object ReadOnlyChangedEvent = new object ();
1428                 static object RowContextMenuStripChangedEvent = new object ();
1429                 static object RowContextMenuStripNeededEvent = new object ();
1430                 static object RowDefaultCellStyleChangedEvent = new object ();
1431                 static object RowDirtyStateNeededEvent = new object ();
1432                 static object RowDividerDoubleClickEvent = new object ();
1433                 static object RowDividerHeightChangedEvent = new object ();
1434                 static object RowEnterEvent = new object ();
1435                 static object RowErrorTextChangedEvent = new object ();
1436                 static object RowErrorTextNeededEvent = new object ();
1437                 static object RowHeaderCellChangedEvent = new object ();
1438                 static object RowHeaderMouseClickEvent = new object ();
1439                 static object RowHeaderMouseDoubleClickEvent = new object ();
1440                 static object RowHeadersBorderStyleChangedEvent = new object ();
1441                 static object RowHeadersDefaultCellStyleChangedEvent = new object ();
1442                 static object RowHeadersWidthChangedEvent = new object ();
1443                 static object RowHeadersWidthSizeModeChangedEvent = new object ();
1444                 static object RowHeightChangedEvent = new object ();
1445                 static object RowHeightInfoNeededEvent = new object ();
1446                 static object RowHeightInfoPushedEvent = new object ();
1447                 static object RowLeaveEvent = new object ();
1448                 static object RowMinimumHeightChangedEvent = new object ();
1449                 static object RowPostPaintEvent = new object ();
1450                 static object RowPrePaintEvent = new object ();
1451                 static object RowsAddedEvent = new object ();
1452                 static object RowsDefaultCellStyleChangedEvent = new object ();
1453                 static object RowsRemovedEvent = new object ();
1454                 static object RowStateChangedEvent = new object ();
1455                 static object RowUnsharedEvent = new object ();
1456                 static object RowValidatedEvent = new object ();
1457                 static object RowValidatingEvent = new object ();
1458                 static object ScrollEvent = new object ();
1459                 static object SelectionChangedEvent = new object ();
1460                 static object SortCompareEvent = new object ();
1461                 static object SortedEvent = new object ();
1462                 static object UserAddedRowEvent = new object ();
1463                 static object UserDeletedRowEvent = new object ();
1464                 static object UserDeletingRowEvent = new object ();
1465
1466
1467                 //
1468
1469                 public event EventHandler AllowUserToAddRowsChanged {
1470                         add { Events.AddHandler (AllowUserToAddRowsChangedEvent, value); }
1471                         remove { Events.RemoveHandler (AllowUserToAddRowsChangedEvent, value); }
1472                 }
1473
1474                 public event EventHandler AllowUserToDeleteRowsChanged {
1475                         add { Events.AddHandler (AllowUserToDeleteRowsChangedEvent, value); }
1476                         remove { Events.RemoveHandler (AllowUserToDeleteRowsChangedEvent, value); }
1477                 }
1478
1479                 public event EventHandler AllowUserToOrderColumnsChanged {
1480                         add { Events.AddHandler (AllowUserToOrderColumnsChangedEvent, value); }
1481                         remove { Events.RemoveHandler (AllowUserToOrderColumnsChangedEvent, value); }
1482                 }
1483
1484                 public event EventHandler AllowUserToResizeColumnsChanged {
1485                         add { Events.AddHandler (AllowUserToResizeColumnsChangedEvent, value); }
1486                         remove { Events.RemoveHandler (AllowUserToResizeColumnsChangedEvent, value); }
1487                 }
1488
1489                 public event EventHandler AllowUserToResizeRowsChanged {
1490                         add { Events.AddHandler (AllowUserToResizeRowsChangedEvent, value); }
1491                         remove { Events.RemoveHandler (AllowUserToResizeRowsChangedEvent, value); }
1492                 }
1493
1494                 public event EventHandler AlternatingRowsDefaultCellStyleChanged {
1495                         add { Events.AddHandler (AlternatingRowsDefaultCellStyleChangedEvent, value); }
1496                         remove { Events.RemoveHandler (AlternatingRowsDefaultCellStyleChangedEvent, value); }
1497                 }
1498
1499                 [Browsable (false)]
1500                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1501                 public event EventHandler AutoGenerateColumnsChanged {
1502                         add { Events.AddHandler (AutoGenerateColumnsChangedEvent, value); }
1503                         remove { Events.RemoveHandler (AutoGenerateColumnsChangedEvent, value); }
1504                 }
1505
1506                 public event DataGridViewAutoSizeColumnModeEventHandler AutoSizeColumnModeChanged {
1507                         add { Events.AddHandler (AutoSizeColumnModeChangedEvent, value); }
1508                         remove { Events.RemoveHandler (AutoSizeColumnModeChangedEvent, value); }
1509                 }
1510
1511                 public event DataGridViewAutoSizeColumnsModeEventHandler AutoSizeColumnsModeChanged {
1512                         add { Events.AddHandler (AutoSizeColumnsModeChangedEvent, value); }
1513                         remove { Events.RemoveHandler (AutoSizeColumnsModeChangedEvent, value); }
1514                 }
1515
1516                 public event DataGridViewAutoSizeModeEventHandler AutoSizeRowsModeChanged {
1517                         add { Events.AddHandler (AutoSizeRowsModeChangedEvent, value); }
1518                         remove { Events.RemoveHandler (AutoSizeRowsModeChangedEvent, value); }
1519                 }
1520
1521                 [Browsable (false)]
1522                 [EditorBrowsable (EditorBrowsableState.Never)]
1523                 public new event EventHandler BackColorChanged {
1524                         add { base.BackColorChanged += value; }
1525                         remove { base.BackColorChanged -= value; }
1526                 }
1527
1528                 public event EventHandler BackgroundColorChanged {
1529                         add { Events.AddHandler (BackgroundColorChangedEvent, value); }
1530                         remove { Events.RemoveHandler (BackgroundColorChangedEvent, value); }
1531                 }
1532
1533                 [Browsable (false)]
1534                 [EditorBrowsable (EditorBrowsableState.Never)]
1535                 public new event EventHandler BackgroundImageChanged {
1536                         add { base.BackgroundImageChanged += value; }
1537                         remove { base.BackgroundImageChanged -= value; }
1538                 }
1539
1540                 [Browsable (false)]
1541                 [EditorBrowsable (EditorBrowsableState.Never)]
1542                 public new event EventHandler BackgroundImageLayoutChanged  {
1543                         add { base.BackgroundImageLayoutChanged += value; }
1544                         remove { base.BackgroundImageLayoutChanged -= value; }
1545                 }
1546
1547                 public event EventHandler BorderStyleChanged {
1548                         add { Events.AddHandler (BorderStyleChangedEvent, value); }
1549                         remove { Events.RemoveHandler (BorderStyleChangedEvent, value); }
1550                 }
1551
1552                 public event QuestionEventHandler CancelRowEdit {
1553                         add { Events.AddHandler (CancelRowEditEvent, value); }
1554                         remove { Events.RemoveHandler (CancelRowEditEvent, value); }
1555                 }
1556
1557                 public event DataGridViewCellCancelEventHandler CellBeginEdit {
1558                         add { Events.AddHandler (CellBeginEditEvent, value); }
1559                         remove { Events.RemoveHandler (CellBeginEditEvent, value); }
1560                 }
1561
1562                 public event EventHandler CellBorderStyleChanged {
1563                         add { Events.AddHandler (CellBorderStyleChangedEvent, value); }
1564                         remove { Events.RemoveHandler (CellBorderStyleChangedEvent, value); }
1565                 }
1566
1567                 public event DataGridViewCellEventHandler CellClick {
1568                         add { Events.AddHandler (CellClickEvent, value); }
1569                         remove { Events.RemoveHandler (CellClickEvent, value); }
1570                 }
1571
1572                 public event DataGridViewCellEventHandler CellContentClick {
1573                         add { Events.AddHandler (CellContentClickEvent, value); }
1574                         remove { Events.RemoveHandler (CellContentClickEvent, value); }
1575                 }
1576
1577                 public event DataGridViewCellEventHandler CellContentDoubleClick {
1578                         add { Events.AddHandler (CellContentDoubleClickEvent, value); }
1579                         remove { Events.RemoveHandler (CellContentDoubleClickEvent, value); }
1580                 }
1581
1582                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1583                 public event DataGridViewCellEventHandler CellContextMenuStripChanged {
1584                         add { Events.AddHandler (CellContextMenuStripChangedEvent, value); }
1585                         remove { Events.RemoveHandler (CellContextMenuStripChangedEvent, value); }
1586                 }
1587
1588                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1589                 public event DataGridViewCellContextMenuStripNeededEventHandler CellContextMenuStripNeeded {
1590                         add { Events.AddHandler (CellContextMenuStripNeededEvent, value); }
1591                         remove { Events.RemoveHandler (CellContextMenuStripNeededEvent, value); }
1592                 }
1593
1594                 public event DataGridViewCellEventHandler CellDoubleClick {
1595                         add { Events.AddHandler (CellDoubleClickEvent, value); }
1596                         remove { Events.RemoveHandler (CellDoubleClickEvent, value); }
1597                 }
1598
1599                 public event DataGridViewCellEventHandler CellEndEdit {
1600                         add { Events.AddHandler (CellEndEditEvent, value); }
1601                         remove { Events.RemoveHandler (CellEndEditEvent, value); }
1602                 }
1603
1604                 public event DataGridViewCellEventHandler CellEnter {
1605                         add { Events.AddHandler (CellEnterEvent, value); }
1606                         remove { Events.RemoveHandler (CellEnterEvent, value); }
1607                 }
1608
1609                 public event DataGridViewCellEventHandler CellErrorTextChanged {
1610                         add { Events.AddHandler (CellErrorTextChangedEvent, value); }
1611                         remove { Events.RemoveHandler (CellErrorTextChangedEvent, value); }
1612                 }
1613
1614                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1615                 public event DataGridViewCellErrorTextNeededEventHandler CellErrorTextNeeded {
1616                         add { Events.AddHandler (CellErrorTextNeededEvent, value); }
1617                         remove { Events.RemoveHandler (CellErrorTextNeededEvent, value); }
1618                 }
1619
1620                 public event DataGridViewCellFormattingEventHandler CellFormatting {
1621                         add { Events.AddHandler (CellFormattingEvent, value); }
1622                         remove { Events.RemoveHandler (CellFormattingEvent, value); }
1623                 }
1624
1625                 public event DataGridViewCellEventHandler CellLeave {
1626                         add { Events.AddHandler (CellLeaveEvent, value); }
1627                         remove { Events.RemoveHandler (CellLeaveEvent, value); }
1628                 }
1629
1630                 public event DataGridViewCellMouseEventHandler CellMouseClick {
1631                         add { Events.AddHandler (CellMouseClickEvent, value); }
1632                         remove { Events.RemoveHandler (CellMouseClickEvent, value); }
1633                 }
1634
1635                 public event DataGridViewCellMouseEventHandler CellMouseDoubleClick {
1636                         add { Events.AddHandler (CellMouseDoubleClickEvent, value); }
1637                         remove { Events.RemoveHandler (CellMouseDoubleClickEvent, value); }
1638                 }
1639
1640                 public event DataGridViewCellMouseEventHandler CellMouseDown {
1641                         add { Events.AddHandler (CellMouseDownEvent, value); }
1642                         remove { Events.RemoveHandler (CellMouseDownEvent, value); }
1643                 }
1644
1645                 public event DataGridViewCellEventHandler CellMouseEnter {
1646                         add { Events.AddHandler (CellMouseEnterEvent, value); }
1647                         remove { Events.RemoveHandler (CellMouseEnterEvent, value); }
1648                 }
1649
1650                 public event DataGridViewCellEventHandler CellMouseLeave {
1651                         add { Events.AddHandler (CellMouseLeaveEvent, value); }
1652                         remove { Events.RemoveHandler (CellMouseLeaveEvent, value); }
1653                 }
1654
1655                 public event DataGridViewCellMouseEventHandler CellMouseMove {
1656                         add { Events.AddHandler (CellMouseMoveEvent, value); }
1657                         remove { Events.RemoveHandler (CellMouseMoveEvent, value); }
1658                 }
1659
1660                 public event DataGridViewCellMouseEventHandler CellMouseUp {
1661                         add { Events.AddHandler (CellMouseUpEvent, value); }
1662                         remove { Events.RemoveHandler (CellMouseUpEvent, value); }
1663                 }
1664
1665                 public event DataGridViewCellPaintingEventHandler CellPainting {
1666                         add { Events.AddHandler (CellPaintingEvent, value); }
1667                         remove { Events.RemoveHandler (CellPaintingEvent, value); }
1668                 }
1669
1670                 public event DataGridViewCellParsingEventHandler CellParsing {
1671                         add { Events.AddHandler (CellParsingEvent, value); }
1672                         remove { Events.RemoveHandler (CellParsingEvent, value); }
1673                 }
1674
1675                 public event DataGridViewCellStateChangedEventHandler CellStateChanged {
1676                         add { Events.AddHandler (CellStateChangedEvent, value); }
1677                         remove { Events.RemoveHandler (CellStateChangedEvent, value); }
1678                 }
1679
1680                 public event DataGridViewCellEventHandler CellStyleChanged {
1681                         add { Events.AddHandler (CellStyleChangedEvent, value); }
1682                         remove { Events.RemoveHandler (CellStyleChangedEvent, value); }
1683                 }
1684
1685                 public event DataGridViewCellStyleContentChangedEventHandler CellStyleContentChanged {
1686                         add { Events.AddHandler (CellStyleContentChangedEvent, value); }
1687                         remove { Events.RemoveHandler (CellStyleContentChangedEvent, value); }
1688                 }
1689
1690                 public event DataGridViewCellEventHandler CellToolTipTextChanged {
1691                         add { Events.AddHandler (CellToolTipTextChangedEvent, value); }
1692                         remove { Events.RemoveHandler (CellToolTipTextChangedEvent, value); }
1693                 }
1694
1695                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1696                 public event DataGridViewCellToolTipTextNeededEventHandler CellToolTipTextNeeded {
1697                         add { Events.AddHandler (CellToolTipTextNeededEvent, value); }
1698                         remove { Events.RemoveHandler (CellToolTipTextNeededEvent, value); }
1699                 }
1700
1701                 public event DataGridViewCellEventHandler CellValidated {
1702                         add { Events.AddHandler (CellValidatedEvent, value); }
1703                         remove { Events.RemoveHandler (CellValidatedEvent, value); }
1704                 }
1705
1706                 public event DataGridViewCellValidatingEventHandler CellValidating {
1707                         add { Events.AddHandler (CellValidatingEvent, value); }
1708                         remove { Events.RemoveHandler (CellValidatingEvent, value); }
1709                 }
1710
1711                 public event DataGridViewCellEventHandler CellValueChanged {
1712                         add { Events.AddHandler (CellValueChangedEvent, value); }
1713                         remove { Events.RemoveHandler (CellValueChangedEvent, value); }
1714                 }
1715
1716                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1717                 public event DataGridViewCellValueEventHandler CellValueNeeded {
1718                         add { Events.AddHandler (CellValueNeededEvent, value); }
1719                         remove { Events.RemoveHandler (CellValueNeededEvent, value); }
1720                 }
1721
1722                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1723                 public event DataGridViewCellValueEventHandler CellValuePushed {
1724                         add { Events.AddHandler (CellValuePushedEvent, value); }
1725                         remove { Events.RemoveHandler (CellValuePushedEvent, value); }
1726                 }
1727
1728                 public event DataGridViewColumnEventHandler ColumnAdded {
1729                         add { Events.AddHandler (ColumnAddedEvent, value); }
1730                         remove { Events.RemoveHandler (ColumnAddedEvent, value); }
1731                 }
1732
1733                 public event DataGridViewColumnEventHandler ColumnContextMenuStripChanged {
1734                         add { Events.AddHandler (ColumnContextMenuStripChangedEvent, value); }
1735                         remove { Events.RemoveHandler (ColumnContextMenuStripChangedEvent, value); }
1736                 }
1737
1738                 public event DataGridViewColumnEventHandler ColumnDataPropertyNameChanged {
1739                         add { Events.AddHandler (ColumnDataPropertyNameChangedEvent, value); }
1740                         remove { Events.RemoveHandler (ColumnDataPropertyNameChangedEvent, value); }
1741                 }
1742
1743                 public event DataGridViewColumnEventHandler ColumnDefaultCellStyleChanged {
1744                         add { Events.AddHandler (ColumnDefaultCellStyleChangedEvent, value); }
1745                         remove { Events.RemoveHandler (ColumnDefaultCellStyleChangedEvent, value); }
1746                 }
1747
1748                 public event DataGridViewColumnEventHandler ColumnDisplayIndexChanged {
1749                         add { Events.AddHandler (ColumnDisplayIndexChangedEvent, value); }
1750                         remove { Events.RemoveHandler (ColumnDisplayIndexChangedEvent, value); }
1751                 }
1752
1753                 public event DataGridViewColumnDividerDoubleClickEventHandler ColumnDividerDoubleClick {
1754                         add { Events.AddHandler (ColumnDividerDoubleClickEvent, value); }
1755                         remove { Events.RemoveHandler (ColumnDividerDoubleClickEvent, value); }
1756                 }
1757
1758                 public event DataGridViewColumnEventHandler ColumnDividerWidthChanged {
1759                         add { Events.AddHandler (ColumnDividerWidthChangedEvent, value); }
1760                         remove { Events.RemoveHandler (ColumnDividerWidthChangedEvent, value); }
1761                 }
1762
1763                 public event DataGridViewColumnEventHandler ColumnHeaderCellChanged {
1764                         add { Events.AddHandler (ColumnHeaderCellChangedEvent, value); }
1765                         remove { Events.RemoveHandler (ColumnHeaderCellChangedEvent, value); }
1766                 }
1767
1768                 public event DataGridViewCellMouseEventHandler ColumnHeaderMouseClick {
1769                         add { Events.AddHandler (ColumnHeaderMouseClickEvent, value); }
1770                         remove { Events.RemoveHandler (ColumnHeaderMouseClickEvent, value); }
1771                 }
1772
1773                 public event DataGridViewCellMouseEventHandler ColumnHeaderMouseDoubleClick {
1774                         add { Events.AddHandler (ColumnHeaderMouseDoubleClickEvent, value); }
1775                         remove { Events.RemoveHandler (ColumnHeaderMouseDoubleClickEvent, value); }
1776                 }
1777
1778                 public event EventHandler ColumnHeadersBorderStyleChanged {
1779                         add { Events.AddHandler (ColumnHeadersBorderStyleChangedEvent, value); }
1780                         remove { Events.RemoveHandler (ColumnHeadersBorderStyleChangedEvent, value); }
1781                 }
1782
1783                 public event EventHandler ColumnHeadersDefaultCellStyleChanged {
1784                         add { Events.AddHandler (ColumnHeadersDefaultCellStyleChangedEvent, value); }
1785                         remove { Events.RemoveHandler (ColumnHeadersDefaultCellStyleChangedEvent, value); }
1786                 }
1787
1788                 public event EventHandler ColumnHeadersHeightChanged {
1789                         add { Events.AddHandler (ColumnHeadersHeightChangedEvent, value); }
1790                         remove { Events.RemoveHandler (ColumnHeadersHeightChangedEvent, value); }
1791                 }
1792
1793                 public event DataGridViewAutoSizeModeEventHandler ColumnHeadersHeightSizeModeChanged {
1794                         add { Events.AddHandler (ColumnHeadersHeightSizeModeChangedEvent, value); }
1795                         remove { Events.RemoveHandler (ColumnHeadersHeightSizeModeChangedEvent, value); }
1796                 }
1797
1798                 public event DataGridViewColumnEventHandler ColumnMinimumWidthChanged {
1799                         add { Events.AddHandler (ColumnMinimumWidthChangedEvent, value); }
1800                         remove { Events.RemoveHandler (ColumnMinimumWidthChangedEvent, value); }
1801                 }
1802
1803                 public event DataGridViewColumnEventHandler ColumnNameChanged {
1804                         add { Events.AddHandler (ColumnNameChangedEvent, value); }
1805                         remove { Events.RemoveHandler (ColumnNameChangedEvent, value); }
1806                 }
1807
1808                 public event DataGridViewColumnEventHandler ColumnRemoved {
1809                         add { Events.AddHandler (ColumnRemovedEvent, value); }
1810                         remove { Events.RemoveHandler (ColumnRemovedEvent, value); }
1811                 }
1812
1813                 public event DataGridViewColumnEventHandler ColumnSortModeChanged {
1814                         add { Events.AddHandler (ColumnSortModeChangedEvent, value); }
1815                         remove { Events.RemoveHandler (ColumnSortModeChangedEvent, value); }
1816                 }
1817
1818                 public event DataGridViewColumnStateChangedEventHandler ColumnStateChanged {
1819                         add { Events.AddHandler (ColumnStateChangedEvent, value); }
1820                         remove { Events.RemoveHandler (ColumnStateChangedEvent, value); }
1821                 }
1822
1823                 public event DataGridViewColumnEventHandler ColumnToolTipTextChanged {
1824                         add { Events.AddHandler (ColumnToolTipTextChangedEvent, value); }
1825                         remove { Events.RemoveHandler (ColumnToolTipTextChangedEvent, value); }
1826                 }
1827
1828                 public event DataGridViewColumnEventHandler ColumnWidthChanged {
1829                         add { Events.AddHandler (ColumnWidthChangedEvent, value); }
1830                         remove { Events.RemoveHandler (ColumnWidthChangedEvent, value); }
1831                 }
1832
1833                 public event EventHandler CurrentCellChanged {
1834                         add { Events.AddHandler (CurrentCellChangedEvent, value); }
1835                         remove { Events.RemoveHandler (CurrentCellChangedEvent, value); }
1836                 }
1837
1838                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1839                 public event EventHandler CurrentCellDirtyStateChanged {
1840                         add { Events.AddHandler (CurrentCellDirtyStateChangedEvent, value); }
1841                         remove { Events.RemoveHandler (CurrentCellDirtyStateChangedEvent, value); }
1842                 }
1843
1844                 public event DataGridViewBindingCompleteEventHandler DataBindingComplete {
1845                         add { Events.AddHandler (DataBindingCompleteEvent, value); }
1846                         remove { Events.RemoveHandler (DataBindingCompleteEvent, value); }
1847                 }
1848
1849                 public event DataGridViewDataErrorEventHandler DataError {
1850                         add { Events.AddHandler (DataErrorEvent, value); }
1851                         remove { Events.RemoveHandler (DataErrorEvent, value); }
1852                 }
1853
1854                 public event EventHandler DataMemberChanged {
1855                         add { Events.AddHandler (DataMemberChangedEvent, value); }
1856                         remove { Events.RemoveHandler (DataMemberChangedEvent, value); }
1857                 }
1858
1859                 public event EventHandler DataSourceChanged {
1860                         add { Events.AddHandler (DataSourceChangedEvent, value); }
1861                         remove { Events.RemoveHandler (DataSourceChangedEvent, value); }
1862                 }
1863
1864                 public event EventHandler DefaultCellStyleChanged {
1865                         add { Events.AddHandler (DefaultCellStyleChangedEvent, value); }
1866                         remove { Events.RemoveHandler (DefaultCellStyleChangedEvent, value); }
1867                 }
1868
1869                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1870                 public event DataGridViewRowEventHandler DefaultValuesNeeded {
1871                         add { Events.AddHandler (DefaultValuesNeededEvent, value); }
1872                         remove { Events.RemoveHandler (DefaultValuesNeededEvent, value); }
1873                 }
1874
1875                 public event DataGridViewEditingControlShowingEventHandler EditingControlShowing {
1876                         add { Events.AddHandler (EditingControlShowingEvent, value); }
1877                         remove { Events.RemoveHandler (EditingControlShowingEvent, value); }
1878                 }
1879
1880                 public event EventHandler EditModeChanged {
1881                         add { Events.AddHandler (EditModeChangedEvent, value); }
1882                         remove { Events.RemoveHandler (EditModeChangedEvent, value); }
1883                 }
1884
1885                 [Browsable (false)]
1886                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1887                 public new event EventHandler FontChanged {
1888                         add { base.FontChanged += value; }
1889                         remove { base.FontChanged -= value; }
1890                 }
1891
1892                 [Browsable (false)]
1893                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1894                 public new event EventHandler ForeColorChanged {
1895                         add { base.ForeColorChanged += value; }
1896                         remove { base.ForeColorChanged -= value; }
1897                 }
1898
1899                 [Browsable (false)]
1900                 [EditorBrowsable (EditorBrowsableState.Never)]
1901                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
1902                 public new event EventHandler PaddingChanged {
1903                         add { base.PaddingChanged += value; }
1904                         remove { base.PaddingChanged -= value; }
1905                 }
1906
1907                 public event EventHandler GridColorChanged {
1908                         add { Events.AddHandler (GridColorChangedEvent, value); }
1909                         remove { Events.RemoveHandler (GridColorChangedEvent, value); }
1910                 }
1911
1912                 public event EventHandler MultiSelectChanged {
1913                         add { Events.AddHandler (MultiSelectChangedEvent, value); }
1914                         remove { Events.RemoveHandler (MultiSelectChangedEvent, value); }
1915                 }
1916
1917                 public event DataGridViewRowEventHandler NewRowNeeded {
1918                         add { Events.AddHandler (NewRowNeededEvent, value); }
1919                         remove { Events.RemoveHandler (NewRowNeededEvent, value); }
1920                 }
1921
1922                 public event EventHandler ReadOnlyChanged {
1923                         add { Events.AddHandler (ReadOnlyChangedEvent, value); }
1924                         remove { Events.RemoveHandler (ReadOnlyChangedEvent, value); }
1925                 }
1926
1927                 public event DataGridViewRowEventHandler RowContextMenuStripChanged {
1928                         add { Events.AddHandler (RowContextMenuStripChangedEvent, value); }
1929                         remove { Events.RemoveHandler (RowContextMenuStripChangedEvent, value); }
1930                 }
1931
1932                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1933                 public event DataGridViewRowContextMenuStripNeededEventHandler RowContextMenuStripNeeded {
1934                         add { Events.AddHandler (RowContextMenuStripNeededEvent, value); }
1935                         remove { Events.RemoveHandler (RowContextMenuStripNeededEvent, value); }
1936                 }
1937
1938                 public event DataGridViewRowEventHandler RowDefaultCellStyleChanged {
1939                         add { Events.AddHandler (RowDefaultCellStyleChangedEvent, value); }
1940                         remove { Events.RemoveHandler (RowDefaultCellStyleChangedEvent, value); }
1941                 }
1942
1943                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1944                 public event QuestionEventHandler RowDirtyStateNeeded {
1945                         add { Events.AddHandler (RowDirtyStateNeededEvent, value); }
1946                         remove { Events.RemoveHandler (RowDirtyStateNeededEvent, value); }
1947                 }
1948
1949                 public event DataGridViewRowDividerDoubleClickEventHandler RowDividerDoubleClick {
1950                         add { Events.AddHandler (RowDividerDoubleClickEvent, value); }
1951                         remove { Events.RemoveHandler (RowDividerDoubleClickEvent, value); }
1952                 }
1953
1954                 public event DataGridViewRowEventHandler RowDividerHeightChanged {
1955                         add { Events.AddHandler (RowDividerHeightChangedEvent, value); }
1956                         remove { Events.RemoveHandler (RowDividerHeightChangedEvent, value); }
1957                 }
1958
1959                 public event DataGridViewCellEventHandler RowEnter {
1960                         add { Events.AddHandler (RowEnterEvent, value); }
1961                         remove { Events.RemoveHandler (RowEnterEvent, value); }
1962                 }
1963
1964                 public event DataGridViewRowEventHandler RowErrorTextChanged {
1965                         add { Events.AddHandler (RowErrorTextChangedEvent, value); }
1966                         remove { Events.RemoveHandler (RowErrorTextChangedEvent, value); }
1967                 }
1968
1969                 [EditorBrowsable (EditorBrowsableState.Advanced)]
1970                 public event DataGridViewRowErrorTextNeededEventHandler RowErrorTextNeeded {
1971                         add { Events.AddHandler (RowErrorTextNeededEvent, value); }
1972                         remove { Events.RemoveHandler (RowErrorTextNeededEvent, value); }
1973                 }
1974
1975                 public event DataGridViewRowEventHandler RowHeaderCellChanged {
1976                         add { Events.AddHandler (RowHeaderCellChangedEvent, value); }
1977                         remove { Events.RemoveHandler (RowHeaderCellChangedEvent, value); }
1978                 }
1979
1980                 public event DataGridViewCellMouseEventHandler RowHeaderMouseClick {
1981                         add { Events.AddHandler (RowHeaderMouseClickEvent, value); }
1982                         remove { Events.RemoveHandler (RowHeaderMouseClickEvent, value); }
1983                 }
1984
1985                 public event DataGridViewCellMouseEventHandler RowHeaderMouseDoubleClick {
1986                         add { Events.AddHandler (RowHeaderMouseDoubleClickEvent, value); }
1987                         remove { Events.RemoveHandler (RowHeaderMouseDoubleClickEvent, value); }
1988                 }
1989
1990                 public event EventHandler RowHeadersBorderStyleChanged {
1991                         add { Events.AddHandler (RowHeadersBorderStyleChangedEvent, value); }
1992                         remove { Events.RemoveHandler (RowHeadersBorderStyleChangedEvent, value); }
1993                 }
1994
1995                 public event EventHandler RowHeadersDefaultCellStyleChanged {
1996                         add { Events.AddHandler (RowHeadersDefaultCellStyleChangedEvent, value); }
1997                         remove { Events.RemoveHandler (RowHeadersDefaultCellStyleChangedEvent, value); }
1998                 }
1999
2000                 public event EventHandler RowHeadersWidthChanged {
2001                         add { Events.AddHandler (RowHeadersWidthChangedEvent, value); }
2002                         remove { Events.RemoveHandler (RowHeadersWidthChangedEvent, value); }
2003                 }
2004
2005                 public event DataGridViewAutoSizeModeEventHandler RowHeadersWidthSizeModeChanged {
2006                         add { Events.AddHandler (RowHeadersWidthSizeModeChangedEvent, value); }
2007                         remove { Events.RemoveHandler (RowHeadersWidthSizeModeChangedEvent, value); }
2008                 }
2009
2010                 public event DataGridViewRowEventHandler RowHeightChanged {
2011                         add { Events.AddHandler (RowHeightChangedEvent, value); }
2012                         remove { Events.RemoveHandler (RowHeightChangedEvent, value); }
2013                 }
2014
2015                 [EditorBrowsable (EditorBrowsableState.Advanced)]
2016                 public event DataGridViewRowHeightInfoNeededEventHandler RowHeightInfoNeeded {
2017                         add { Events.AddHandler (RowHeightInfoNeededEvent, value); }
2018                         remove { Events.RemoveHandler (RowHeightInfoNeededEvent, value); }
2019                 }
2020
2021                 [EditorBrowsable (EditorBrowsableState.Advanced)]
2022                 public event DataGridViewRowHeightInfoPushedEventHandler RowHeightInfoPushed {
2023                         add { Events.AddHandler (RowHeightInfoPushedEvent, value); }
2024                         remove { Events.RemoveHandler (RowHeightInfoPushedEvent, value); }
2025                 }
2026
2027                 public event DataGridViewCellEventHandler RowLeave {
2028                         add { Events.AddHandler (RowLeaveEvent, value); }
2029                         remove { Events.RemoveHandler (RowLeaveEvent, value); }
2030                 }
2031
2032                 public event DataGridViewRowEventHandler RowMinimumHeightChanged {
2033                         add { Events.AddHandler (RowMinimumHeightChangedEvent, value); }
2034                         remove { Events.RemoveHandler (RowMinimumHeightChangedEvent, value); }
2035                 }
2036
2037                 public event DataGridViewRowPostPaintEventHandler RowPostPaint {
2038                         add { Events.AddHandler (RowPostPaintEvent, value); }
2039                         remove { Events.RemoveHandler (RowPostPaintEvent, value); }
2040                 }
2041
2042                 public event DataGridViewRowPrePaintEventHandler RowPrePaint {
2043                         add { Events.AddHandler (RowPrePaintEvent, value); }
2044                         remove { Events.RemoveHandler (RowPrePaintEvent, value); }
2045                 }
2046
2047                 public event DataGridViewRowsAddedEventHandler RowsAdded {
2048                         add { Events.AddHandler (RowsAddedEvent, value); }
2049                         remove { Events.RemoveHandler (RowsAddedEvent, value); }
2050                 }
2051
2052                 public event EventHandler RowsDefaultCellStyleChanged {
2053                         add { Events.AddHandler (RowsDefaultCellStyleChangedEvent, value); }
2054                         remove { Events.RemoveHandler (RowsDefaultCellStyleChangedEvent, value); }
2055                 }
2056
2057                 public event DataGridViewRowsRemovedEventHandler RowsRemoved {
2058                         add { Events.AddHandler (RowsRemovedEvent, value); }
2059                         remove { Events.RemoveHandler (RowsRemovedEvent, value); }
2060                 }
2061
2062                 public event DataGridViewRowStateChangedEventHandler RowStateChanged {
2063                         add { Events.AddHandler (RowStateChangedEvent, value); }
2064                         remove { Events.RemoveHandler (RowStateChangedEvent, value); }
2065                 }
2066
2067                 [EditorBrowsable (EditorBrowsableState.Advanced)]
2068                 public event DataGridViewRowEventHandler RowUnshared {
2069                         add { Events.AddHandler (RowUnsharedEvent, value); }
2070                         remove { Events.RemoveHandler (RowUnsharedEvent, value); }
2071                 }
2072
2073                 public event DataGridViewCellEventHandler RowValidated {
2074                         add { Events.AddHandler (RowValidatedEvent, value); }
2075                         remove { Events.RemoveHandler (RowValidatedEvent, value); }
2076                 }
2077
2078                 public event DataGridViewCellCancelEventHandler RowValidating {
2079                         add { Events.AddHandler (RowValidatingEvent, value); }
2080                         remove { Events.RemoveHandler (RowValidatingEvent, value); }
2081                 }
2082
2083                 public event ScrollEventHandler Scroll {
2084                         add { Events.AddHandler (ScrollEvent, value); }
2085                         remove { Events.RemoveHandler (ScrollEvent, value); }
2086                 }
2087
2088                 public event EventHandler SelectionChanged {
2089                         add { Events.AddHandler (SelectionChangedEvent, value); }
2090                         remove { Events.RemoveHandler (SelectionChangedEvent, value); }
2091                 }
2092
2093                 [EditorBrowsable (EditorBrowsableState.Advanced)]
2094                 public event DataGridViewSortCompareEventHandler SortCompare {
2095                         add { Events.AddHandler (SortCompareEvent, value); }
2096                         remove { Events.RemoveHandler (SortCompareEvent, value); }
2097                 }
2098
2099                 public event EventHandler Sorted {
2100                         add { Events.AddHandler (SortedEvent, value); }
2101                         remove { Events.RemoveHandler (SortedEvent, value); }
2102                 }
2103
2104                 public event DataGridViewRowEventHandler UserAddedRow {
2105                         add { Events.AddHandler (UserAddedRowEvent, value); }
2106                         remove { Events.RemoveHandler (UserAddedRowEvent, value); }
2107                 }
2108
2109                 public event DataGridViewRowEventHandler UserDeletedRow {
2110                         add { Events.AddHandler (UserDeletedRowEvent, value); }
2111                         remove { Events.RemoveHandler (UserDeletedRowEvent, value); }
2112                 }
2113
2114                 public event DataGridViewRowCancelEventHandler UserDeletingRow {
2115                         add { Events.AddHandler (UserDeletingRowEvent, value); }
2116                         remove { Events.RemoveHandler (UserDeletingRowEvent, value); }
2117                 }
2118
2119                 [Browsable (false)]
2120                 [EditorBrowsable (EditorBrowsableState.Never)]
2121                 public new event EventHandler StyleChanged {
2122                         add { base.StyleChanged += value; }
2123                         remove { base.StyleChanged -= value; }
2124                 }
2125
2126                 [Browsable (false)]
2127                 [EditorBrowsable (EditorBrowsableState.Never)]
2128                 public new event EventHandler TextChanged {
2129                         add { base.TextChanged += value; }
2130                         remove { base.TextChanged -= value; }
2131                 }
2132
2133                 [EditorBrowsable (EditorBrowsableState.Advanced)]
2134                 public virtual DataGridViewAdvancedBorderStyle AdjustColumnHeaderBorderStyle (DataGridViewAdvancedBorderStyle dataGridViewAdvancedBorderStyleInput, DataGridViewAdvancedBorderStyle dataGridViewAdvancedBorderStylePlaceholder, bool isFirstDisplayedColumn, bool isLastVisibleColumn) {
2135                         return (DataGridViewAdvancedBorderStyle) ((ICloneable)dataGridViewAdvancedBorderStyleInput).Clone();
2136                 }
2137
2138                 public bool AreAllCellsSelected (bool includeInvisibleCells) {
2139                         foreach (DataGridViewRow row in rows) {
2140                                 foreach (DataGridViewCell cell in row.Cells) {
2141                                         if (includeInvisibleCells == false && cell.Visible == false) {
2142                                                 continue;
2143                                         }
2144                                         if (!cell.Selected) {
2145                                                 return false;
2146                                         }
2147                                 }
2148                         }
2149                         return true;
2150                 }
2151
2152                 public void AutoResizeColumn (int columnIndex) {
2153                         AutoResizeColumn (columnIndex, DataGridViewAutoSizeColumnMode.AllCells);
2154                 }
2155
2156                 public void AutoResizeColumn (int columnIndex, DataGridViewAutoSizeColumnMode autoSizeColumnMode)
2157                 {
2158                         AutoResizeColumnInternal (columnIndex, autoSizeColumnMode);
2159                 }
2160
2161                 public void AutoResizeColumnHeadersHeight ()
2162                 {
2163                         int new_height = 0;
2164
2165                         foreach (DataGridViewColumn col in Columns)
2166                                 new_height = Math.Max (new_height, col.HeaderCell.PreferredSize.Height);
2167
2168                         if (ColumnHeadersHeight != new_height)
2169                                 ColumnHeadersHeight = new_height;
2170                 }
2171
2172                 [MonoTODO ("columnIndex parameter is not used")]
2173                 public void AutoResizeColumnHeadersHeight (int columnIndex)
2174                 {
2175                         AutoResizeColumnHeadersHeight ();
2176                 }
2177
2178                 public void AutoResizeColumns () {
2179                         AutoResizeColumns (DataGridViewAutoSizeColumnsMode.AllCells);
2180                 }
2181
2182                 public void AutoResizeColumns (DataGridViewAutoSizeColumnsMode autoSizeColumnsMode) {
2183                         AutoResizeColumns (autoSizeColumnsMode, true);
2184                 }
2185
2186                 public void AutoResizeRow (int rowIndex)
2187                 {
2188                         AutoResizeRow (rowIndex, DataGridViewAutoSizeRowMode.AllCells, true);
2189                 }
2190
2191                 public void AutoResizeRow (int rowIndex, DataGridViewAutoSizeRowMode autoSizeRowMode)
2192                 {
2193                         AutoResizeRow (rowIndex, autoSizeRowMode, true);
2194                 }
2195
2196                 public void AutoResizeRowHeadersWidth (DataGridViewRowHeadersWidthSizeMode rowHeadersWidthSizeMode)
2197                 {
2198                         if (rowHeadersWidthSizeMode == DataGridViewRowHeadersWidthSizeMode.AutoSizeToFirstHeader) {
2199                                 RowHeadersWidth = GetRowInternal (0).HeaderCell.PreferredSize.Width;
2200                                 return;
2201                         }
2202
2203                         int new_width = 0;
2204
2205                         if (rowHeadersWidthSizeMode == DataGridViewRowHeadersWidthSizeMode.AutoSizeToDisplayedHeaders) {
2206                                 foreach (DataGridViewRow row in Rows)
2207                                         if (row.Displayed)
2208                                                 new_width = Math.Max (new_width, row.HeaderCell.PreferredSize.Width);
2209
2210                                 if (RowHeadersWidth != new_width)
2211                                         RowHeadersWidth = new_width;
2212
2213                                 return;
2214                         }
2215
2216                         if (rowHeadersWidthSizeMode == DataGridViewRowHeadersWidthSizeMode.AutoSizeToAllHeaders) {
2217                                 foreach (DataGridViewRow row in Rows)
2218                                         new_width = Math.Max (new_width, row.HeaderCell.PreferredSize.Width);
2219
2220                                 if (RowHeadersWidth != new_width)
2221                                         RowHeadersWidth = new_width;
2222
2223                                 return;
2224                         }
2225                 }
2226
2227                 [MonoTODO ("Does not use rowIndex parameter.")]
2228                 public void AutoResizeRowHeadersWidth (int rowIndex, DataGridViewRowHeadersWidthSizeMode rowHeadersWidthSizeMode)
2229                 {
2230                         AutoResizeRowHeadersWidth (rowHeadersWidthSizeMode);
2231                 }
2232
2233                 public void AutoResizeRows ()
2234                 {
2235                         AutoResizeRows (0, Rows.Count, DataGridViewAutoSizeRowMode.AllCells, false);
2236                 }
2237
2238                 public void AutoResizeRows (DataGridViewAutoSizeRowsMode autoSizeRowsMode)
2239                 {
2240                         if (!Enum.IsDefined(typeof(DataGridViewAutoSizeRowsMode), autoSizeRowsMode))
2241                                 throw new InvalidEnumArgumentException ("Parameter autoSizeRowsMode is not a valid DataGridViewRowsMode.");
2242                         if ((autoSizeRowsMode == DataGridViewAutoSizeRowsMode.AllHeaders || autoSizeRowsMode == DataGridViewAutoSizeRowsMode.DisplayedHeaders) && rowHeadersVisible == false)
2243                                 throw new InvalidOperationException ("Parameter autoSizeRowsMode cannot be AllHeaders or DisplayedHeaders in this DataGridView.");
2244                         if (autoSizeRowsMode == DataGridViewAutoSizeRowsMode.None)
2245                                 throw new ArgumentException ("Parameter autoSizeRowsMode cannot be None.");
2246
2247                         AutoResizeRows (autoSizeRowsMode, false);
2248                 }
2249
2250                 public virtual bool BeginEdit (bool selectAll) {
2251                         if (currentCell == null || currentCell.IsInEditMode)
2252                                 return false;
2253
2254                         if (currentCell.RowIndex >= 0) {
2255                                 if ((currentCell.InheritedState & DataGridViewElementStates.ReadOnly) == DataGridViewElementStates.ReadOnly) {
2256                                         return false;
2257                                 }
2258                         }
2259
2260                         DataGridViewCell cell = currentCell;
2261                         Type editType = cell.EditType;
2262
2263                         if (editType == null && !(cell is IDataGridViewEditingCell))
2264                                 return false;
2265
2266                         // Give user a chance to cancel the edit
2267                         DataGridViewCellCancelEventArgs e = new DataGridViewCellCancelEventArgs (cell.ColumnIndex, cell.RowIndex);
2268                         OnCellBeginEdit (e);
2269
2270                         if (e.Cancel)
2271                                 return false;
2272
2273                         cell.SetIsInEditMode (true);
2274
2275                         // The cell has an editing control we need to setup
2276                         if (editType != null) {
2277                                 Control ctrl = EditingControlInternal;
2278
2279                                 // Check if we can reuse the one we already have
2280                                 bool isCorrectType = ctrl != null && ctrl.GetType () == editType;
2281
2282                                 if (!isCorrectType)
2283                                         ctrl = null;
2284
2285                                 // We couldn't use the existing one, create a new one
2286                                 if (ctrl == null) {
2287                                         ctrl = (Control) Activator.CreateInstance (editType);
2288                                         EditingControlInternal = ctrl;
2289                                 }
2290
2291                                 // Call some functions that allows the editing control to get setup
2292                                 DataGridViewCellStyle style = cell.RowIndex == -1 ? DefaultCellStyle : cell.InheritedStyle;
2293
2294                                 cell.InitializeEditingControl (cell.RowIndex, cell.FormattedValue, style);
2295                                 cell.PositionEditingControl (true, true, this.GetCellDisplayRectangle (cell.ColumnIndex, cell.RowIndex, false), bounds, style, false, false, (columns [cell.ColumnIndex].DisplayIndex == 0), (cell.RowIndex == 0));
2296
2297                                 // Show the editing control
2298                                 EditingControlInternal.Visible = true;
2299
2300                                 IDataGridViewEditingControl dgvEditingControl = (IDataGridViewEditingControl) EditingControlInternal;
2301                                 if (dgvEditingControl != null) {
2302                                         dgvEditingControl.EditingControlDataGridView = this;
2303                                         dgvEditingControl.EditingControlRowIndex = currentCell.OwningRow.Index;
2304                                         dgvEditingControl.ApplyCellStyleToEditingControl (style);
2305                                         dgvEditingControl.PrepareEditingControlForEdit (selectAll);
2306                                         dgvEditingControl.EditingControlFormattedValue = currentCell.EditedFormattedValue;
2307                                 }
2308                                 return true;
2309                         }
2310
2311                         // If we are here, it means we have a cell that does not have an editing control
2312                         // and simply implements IDataGridViewEditingCell itself.
2313                         (cell as IDataGridViewEditingCell).PrepareEditingCellForEdit (selectAll);
2314
2315                         return true;
2316                 }
2317
2318                 public bool CancelEdit ()
2319                 {
2320                         if (currentCell != null) {
2321                                 if (currentCell.IsInEditMode) {
2322                                         currentCell.SetIsInEditMode (false);
2323                                         currentCell.DetachEditingControl ();
2324                                 }
2325
2326                                 if (currentCell.RowIndex == NewRowIndex) {
2327                                         if (DataManager != null)
2328                                                 DataManager.CancelCurrentEdit ();
2329
2330                                         new_row_editing = false;
2331                                         PrepareEditingRow (false, false);
2332                                         MoveCurrentCell (currentCell.ColumnIndex, NewRowIndex, true, false, false, true);
2333                                         OnUserDeletedRow (new DataGridViewRowEventArgs (EditingRow));
2334                                 }
2335                         }
2336
2337                         return true;
2338                 }
2339
2340                 public void ClearSelection ()
2341                 {
2342                         foreach (DataGridViewColumn col in SelectedColumns)
2343                                 col.Selected = false;
2344                         foreach (DataGridViewRow row in SelectedRows)
2345                                 row.Selected = false;
2346                         foreach (DataGridViewCell cell in SelectedCells)
2347                                 cell.Selected = false;
2348                 }
2349
2350                 public bool CommitEdit (DataGridViewDataErrorContexts context)
2351                 {
2352                         if (currentCell == null)
2353                                 return true;
2354
2355                         try {
2356                                 currentCell.Value = currentCell.ParseFormattedValue (currentCell.EditedFormattedValue,
2357                                                                                      currentCell.InheritedStyle, null, null);
2358                         } catch (Exception e) {
2359                                 DataGridViewDataErrorEventArgs args = new DataGridViewDataErrorEventArgs (e, currentCell.ColumnIndex, currentCell.RowIndex,
2360                                                                                                           DataGridViewDataErrorContexts.Commit);
2361                                 OnDataError (false, args);
2362                                 if (args.ThrowException)
2363                                         throw e;
2364                                 return false;
2365                         }
2366                         return true;
2367                 }
2368
2369                 [MonoTODO ("Always includes partial columns")]
2370                 public int DisplayedColumnCount (bool includePartialColumns)
2371                 {
2372                         int result = 0;
2373
2374                         for (int i = first_col_index; i < Columns.Count; i++)
2375                                 if (Columns.ColumnDisplayIndexSortedArrayList[i].Displayed)
2376                                         result++;
2377                                 else
2378                                         break;
2379
2380                         return result;
2381                 }
2382
2383                 public int DisplayedRowCount (bool includePartialRow)
2384                 {
2385                         int result = 0;
2386                         int rowTop = 0;
2387
2388                         if (ColumnHeadersVisible)
2389                                 rowTop += ColumnHeadersHeight;
2390
2391                         for (int index = first_row_index; index < Rows.Count; index++) {
2392                                 DataGridViewRow row = GetRowInternal (index);
2393                                 if (rowTop + row.Height <= ClientSize.Height) {
2394                                         result++;
2395                                         rowTop += row.Height;
2396                                 } else {
2397                                         if (includePartialRow)
2398                                                 result++;
2399                                         break;
2400                                 }
2401                         }
2402
2403                         return result;
2404                 }
2405
2406                 public bool EndEdit ()
2407                 {
2408                         return EndEdit (DataGridViewDataErrorContexts.Commit);
2409                 }
2410
2411                 [MonoTODO ("Does not use context parameter")]
2412                 public bool EndEdit (DataGridViewDataErrorContexts context)
2413                 {
2414                         if (currentCell == null || !currentCell.IsInEditMode)
2415                                 return true;
2416
2417                         if (!CommitEdit (context)) {
2418                                 if (DataManager != null)
2419                                         DataManager.EndCurrentEdit ();
2420                                 if (EditingControl != null)
2421                                         EditingControl.Focus ();
2422                                 return false;
2423                         }
2424
2425                         currentCell.SetIsInEditMode (false);
2426                         currentCell.DetachEditingControl ();
2427                         OnCellEndEdit (new DataGridViewCellEventArgs (currentCell.ColumnIndex, currentCell.RowIndex));
2428                         Focus ();
2429                         if (currentCell.RowIndex == NewRowIndex) {
2430                                 new_row_editing = false;
2431                                 editing_row = null; // editing row becomes a real row
2432                                 PrepareEditingRow (true, false); // add a new editing row
2433                                 MoveCurrentCell (currentCell.ColumnIndex, NewRowIndex, true, false, false, true);
2434                         }
2435                         return true;
2436                 }
2437
2438                 public int GetCellCount (DataGridViewElementStates includeFilter) {
2439                         int result = 0;
2440                         foreach (DataGridViewRow row in rows) {
2441                                 foreach (DataGridViewCell cell in row.Cells) {
2442                                         if ((cell.State & includeFilter) != 0) {
2443                                                 result++;
2444                                         }
2445                                 }
2446                         }
2447                         return result;
2448                 }
2449
2450                 internal DataGridViewRow GetRowInternal (int rowIndex)
2451                 {
2452                         return Rows.SharedRow (rowIndex);
2453                 }
2454
2455                 internal DataGridViewCell GetCellInternal (int colIndex, int rowIndex)
2456                 {
2457                         return GetRowInternal (rowIndex).Cells.GetCellInternal (colIndex);
2458                 }
2459
2460                 public Rectangle GetCellDisplayRectangle (int columnIndex, int rowIndex, bool cutOverflow) {
2461                         if (columnIndex < 0 || columnIndex >= columns.Count) {
2462                                 throw new ArgumentOutOfRangeException("Column index is out of range.");
2463                         }
2464
2465                         int x = 0, y = 0, w = 0, h = 0;
2466
2467                         x = BorderWidth;
2468                         y = BorderWidth;
2469
2470                         if (ColumnHeadersVisible)
2471                                 y += ColumnHeadersHeight;
2472
2473                         if (RowHeadersVisible)
2474                                 x += RowHeadersWidth;
2475
2476                         List<DataGridViewColumn> cols = columns.ColumnDisplayIndexSortedArrayList;
2477
2478                         for (int i = first_col_index; i < cols.Count; i++) {
2479                                 if (!cols[i].Visible)
2480                                         continue;
2481
2482                                 if (cols[i].Index == columnIndex) {
2483                                         w = cols[i].Width;
2484                                         break;
2485                                 }
2486
2487                                 x += cols[i].Width;
2488                         }
2489
2490                         for (int i = first_row_index; i < Rows.Count; i++) {
2491                                 if (i == rowIndex) {
2492                                         h = rows [i].Height;
2493                                         break;
2494                                 }
2495
2496                                 y += rows [i].Height;
2497                         }
2498
2499                         return new Rectangle (x, y, w, h);
2500                 }
2501
2502                 public virtual DataObject GetClipboardContent () {
2503
2504                         if (clipboardCopyMode == DataGridViewClipboardCopyMode.Disable)
2505                                 throw new InvalidOperationException ("Generating Clipboard content is not supported when the ClipboardCopyMode property is Disable.");
2506
2507                         int start_row = int.MaxValue, end_row = int.MinValue;
2508                         int start_col = int.MaxValue, end_col = int.MinValue;
2509
2510                         bool include_row_headers = false;
2511                         bool include_col_headers = false;
2512                         bool only_included_headers = false;
2513                         bool headers_includable = false;
2514
2515                         switch (ClipboardCopyMode) {
2516                         case DataGridViewClipboardCopyMode.EnableWithoutHeaderText:
2517                                 break;
2518                         case DataGridViewClipboardCopyMode.EnableWithAutoHeaderText:
2519                                 // Headers are included if not selection mode is CellSelect, and any header is selected.
2520                                 headers_includable = selectionMode != DataGridViewSelectionMode.CellSelect;
2521                                 break;
2522                         case DataGridViewClipboardCopyMode.EnableAlwaysIncludeHeaderText:
2523                                 include_col_headers = include_row_headers = true;
2524                                 break;
2525                         }
2526
2527                         BitArray included_rows = new BitArray (RowCount);
2528                         BitArray included_cols = new BitArray (ColumnCount);
2529
2530                         // If there are any selected columns,
2531                         // include the column headers (if headers are to be shown).
2532                         if (headers_includable && !include_col_headers) {
2533                                 for (int c = 0; c < ColumnCount; c++) {
2534                                         if (Columns [c].Selected) {
2535                                                 include_col_headers = true;
2536                                                 break;
2537                                         }
2538                                 }
2539                         }
2540
2541                         // Find the smallest rectangle that encompasses all selected cells.
2542                         for (int r = 0; r < RowCount; r++) {
2543                                 DataGridViewRow row = Rows [r];
2544
2545                                 if (headers_includable && !include_row_headers && row.Selected) {
2546                                         include_row_headers = true;
2547                                 }
2548
2549                                 for (int c = 0; c < ColumnCount; c++) {
2550                                         DataGridViewCell cell = row.Cells [c];
2551
2552                                         if (cell == null || !cell.Selected)
2553                                                 continue;
2554
2555                                         included_cols [c] = true;
2556                                         included_rows [r] = true;
2557
2558                                         start_row = Math.Min (start_row, r);
2559                                         start_col = Math.Min (start_col, c);
2560                                         end_row = Math.Max (end_row, r);
2561                                         end_col = Math.Max (end_col, c);
2562                                 }
2563                         }
2564
2565                         // Mark rows/columns in between selected cells as included if the selection mode isn't FullHeaderSelect.
2566                         switch (selectionMode){
2567                         case DataGridViewSelectionMode.CellSelect:
2568                         case DataGridViewSelectionMode.ColumnHeaderSelect:
2569                         case DataGridViewSelectionMode.RowHeaderSelect:
2570                                 if (selectionMode != DataGridViewSelectionMode.ColumnHeaderSelect) {
2571                                         for (int r = start_row; r <= end_row; r++) {
2572                                                 included_rows.Set (r, true);
2573                                         }
2574                                 } else if (start_row <= end_row) {
2575                                         included_rows.SetAll (true);
2576                                 }
2577                                 if (selectionMode != DataGridViewSelectionMode.RowHeaderSelect) {
2578                                         for (int c = start_col; c <= end_col; c++) {
2579                                                 included_cols.Set (c, true);
2580                                         }
2581                                 }
2582                                 break;
2583                         case DataGridViewSelectionMode.FullColumnSelect:
2584                         case DataGridViewSelectionMode.FullRowSelect:
2585                                 only_included_headers = true;
2586                                 break;
2587                         }
2588
2589                         if (start_row > end_row)
2590                                 return null;
2591
2592                         if (start_col > end_col)
2593                                 return null;
2594
2595                         DataObject result = new DataObject ();
2596
2597                         System.Text.StringBuilder text_builder = new System.Text.StringBuilder ();
2598                         System.Text.StringBuilder utext_builder = new System.Text.StringBuilder ();
2599                         System.Text.StringBuilder html_builder = new System.Text.StringBuilder ();
2600                         System.Text.StringBuilder csv_builder = new System.Text.StringBuilder ();
2601
2602                         // Loop through all rows and columns to create the content.
2603                         // -1 is the header row/column.
2604                         int first_row = start_row;
2605                         int first_col = start_col;
2606                         if (include_col_headers) {
2607                                 first_row = -1;
2608                         }
2609                         for (int r = first_row; r <= end_row; r++) {
2610                                 DataGridViewRow row = null;
2611
2612                                 if (r >= 0) {
2613                                         if (!included_rows [r])
2614                                                 continue;
2615
2616                                         row = Rows [r];
2617                                 }
2618
2619                                 if (include_row_headers) {
2620                                         first_col = -1;
2621                                 }
2622
2623                                 for (int c = first_col; c <= end_col; c++) {
2624                                         DataGridViewCell cell = null;
2625
2626                                         if (c >= 0 && only_included_headers && !included_cols [c])
2627                                                 continue;
2628
2629                                         if (row == null) {
2630                                                 if (c == -1) {
2631                                                         cell = TopLeftHeaderCell;
2632                                                 } else {
2633                                                         cell = Columns [c].HeaderCell;
2634                                                 }
2635                                         } else {
2636                                                 if (c == -1) {
2637                                                         cell = row.HeaderCell;
2638                                                 } else {
2639                                                         cell = row.Cells [c];
2640                                                 }
2641                                         }
2642
2643                                         string text, utext, html, csv;
2644                                         bool is_first_cell = (c == first_col);
2645                                         bool is_last_cell = (c == end_col);
2646                                         bool is_first_row = (r == first_row);
2647                                         bool is_last_row = (r == end_row);
2648
2649                                         if (cell == null) {
2650                                                 text = string.Empty;
2651                                                 utext = string.Empty;
2652                                                 html = string.Empty;
2653                                                 csv = string.Empty;
2654                                         } else {
2655                                                 text = cell.GetClipboardContentInternal (r, is_first_cell, is_last_cell, is_first_row, is_last_row, DataFormats.Text) as string;
2656                                                 utext = cell.GetClipboardContentInternal (r, is_first_cell, is_last_cell, is_first_row, is_last_row, DataFormats.UnicodeText) as string;
2657                                                 html = cell.GetClipboardContentInternal (r, is_first_cell, is_last_cell, is_first_row, is_last_row, DataFormats.Html) as string;
2658                                                 csv = cell.GetClipboardContentInternal (r, is_first_cell, is_last_cell, is_first_row, is_last_row, DataFormats.CommaSeparatedValue) as string;
2659                                         }
2660
2661                                         text_builder.Append (text);
2662                                         utext_builder.Append (utext);
2663                                         html_builder.Append (html);
2664                                         csv_builder.Append (csv);
2665
2666                                         if (c == -1) { // If we just did the row header, jump to the first column.
2667                                                 c = start_col - 1;
2668                                         }
2669                                 }
2670
2671                                 if (r == -1) {// If we just did the column header, jump to the first row.
2672                                         r = start_row - 1;
2673                                 }
2674                         }
2675
2676                         //
2677                         // Html content always get the \r\n newline
2678                         // It's valid html anyway, and it eases testing quite a bit
2679                         // (since otherwise we'd have to change the start indices
2680                         // in the added prologue/epilogue text)
2681                         //
2682                         int fragment_end = 135 + html_builder.Length;
2683                         int html_end = fragment_end + 36;
2684                         string html_start =
2685                         "Version:1.0{0}" +
2686                         "StartHTML:00000097{0}" +
2687                         "EndHTML:{1:00000000}{0}" +
2688                         "StartFragment:00000133{0}" +
2689                         "EndFragment:{2:00000000}{0}" +
2690                         "<HTML>{0}" +
2691                         "<BODY>{0}" +
2692                         "<!--StartFragment-->";
2693
2694                         html_start = string.Format (html_start, "\r\n", html_end, fragment_end);
2695                         html_builder.Insert (0, html_start);
2696                         html_builder.AppendFormat ("{0}<!--EndFragment-->{0}</BODY>{0}</HTML>", "\r\n");
2697
2698                         result.SetData (DataFormats.CommaSeparatedValue, false, csv_builder.ToString ());
2699                         result.SetData (DataFormats.Html, false, html_builder.ToString ());
2700                         result.SetData (DataFormats.UnicodeText, false, utext_builder.ToString ());
2701                         result.SetData (DataFormats.Text, false, text_builder.ToString ());
2702
2703                         return result;
2704                 }
2705
2706                 [MonoTODO ("Does not use cutOverflow parameter")]
2707                 public Rectangle GetColumnDisplayRectangle (int columnIndex, bool cutOverflow)
2708                 {
2709                         if (columnIndex < 0 || columnIndex > Columns.Count - 1)
2710                                 throw new ArgumentOutOfRangeException ("columnIndex");
2711
2712                         int x = 0;
2713                         int w = 0;
2714
2715                         x = BorderWidth;
2716
2717                         if (RowHeadersVisible)
2718                                 x += RowHeadersWidth;
2719
2720                         List<DataGridViewColumn> cols = columns.ColumnDisplayIndexSortedArrayList;
2721
2722                         for (int i = first_col_index; i < cols.Count; i++) {
2723                                 if (!cols[i].Visible)
2724                                         continue;
2725
2726                                 if (cols[i].Index == columnIndex) {
2727                                         w = cols[i].Width;
2728                                         break;
2729                                 }
2730
2731                                 x += cols[i].Width;
2732                         }
2733
2734                         return new Rectangle (x, 0, w, Height);
2735                 }
2736
2737                 [MonoTODO ("Does not use cutOverflow parameter")]
2738                 public Rectangle GetRowDisplayRectangle (int rowIndex, bool cutOverflow)
2739                 {
2740                         if (rowIndex < 0 || rowIndex > Rows.Count - 1)
2741                                 throw new ArgumentOutOfRangeException ("rowIndex");
2742
2743                         int y = 0;
2744                         int h = 0;
2745
2746                         y = BorderWidth;
2747
2748                         if (ColumnHeadersVisible)
2749                                 y += ColumnHeadersHeight;
2750
2751                         for (int i = first_row_index; i < Rows.Count; i++) {
2752                                 if (i == rowIndex) {
2753                                         h = rows[i].Height;
2754                                         break;
2755                                 }
2756
2757                                 y += rows[i].Height;
2758                         }
2759
2760                         return new Rectangle (0, y, Width, h);
2761                 }
2762
2763                 public HitTestInfo HitTest (int x, int y) {
2764                         ///////////////////////////////////////////////////////
2765                         //Console.WriteLine ("HitTest ({0}, {1})", x, y);
2766                         bool isInColHeader = columnHeadersVisible && y >= 0 && y <= ColumnHeadersHeight;
2767                         bool isInRowHeader = rowHeadersVisible && x >= 0 && x <= RowHeadersWidth;
2768
2769                         // TopLeftHeader
2770                         if (isInColHeader && isInRowHeader)
2771                                 return new HitTestInfo (-1, x, -1, y, DataGridViewHitTestType.TopLeftHeader);
2772
2773                         // HorizontalScrollBar
2774                         if (horizontalScrollBar.Visible && horizontalScrollBar.Bounds.Contains (x, y))
2775                                 return new HitTestInfo (-1, x, -1, y, DataGridViewHitTestType.HorizontalScrollBar);
2776
2777                         // VerticalScrollBar
2778                         if (verticalScrollBar.Visible && verticalScrollBar.Bounds.Contains (x, y))
2779                                 return new HitTestInfo (-1, x, -1, y, DataGridViewHitTestType.VerticalScrollBar);
2780
2781                         // The little box in the bottom right if both scrollbars are shown is None
2782                         if (verticalScrollBar.Visible && horizontalScrollBar.Visible)
2783                                 if (new Rectangle (verticalScrollBar.Left, horizontalScrollBar.Top, verticalScrollBar.Width, horizontalScrollBar.Height).Contains (x, y))
2784                                         return new HitTestInfo (-1, x, -1, y, DataGridViewHitTestType.None);
2785
2786                         int rowindex = -1;
2787                         int colindex = -1;
2788
2789                         int top = columnHeadersVisible ? columnHeadersHeight : 0;
2790
2791                         for (int i = first_row_index; i < Rows.Count; i++) {
2792                                 DataGridViewRow row = Rows[i];
2793
2794                                 if (y > top && y <= (top + row.Height)) {
2795                                         rowindex = i;
2796                                         break;
2797                                 }
2798
2799                                 top += row.Height;
2800                         }
2801
2802                         int left = rowHeadersVisible ? RowHeadersWidth : 0;
2803
2804                         List<DataGridViewColumn> cols = columns.ColumnDisplayIndexSortedArrayList;
2805
2806                         for (int i = first_col_index; i < cols.Count; i++) {
2807                                 if (!cols[i].Visible)
2808                                         continue;
2809
2810                                 if (x > left && x <= (left + cols[i].Width)) {
2811                                         colindex = cols[i].Index;
2812                                         break;
2813                                 }
2814
2815                                 left += cols[i].Width;
2816                         }
2817
2818                         if (colindex >= 0 && rowindex >= 0)
2819                                 return new HitTestInfo (colindex, x, rowindex, y, DataGridViewHitTestType.Cell);
2820
2821                         if (isInColHeader && colindex > -1)
2822                                 return new HitTestInfo (colindex, x, rowindex, y, DataGridViewHitTestType.ColumnHeader);
2823
2824                         if (isInRowHeader && rowindex > -1)
2825                                 return new HitTestInfo (colindex, x, rowindex, y, DataGridViewHitTestType.RowHeader);
2826
2827                         return new HitTestInfo (-1, x, -1, y, DataGridViewHitTestType.None);
2828                 }
2829
2830                 [MonoTODO ("Invalidates whole grid")]
2831                 public void InvalidateCell (DataGridViewCell dataGridViewCell)
2832                 {
2833                         if (dataGridViewCell == null)
2834                                 throw new ArgumentNullException ("Cell is null");
2835
2836                         if (dataGridViewCell.DataGridView != this)
2837                                 throw new ArgumentException ("The specified cell does not belong to this DataGridView.");
2838
2839                         InvalidateCell (dataGridViewCell.ColumnIndex, dataGridViewCell.RowIndex);
2840                 }
2841
2842                 [MonoTODO ("Invalidates whole grid")]
2843                 public void InvalidateCell (int columnIndex, int rowIndex)
2844                 {
2845                         if (columnIndex < 0 || columnIndex >= columns.Count)
2846                                 throw new ArgumentOutOfRangeException ("Column index is out of range.");
2847
2848                         if (rowIndex < 0 || rowIndex >= rows.Count)
2849                                 throw new ArgumentOutOfRangeException ("Row index is out of range.");
2850
2851                         Invalidate (GetCellDisplayRectangle (columnIndex, rowIndex, true));
2852                 }
2853
2854                 [MonoTODO ("Invalidates whole grid")]
2855                 public void InvalidateColumn (int columnIndex)
2856                 {
2857                         if (columnIndex < 0 || columnIndex >= columns.Count)
2858                                 throw new ArgumentOutOfRangeException ("Column index is out of range.");
2859
2860                         Invalidate (GetColumnDisplayRectangle (columnIndex, true));
2861                 }
2862
2863                 [MonoTODO ("Invalidates whole grid")]
2864                 public void InvalidateRow (int rowIndex)
2865                 {
2866                         if (rowIndex < 0 || rowIndex >= rows.Count)
2867                                 throw new ArgumentOutOfRangeException ("Row index is out of range.");
2868
2869                         Invalidate (GetRowDisplayRectangle (rowIndex, true));
2870                 }
2871
2872                 public virtual void NotifyCurrentCellDirty (bool dirty) {
2873                         if (currentCell != null)
2874                                 InvalidateCell (currentCell);
2875                 }
2876
2877                 public bool RefreshEdit ()
2878                 {
2879                         if (IsCurrentCellInEditMode) {
2880                                 currentCell.InitializeEditingControl (currentCell.RowIndex, currentCell.FormattedValue, currentCell.InheritedStyle);
2881                                 return true;
2882                         }
2883
2884                         return false;
2885                 }
2886
2887                 [EditorBrowsable (EditorBrowsableState.Never)]
2888                 public override void ResetText ()
2889                 {
2890                         Text = string.Empty;
2891                 }
2892
2893                 public void SelectAll () {
2894                         switch (selectionMode) {
2895                                 case DataGridViewSelectionMode.FullRowSelect:
2896                                         foreach (DataGridViewRow row in rows) {
2897                                                 (row as DataGridViewBand).Selected = true;
2898                                         }
2899                                         break;
2900                                 case DataGridViewSelectionMode.FullColumnSelect:
2901                                         foreach (DataGridViewColumn col in columns) {
2902                                                 (col as DataGridViewBand).Selected = true;
2903                                         }
2904                                         break;
2905                                 default:
2906                                         foreach (DataGridViewRow row in rows) {
2907                                                 foreach (DataGridViewCell cell in row.Cells) {
2908                                                         cell.Selected = true;
2909                                                 }
2910                                         }
2911                                         break;
2912                         }
2913
2914                         Invalidate ();
2915                 }
2916
2917                 public virtual void Sort (IComparer comparer)
2918                 {
2919                         if (comparer == null)
2920                                 throw new ArgumentNullException ("comparer");
2921                         if (VirtualMode || DataSource != null)
2922                                 throw new InvalidOperationException ();
2923
2924                         if (SortedColumn != null)
2925                                 SortedColumn.HeaderCell.SortGlyphDirection = SortOrder.None;
2926
2927                         EndEdit ();
2928
2929                         Rows.Sort (comparer);
2930
2931                         sortedColumn = null;
2932                         sortOrder = SortOrder.None;
2933
2934                         currentCell = null;
2935
2936                         Invalidate ();
2937
2938                         OnSorted (EventArgs.Empty);
2939                 }
2940
2941                 public virtual void Sort (DataGridViewColumn dataGridViewColumn, ListSortDirection direction)
2942                 {
2943                         if (dataGridViewColumn == null)
2944                                 throw new ArgumentNullException ("dataGridViewColumn");
2945                         if (dataGridViewColumn.DataGridView != this)
2946                                 throw new ArgumentException ("dataGridViewColumn");
2947
2948                         if (!EndEdit ())
2949                                 return;
2950
2951                         if (SortedColumn != null)
2952                                 SortedColumn.HeaderCell.SortGlyphDirection = SortOrder.None;
2953
2954                         sortedColumn = dataGridViewColumn;
2955                         sortOrder = direction == ListSortDirection.Ascending ? SortOrder.Ascending : SortOrder.Descending;
2956
2957                         if (Rows.Count == 0)
2958                                 return;
2959
2960                         if (dataGridViewColumn.IsDataBound) {
2961                                 IBindingList bindingList = DataManager.List as IBindingList;
2962                                 if (bindingList != null && bindingList.SupportsSorting) {
2963                                         bindingList.ApplySort (DataManager.GetItemProperties()[dataGridViewColumn.DataPropertyName], direction);
2964                                         dataGridViewColumn.HeaderCell.SortGlyphDirection = sortOrder;
2965                                 }
2966                         } else {
2967                                 // Figure out if this is a numeric sort or text sort
2968                                 bool is_numeric = true;
2969                                 double n;
2970
2971                                 foreach (DataGridViewRow row in Rows) {
2972                                         object val = row.Cells[dataGridViewColumn.Index].Value;
2973
2974                                         if (val != null && !double.TryParse (val.ToString (), out n)) {
2975                                                 is_numeric = false;
2976                                                 break;
2977                                         }
2978                                 }
2979
2980                                 ColumnSorter sorter = new ColumnSorter (dataGridViewColumn, direction, is_numeric);
2981                                 Rows.Sort (sorter);
2982                                 dataGridViewColumn.HeaderCell.SortGlyphDirection = sortOrder;
2983                         }
2984
2985                         Invalidate ();
2986                         OnSorted (EventArgs.Empty);
2987                 }
2988
2989                 public void UpdateCellErrorText (int columnIndex, int rowIndex)
2990                 {
2991                         if (columnIndex < 0 || columnIndex > Columns.Count - 1)
2992                                 throw new ArgumentOutOfRangeException ("columnIndex");
2993                         if (rowIndex < 0 || rowIndex > Rows.Count - 1)
2994                                 throw new ArgumentOutOfRangeException ("rowIndex");
2995
2996                         InvalidateCell (columnIndex, rowIndex);
2997                 }
2998
2999                 public void UpdateCellValue (int columnIndex, int rowIndex)
3000                 {
3001                         if (columnIndex < 0 || columnIndex > Columns.Count - 1)
3002                                 throw new ArgumentOutOfRangeException ("columnIndex");
3003                         if (rowIndex < 0 || rowIndex > Rows.Count - 1)
3004                                 throw new ArgumentOutOfRangeException ("rowIndex");
3005
3006                         InvalidateCell (columnIndex, rowIndex);
3007                 }
3008
3009                 public void UpdateRowErrorText (int rowIndex)
3010                 {
3011                         if (rowIndex < 0 || rowIndex > Rows.Count - 1)
3012                                 throw new ArgumentOutOfRangeException ("rowIndex");
3013
3014                         InvalidateRow (rowIndex);
3015                 }
3016
3017                 public void UpdateRowErrorText (int rowIndexStart, int rowIndexEnd)
3018                 {
3019                         if (rowIndexStart < 0 || rowIndexStart > Rows.Count - 1)
3020                                 throw new ArgumentOutOfRangeException ("rowIndexStart");
3021                         if (rowIndexEnd < 0 || rowIndexEnd > Rows.Count - 1)
3022                                 throw new ArgumentOutOfRangeException ("rowIndexEnd");
3023                         if (rowIndexEnd < rowIndexStart)
3024                                 throw new ArgumentOutOfRangeException ("rowIndexEnd", "rowIndexEnd must be greater than rowIndexStart");
3025
3026                         for (int i = rowIndexStart; i <= rowIndexEnd; i++)
3027                                 InvalidateRow (i);
3028                 }
3029
3030                 public void UpdateRowHeightInfo (int rowIndex, bool updateToEnd) {
3031                         throw new NotImplementedException();
3032                 }
3033
3034                 protected override bool CanEnableIme {
3035                         get {
3036                                 if (CurrentCell != null && CurrentCell.EditType != null)
3037                                         return true;
3038
3039                                 return false;
3040                         }
3041                 }
3042
3043                 protected override Size DefaultSize {
3044                         get { return new Size (240, 150); }
3045                 }
3046
3047                 protected ScrollBar HorizontalScrollBar {
3048                         get { return horizontalScrollBar; }
3049                 }
3050
3051                 protected ScrollBar VerticalScrollBar {
3052                         get { return verticalScrollBar; }
3053                 }
3054
3055                 protected virtual void AccessibilityNotifyCurrentCellChanged (Point cellAddress)
3056                 {
3057                         throw new NotImplementedException ();
3058                 }
3059
3060                 [MonoTODO ("Does not use fixedHeight parameter")]
3061                 protected void AutoResizeColumn (int columnIndex, DataGridViewAutoSizeColumnMode autoSizeColumnMode, bool fixedHeight)
3062                 {
3063                         AutoResizeColumn (columnIndex, autoSizeColumnMode);
3064                 }
3065
3066                 [MonoTODO ("Does not use fixedRowHeadersWidth or fixedColumnsWidth parameters")]
3067                 protected void AutoResizeColumnHeadersHeight (bool fixedRowHeadersWidth, bool fixedColumnsWidth)
3068                 {
3069                         AutoResizeColumnHeadersHeight ();
3070                 }
3071
3072                 [MonoTODO ("Does not use columnIndex or fixedRowHeadersWidth or fixedColumnsWidth parameters")]
3073                 protected void AutoResizeColumnHeadersHeight (int columnIndex, bool fixedRowHeadersWidth, bool fixedColumnWidth)
3074                 {
3075                         AutoResizeColumnHeadersHeight (columnIndex);
3076                 }
3077
3078                 protected void AutoResizeColumns (DataGridViewAutoSizeColumnsMode autoSizeColumnsMode, bool fixedHeight) {
3079                         for (int i = 0; i < Columns.Count; i++) {
3080                                 AutoResizeColumn (i, (DataGridViewAutoSizeColumnMode) autoSizeColumnsMode, fixedHeight);
3081                         }
3082                 }
3083
3084                 [MonoTODO ("Does not use fixedWidth parameter")]
3085                 protected void AutoResizeRow (int rowIndex, DataGridViewAutoSizeRowMode autoSizeRowMode, bool fixedWidth)
3086                 {
3087                         if (autoSizeRowMode == DataGridViewAutoSizeRowMode.RowHeader && !rowHeadersVisible)
3088                                 throw new InvalidOperationException ("row headers are not visible");
3089                         if (rowIndex < 0 || rowIndex > Rows.Count - 1)
3090                                 throw new ArgumentOutOfRangeException ("rowIndex");
3091
3092                         DataGridViewRow row = GetRowInternal (rowIndex);
3093
3094                         int new_height = row.GetPreferredHeight (rowIndex, autoSizeRowMode, true);
3095
3096                         if (row.Height != new_height)
3097                                 row.SetAutoSizeHeight (new_height);
3098                 }
3099
3100                 [MonoTODO ("Does not use fixedColumnHeadersHeight or fixedRowsHeight parameter")]
3101                 protected void AutoResizeRowHeadersWidth (DataGridViewRowHeadersWidthSizeMode rowHeadersWidthSizeMode, bool fixedColumnHeadersHeight, bool fixedRowsHeight)
3102                 {
3103                         AutoResizeRowHeadersWidth (rowHeadersWidthSizeMode);
3104                 }
3105
3106                 [MonoTODO ("Does not use rowIndex or fixedColumnHeadersHeight or fixedRowsHeight parameter")]
3107                 protected void AutoResizeRowHeadersWidth (int rowIndex, DataGridViewRowHeadersWidthSizeMode rowHeadersWidthSizeMode, bool fixedColumnHeadersHeight, bool fixedRowHeight)
3108                 {
3109                         AutoResizeRowHeadersWidth (rowHeadersWidthSizeMode);
3110                 }
3111
3112                 [MonoTODO ("Does not use fixedWidth parameter")]
3113                 protected void AutoResizeRows (DataGridViewAutoSizeRowsMode autoSizeRowsMode, bool fixedWidth)
3114                 {
3115                         if (autoSizeRowsMode == DataGridViewAutoSizeRowsMode.None)
3116                                 return;
3117
3118                         bool displayed_only = false;
3119                         DataGridViewAutoSizeRowMode mode = DataGridViewAutoSizeRowMode.AllCells;
3120
3121                         switch (autoSizeRowsMode) {
3122                                 case DataGridViewAutoSizeRowsMode.AllHeaders:
3123                                         mode = DataGridViewAutoSizeRowMode.RowHeader;
3124                                         break;
3125                                 case DataGridViewAutoSizeRowsMode.AllCellsExceptHeaders:
3126                                         mode = DataGridViewAutoSizeRowMode.AllCellsExceptHeader;
3127                                         break;
3128                                 case DataGridViewAutoSizeRowsMode.AllCells:
3129                                         mode = DataGridViewAutoSizeRowMode.AllCells;
3130                                         break;
3131                                 case DataGridViewAutoSizeRowsMode.DisplayedHeaders:
3132                                         mode = DataGridViewAutoSizeRowMode.RowHeader;
3133                                         displayed_only = true;
3134                                         break;
3135                                 case DataGridViewAutoSizeRowsMode.DisplayedCellsExceptHeaders:
3136                                         mode = DataGridViewAutoSizeRowMode.AllCellsExceptHeader;
3137                                         displayed_only = true;
3138                                         break;
3139                                 case DataGridViewAutoSizeRowsMode.DisplayedCells:
3140                                         mode = DataGridViewAutoSizeRowMode.AllCells;
3141                                         displayed_only = true;
3142                                         break;
3143                         }
3144
3145                         foreach (DataGridViewRow row in Rows) {
3146                                 if (!displayed_only || row.Displayed) {
3147                                         int new_height = row.GetPreferredHeight (row.Index, mode, fixedWidth);
3148
3149                                         if (row.Height != new_height)
3150                                                 row.SetAutoSizeHeight (new_height);
3151                                 }
3152                         }
3153                 }
3154
3155                 [MonoTODO ("Does not use fixedMode parameter")]
3156                 protected void AutoResizeRows (int rowIndexStart, int rowsCount, DataGridViewAutoSizeRowMode autoSizeRowMode, bool fixedWidth)
3157                 {
3158                         for (int i = rowIndexStart; i < rowIndexStart + rowsCount; i++)
3159                                 AutoResizeRow (i, autoSizeRowMode, fixedWidth);
3160                 }
3161
3162                 protected void ClearSelection (int columnIndexException, int rowIndexException, bool selectExceptionElement) {
3163                         if (columnIndexException >= columns.Count) {
3164                                 throw new ArgumentOutOfRangeException("ColumnIndexException is greater than the highest column index.");
3165                         }
3166                         if (selectionMode == DataGridViewSelectionMode.FullRowSelect) {
3167                                 if (columnIndexException < -1) {
3168                                         throw new ArgumentOutOfRangeException("ColumnIndexException is less than -1.");
3169                                 }
3170                         }
3171                         else {
3172                                 if (columnIndexException < 0) {
3173                                         throw new ArgumentOutOfRangeException("ColumnIndexException is less than 0.");
3174                                 }
3175                         }
3176                         if (rowIndexException >= rows.Count) {
3177                                 throw new ArgumentOutOfRangeException("RowIndexException is greater than the highest row index.");
3178                         }
3179                         if (selectionMode == DataGridViewSelectionMode.FullColumnSelect) {
3180                                 if (rowIndexException < -1) {
3181                                         throw new ArgumentOutOfRangeException("RowIndexException is less than -1.");
3182                                 }
3183                         }
3184                         else {
3185                                 if (rowIndexException < 0) {
3186                                         throw new ArgumentOutOfRangeException("RowIndexException is less than 0.");
3187                                 }
3188                         }
3189                         switch (selectionMode) {
3190                                 case DataGridViewSelectionMode.FullRowSelect:
3191                                         foreach (DataGridViewRow row in rows) {
3192                                                 if (selectExceptionElement && row.Index == rowIndexException) {
3193                                                         continue;
3194                                                 }
3195                                                 SetSelectedRowCore (row.Index, false);
3196                                         }
3197                                         break;
3198                                 case DataGridViewSelectionMode.FullColumnSelect:
3199                                         foreach (DataGridViewColumn col in columns) {
3200                                                 if (selectExceptionElement && col.Index == columnIndexException) {
3201                                                         continue;
3202                                                 }
3203                                                 SetSelectedColumnCore (col.Index, false);
3204                                         }
3205                                         break;
3206                                 default:
3207                                         foreach (DataGridViewCell cell in SelectedCells) {
3208                                                 if (selectExceptionElement && cell.RowIndex == rowIndexException && cell.ColumnIndex == columnIndexException) {
3209                                                         continue;
3210                                                 }
3211                                                 SetSelectedCellCore (cell.ColumnIndex, cell.RowIndex, false);
3212                                         }
3213                                         break;
3214                         }
3215                 }
3216
3217                 protected override AccessibleObject CreateAccessibilityInstance ()
3218                 {
3219                         return new DataGridViewAccessibleObject(this);
3220                 }
3221
3222                 [EditorBrowsable (EditorBrowsableState.Advanced)]
3223                 protected virtual DataGridViewColumnCollection CreateColumnsInstance ()
3224                 {
3225                         return new DataGridViewColumnCollection(this);
3226                 }
3227
3228                 protected override Control.ControlCollection CreateControlsInstance ()
3229                 {
3230                         return new DataGridViewControlCollection (this);
3231                 }
3232
3233                 [EditorBrowsable (EditorBrowsableState.Advanced)]
3234                 protected virtual DataGridViewRowCollection CreateRowsInstance ()
3235                 {
3236                         return new DataGridViewRowCollection(this);
3237                 }
3238
3239                 protected override void Dispose (bool disposing) {
3240                 }
3241
3242                 protected override AccessibleObject GetAccessibilityObjectById (int objectId)
3243                 {
3244                         throw new NotImplementedException();
3245                 }
3246
3247                 protected override bool IsInputChar (char charCode)
3248                 {
3249                         return true;
3250                 }
3251
3252                 protected override bool IsInputKey (Keys keyData)
3253                 {
3254                         // Don't look at the modifiers
3255                         keyData = keyData & ~Keys.Modifiers;
3256
3257                         switch (keyData) {
3258                                 case Keys.Return:
3259                                 case Keys.PageUp:
3260                                 case Keys.Next:
3261                                 case Keys.End:
3262                                 case Keys.Home:
3263                                 case Keys.Left:
3264                                 case Keys.Up:
3265                                 case Keys.Right:
3266                                 case Keys.Down:
3267                                 case Keys.Delete:
3268                                 case Keys.D0:
3269                                 case Keys.NumPad0:
3270                                 case Keys.F2:
3271                                         return true;
3272                         }
3273
3274                         return false;
3275                 }
3276
3277                 protected virtual void OnAllowUserToAddRowsChanged (EventArgs e)
3278                 {
3279                         EventHandler eh = (EventHandler)(Events [AllowUserToAddRowsChangedEvent]);
3280                         if (eh != null)
3281                                 eh (this, e);
3282                 }
3283
3284                 protected virtual void OnAllowUserToDeleteRowsChanged (EventArgs e)
3285                 {
3286                         EventHandler eh = (EventHandler)(Events [AllowUserToDeleteRowsChangedEvent]);
3287                         if (eh != null)
3288                                 eh (this, e);
3289                 }
3290
3291                 protected virtual void OnAllowUserToOrderColumnsChanged (EventArgs e)
3292                 {
3293                         EventHandler eh = (EventHandler)(Events [AllowUserToOrderColumnsChangedEvent]);
3294                         if (eh != null)
3295                                 eh (this, e);
3296                 }
3297
3298                 protected virtual void OnAllowUserToResizeColumnsChanged (EventArgs e)
3299                 {
3300                         EventHandler eh = (EventHandler)(Events [AllowUserToResizeColumnsChangedEvent]);
3301                         if (eh != null)
3302                                 eh (this, e);
3303                 }
3304
3305                 protected virtual void OnAllowUserToResizeRowsChanged (EventArgs e)
3306                 {
3307                         EventHandler eh = (EventHandler)(Events [AllowUserToResizeRowsChangedEvent]);
3308                         if (eh != null)
3309                                 eh (this, e);
3310                 }
3311
3312                 protected virtual void OnAlternatingRowsDefaultCellStyleChanged (EventArgs e)
3313                 {
3314                         EventHandler eh = (EventHandler)(Events [AlternatingRowsDefaultCellStyleChangedEvent]);
3315                         if (eh != null)
3316                                 eh (this, e);
3317                 }
3318
3319                 protected virtual void OnAutoGenerateColumnsChanged (EventArgs e)
3320                 {
3321                         EventHandler eh = (EventHandler)(Events [AutoGenerateColumnsChangedEvent]);
3322                         if (eh != null)
3323                                 eh (this, e);
3324                 }
3325
3326                 protected internal virtual void OnAutoSizeColumnModeChanged (DataGridViewAutoSizeColumnModeEventArgs e)
3327                 {
3328                         DataGridViewAutoSizeColumnModeEventHandler eh = (DataGridViewAutoSizeColumnModeEventHandler)(Events [AutoSizeColumnModeChangedEvent]);
3329                         if (eh != null)
3330                                 eh (this, e);
3331                 }
3332
3333                 protected virtual void OnAutoSizeColumnsModeChanged (DataGridViewAutoSizeColumnsModeEventArgs e)
3334                 {
3335                         DataGridViewAutoSizeColumnsModeEventHandler eh = (DataGridViewAutoSizeColumnsModeEventHandler)(Events [AutoSizeColumnsModeChangedEvent]);
3336                         if (eh != null)
3337                                 eh (this, e);
3338                 }
3339
3340                 protected virtual void OnAutoSizeRowsModeChanged (DataGridViewAutoSizeModeEventArgs e)
3341                 {
3342                         DataGridViewAutoSizeModeEventHandler eh = (DataGridViewAutoSizeModeEventHandler)(Events [AutoSizeRowsModeChangedEvent]);
3343                         if (eh != null)
3344                                 eh (this, e);
3345                 }
3346
3347                 protected virtual void OnBackgroundColorChanged (EventArgs e)
3348                 {
3349                         EventHandler eh = (EventHandler)(Events [BackgroundColorChangedEvent]);
3350                         if (eh != null)
3351                                 eh (this, e);
3352                 }
3353
3354                 protected override void OnBindingContextChanged (EventArgs e)
3355                 {
3356                         base.OnBindingContextChanged(e);
3357                         ReBind();
3358                 }
3359
3360                 protected virtual void OnBorderStyleChanged (EventArgs e)
3361                 {
3362                         EventHandler eh = (EventHandler)(Events [BorderStyleChangedEvent]);
3363                         if (eh != null)
3364                                 eh (this, e);
3365                 }
3366
3367                 protected virtual void OnCancelRowEdit (QuestionEventArgs e) {
3368                         QuestionEventHandler eh = (QuestionEventHandler)(Events [CancelRowEditEvent]);
3369                         if (eh != null)
3370                                 eh (this, e);
3371                 }
3372
3373                 protected virtual void OnCellBeginEdit (DataGridViewCellCancelEventArgs e)
3374                 {
3375                         DataGridViewCellCancelEventHandler eh = (DataGridViewCellCancelEventHandler)(Events [CellBeginEditEvent]);
3376                         if (eh != null)
3377                                 eh (this, e);
3378                 }
3379
3380                 protected virtual void OnCellBorderStyleChanged (EventArgs e)
3381                 {
3382                         EventHandler eh = (EventHandler)(Events [CellBorderStyleChangedEvent]);
3383                         if (eh != null)
3384                                 eh (this, e);
3385                 }
3386
3387                 protected virtual void OnCellClick (DataGridViewCellEventArgs e)
3388                 {
3389                         DataGridViewCell cell = GetCellInternal (e.ColumnIndex, e.RowIndex);
3390
3391                         cell.OnClickInternal (e);
3392
3393                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellClickEvent]);
3394                         if (eh != null)
3395                                 eh (this, e);
3396                 }
3397
3398                 protected virtual void OnCellContentClick (DataGridViewCellEventArgs e)
3399                 {
3400                         DataGridViewCell cell = GetCellInternal (e.ColumnIndex, e.RowIndex);
3401
3402                         cell.OnContentClickInternal (e);
3403
3404                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellContentClickEvent]);
3405                         if (eh != null)
3406                                 eh (this, e);
3407                 }
3408
3409                 protected virtual void OnCellContentDoubleClick (DataGridViewCellEventArgs e)
3410                 {
3411                         DataGridViewCell cell = GetCellInternal (e.ColumnIndex, e.RowIndex);
3412
3413                         cell.OnContentDoubleClickInternal (e);
3414
3415                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellContentDoubleClickEvent]);
3416                         if (eh != null)
3417                                 eh (this, e);
3418                 }
3419
3420                 protected virtual void OnCellContextMenuStripChanged (DataGridViewCellEventArgs e)
3421                 {
3422                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellContextMenuStripChangedEvent]);
3423                         if (eh != null)
3424                                 eh (this, e);
3425                 }
3426
3427                 protected virtual void OnCellContextMenuStripNeeded (DataGridViewCellContextMenuStripNeededEventArgs e)
3428                 {
3429                         DataGridViewCellContextMenuStripNeededEventHandler eh = (DataGridViewCellContextMenuStripNeededEventHandler)(Events [CellContextMenuStripNeededEvent]);
3430                         if (eh != null)
3431                                 eh (this, e);
3432                 }
3433
3434                 protected virtual void OnCellDoubleClick (DataGridViewCellEventArgs e)
3435                 {
3436                         DataGridViewCell cell = GetCellInternal (e.ColumnIndex, e.RowIndex);
3437
3438                         cell.OnDoubleClickInternal (e);
3439                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellDoubleClickEvent]);
3440                         if (eh != null)
3441                                 eh (this, e);
3442                 }
3443
3444                 protected virtual void OnCellEndEdit (DataGridViewCellEventArgs e)
3445                 {
3446                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellEndEditEvent]);
3447                         if (eh != null)
3448                                 eh (this, e);
3449                 }
3450
3451                 protected virtual void OnCellEnter (DataGridViewCellEventArgs e)
3452                 {
3453                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellEnterEvent]);
3454                         if (eh != null)
3455                                 eh (this, e);
3456                 }
3457
3458                 protected internal virtual void OnCellErrorTextChanged (DataGridViewCellEventArgs e)
3459                 {
3460                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellErrorTextChangedEvent]);
3461                         if (eh != null)
3462                                 eh (this, e);
3463                 }
3464
3465                 protected virtual void OnCellErrorTextNeeded (DataGridViewCellErrorTextNeededEventArgs e)
3466                 {
3467                         DataGridViewCellErrorTextNeededEventHandler eh = (DataGridViewCellErrorTextNeededEventHandler)(Events [CellErrorTextNeededEvent]);
3468                         if (eh != null)
3469                                 eh (this, e);
3470                 }
3471
3472                 internal void OnCellFormattingInternal (DataGridViewCellFormattingEventArgs e)
3473                 {
3474                         OnCellFormatting (e);
3475                 }
3476
3477                 protected virtual void OnCellFormatting (DataGridViewCellFormattingEventArgs e)
3478                 {
3479                         DataGridViewCellFormattingEventHandler eh = (DataGridViewCellFormattingEventHandler)(Events [CellFormattingEvent]);
3480                         if (eh != null)
3481                                 eh (this, e);
3482                 }
3483
3484                 protected virtual void OnCellLeave (DataGridViewCellEventArgs e)
3485                 {
3486                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellLeaveEvent]);
3487                         if (eh != null)
3488                                 eh (this, e);
3489                 }
3490
3491                 protected virtual void OnCellMouseClick (DataGridViewCellMouseEventArgs e)
3492                 {
3493                         DataGridViewCell cell = GetCellInternal (e.ColumnIndex, e.RowIndex);
3494
3495                         cell.OnMouseClickInternal (e);
3496
3497                         DataGridViewCellMouseEventHandler eh = (DataGridViewCellMouseEventHandler)(Events [CellMouseClickEvent]);
3498                         if (eh != null)
3499                                 eh (this, e);
3500                 }
3501
3502                 protected virtual void OnCellMouseDoubleClick (DataGridViewCellMouseEventArgs e)
3503                 {
3504                         DataGridViewCell cell = GetCellInternal (e.ColumnIndex, e.RowIndex);
3505
3506                         cell.OnMouseDoubleClickInternal (e);
3507
3508                         DataGridViewCellMouseEventHandler eh = (DataGridViewCellMouseEventHandler)(Events [CellMouseDoubleClickEvent]);
3509                         if (eh != null)
3510                                 eh (this, e);
3511                 }
3512
3513                 protected virtual void OnCellMouseDown (DataGridViewCellMouseEventArgs e)
3514                 {
3515
3516                         DataGridViewCell cell = GetCellInternal (e.ColumnIndex, e.RowIndex);
3517
3518                         cell.OnMouseDownInternal (e);
3519
3520                         DataGridViewCellMouseEventHandler eh = (DataGridViewCellMouseEventHandler)(Events [CellMouseDownEvent]);
3521                         if (eh != null)
3522                                 eh (this, e);
3523                 }
3524
3525                 protected virtual void OnCellMouseEnter (DataGridViewCellEventArgs e)
3526                 {
3527                         DataGridViewCell cell = GetCellInternal (e.ColumnIndex, e.RowIndex);
3528
3529                         cell.OnMouseEnterInternal (e.RowIndex);
3530
3531                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellMouseEnterEvent]);
3532                         if (eh != null)
3533                                 eh (this, e);
3534                 }
3535
3536                 protected virtual void OnCellMouseLeave (DataGridViewCellEventArgs e)
3537                 {
3538                         DataGridViewCell cell = GetCellInternal (e.ColumnIndex, e.RowIndex);
3539
3540                         cell.OnMouseLeaveInternal (e.RowIndex);
3541
3542                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellMouseLeaveEvent]);
3543                         if (eh != null)
3544                                 eh (this, e);
3545                 }
3546
3547                 protected virtual void OnCellMouseMove (DataGridViewCellMouseEventArgs e)
3548                 {
3549                         DataGridViewCell cell = GetCellInternal (e.ColumnIndex, e.RowIndex);
3550
3551                         cell.OnMouseMoveInternal (e);
3552
3553                         DataGridViewCellMouseEventHandler eh = (DataGridViewCellMouseEventHandler)(Events [CellMouseMoveEvent]);
3554                         if (eh != null)
3555                                 eh (this, e);
3556                 }
3557
3558                 protected virtual void OnCellMouseUp (DataGridViewCellMouseEventArgs e)
3559                 {
3560                         DataGridViewCell cell = GetCellInternal (e.ColumnIndex, e.RowIndex);
3561
3562                         cell.OnMouseUpInternal (e);
3563
3564                         DataGridViewCellMouseEventHandler eh = (DataGridViewCellMouseEventHandler)(Events [CellMouseUpEvent]);
3565                         if (eh != null)
3566                                 eh (this, e);
3567                 }
3568
3569                 internal void OnCellPaintingInternal (DataGridViewCellPaintingEventArgs e)
3570                 {
3571                         OnCellPainting (e);
3572                 }
3573
3574                 protected virtual void OnCellPainting (DataGridViewCellPaintingEventArgs e)
3575                 {
3576                         DataGridViewCellPaintingEventHandler eh = (DataGridViewCellPaintingEventHandler)(Events [CellPaintingEvent]);
3577                         if (eh != null)
3578                                 eh (this, e);
3579                 }
3580
3581                 protected internal virtual void OnCellParsing (DataGridViewCellParsingEventArgs e)
3582                 {
3583                         DataGridViewCellParsingEventHandler eh = (DataGridViewCellParsingEventHandler)(Events [CellParsingEvent]);
3584                         if (eh != null)
3585                                 eh (this, e);
3586                 }
3587
3588                 internal void OnCellStateChangedInternal (DataGridViewCellStateChangedEventArgs e) {
3589                         this.OnCellStateChanged (e);
3590                 }
3591
3592                 protected virtual void OnCellStateChanged (DataGridViewCellStateChangedEventArgs e)
3593                 {
3594                         DataGridViewCellStateChangedEventHandler eh = (DataGridViewCellStateChangedEventHandler)(Events [CellStateChangedEvent]);
3595                         if (eh != null)
3596                                 eh (this, e);
3597                 }
3598
3599                 protected virtual void OnCellStyleChanged (DataGridViewCellEventArgs e)
3600                 {
3601                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellStyleChangedEvent]);
3602                         if (eh != null)
3603                                 eh (this, e);
3604                 }
3605
3606                 protected virtual void OnCellStyleContentChanged (DataGridViewCellStyleContentChangedEventArgs e) {
3607                         DataGridViewCellStyleContentChangedEventHandler eh = (DataGridViewCellStyleContentChangedEventHandler)(Events [CellStyleContentChangedEvent]);
3608                         if (eh != null)
3609                                 eh (this, e);
3610                 }
3611
3612                 protected virtual void OnCellToolTipTextChanged (DataGridViewCellEventArgs e) {
3613                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellToolTipTextChangedEvent]);
3614                         if (eh != null)
3615                                 eh (this, e);
3616                 }
3617
3618                 protected virtual void OnCellToolTipTextNeeded (DataGridViewCellToolTipTextNeededEventArgs e)
3619                 {
3620                         DataGridViewCellToolTipTextNeededEventHandler eh = (DataGridViewCellToolTipTextNeededEventHandler)(Events [CellToolTipTextNeededEvent]);
3621                         if (eh != null)
3622                                 eh (this, e);
3623                 }
3624
3625                 protected virtual void OnCellValidated (DataGridViewCellEventArgs e)
3626                 {
3627                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellValidatedEvent]);
3628                         if (eh != null)
3629                                 eh (this, e);
3630                 }
3631
3632                 protected virtual void OnCellValidating (DataGridViewCellValidatingEventArgs e)
3633                 {
3634                         DataGridViewCellValidatingEventHandler eh = (DataGridViewCellValidatingEventHandler)(Events [CellValidatingEvent]);
3635                         if (eh != null)
3636                                 eh (this, e);
3637                 }
3638
3639                 protected virtual void OnCellValueChanged (DataGridViewCellEventArgs e)
3640                 {
3641                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [CellValueChangedEvent]);
3642                         if (eh != null)
3643                                 eh (this, e);
3644                 }
3645
3646                 protected internal virtual void OnCellValueNeeded (DataGridViewCellValueEventArgs e)
3647                 {
3648                         DataGridViewCellValueEventHandler eh = (DataGridViewCellValueEventHandler)(Events [CellValueNeededEvent]);
3649                         if (eh != null)
3650                                 eh (this, e);
3651                 }
3652
3653                 protected virtual void OnCellValuePushed (DataGridViewCellValueEventArgs e)
3654                 {
3655                         DataGridViewCellValueEventHandler eh = (DataGridViewCellValueEventHandler)(Events [CellValuePushedEvent]);
3656                         if (eh != null)
3657                                 eh (this, e);
3658                 }
3659
3660                 internal void OnColumnAddedInternal (DataGridViewColumnEventArgs e)
3661                 {
3662                         if (e.Column.CellTemplate != null) {
3663                                 // The first column has just been added programatically instead of
3664                                 // autogenerated so we need to create the rows for the first time.
3665                                 //
3666                                 if (!is_autogenerating_columns && columns.Count == 1)
3667                                         ReBind ();
3668
3669                                 foreach (DataGridViewRow row in Rows)
3670                                         row.Cells.Add ((DataGridViewCell)e.Column.CellTemplate.Clone ());
3671                         }
3672
3673                         AutoResizeColumnsInternal ();
3674                         OnColumnAdded (e);
3675                         PrepareEditingRow (false, true);
3676                 }
3677
3678                 protected virtual void OnColumnAdded (DataGridViewColumnEventArgs e)
3679                 {
3680                         DataGridViewColumnEventHandler eh = (DataGridViewColumnEventHandler)(Events [ColumnAddedEvent]);
3681                         if (eh != null)
3682                                 eh (this, e);
3683                 }
3684
3685                 protected internal virtual void OnColumnContextMenuStripChanged (DataGridViewColumnEventArgs e)
3686                 {
3687                         DataGridViewColumnEventHandler eh = (DataGridViewColumnEventHandler)(Events [ColumnContextMenuStripChangedEvent]);
3688                         if (eh != null)
3689                                 eh (this, e);
3690                 }
3691
3692                 protected internal virtual void OnColumnDataPropertyNameChanged (DataGridViewColumnEventArgs e)
3693                 {
3694                         DataGridViewColumnEventHandler eh = (DataGridViewColumnEventHandler)(Events [ColumnDataPropertyNameChangedEvent]);
3695                         if (eh != null)
3696                                 eh (this, e);
3697                 }
3698
3699                 protected internal virtual void OnColumnDefaultCellStyleChanged (DataGridViewColumnEventArgs e)
3700                 {
3701                         DataGridViewColumnEventHandler eh = (DataGridViewColumnEventHandler)(Events [ColumnDefaultCellStyleChangedEvent]);
3702                         if (eh != null)
3703                                 eh (this, e);
3704                 }
3705
3706                 protected internal virtual void OnColumnDisplayIndexChanged (DataGridViewColumnEventArgs e)
3707                 {
3708                         DataGridViewColumnEventHandler eh = (DataGridViewColumnEventHandler)(Events [ColumnDisplayIndexChangedEvent]);
3709                         if (eh != null)
3710                                 eh (this, e);
3711                 }
3712
3713                 protected virtual void OnColumnDividerDoubleClick (DataGridViewColumnDividerDoubleClickEventArgs e)
3714                 {
3715                         DataGridViewColumnDividerDoubleClickEventHandler eh = (DataGridViewColumnDividerDoubleClickEventHandler)(Events [ColumnDividerDoubleClickEvent]);
3716                         if (eh != null)
3717                                 eh (this, e);
3718                 }
3719
3720                 protected internal virtual void OnColumnDividerWidthChanged (DataGridViewColumnEventArgs e)
3721                 {
3722                         DataGridViewColumnEventHandler eh = (DataGridViewColumnEventHandler)(Events [ColumnDividerWidthChangedEvent]);
3723                         if (eh != null)
3724                                 eh (this, e);
3725                 }
3726
3727                 protected internal virtual void OnColumnHeaderCellChanged (DataGridViewColumnEventArgs e)
3728                 {
3729                         DataGridViewColumnEventHandler eh = (DataGridViewColumnEventHandler)(Events [ColumnHeaderCellChangedEvent]);
3730                         if (eh != null)
3731                                 eh (this, e);
3732                 }
3733
3734                 protected virtual void OnColumnHeaderMouseClick (DataGridViewCellMouseEventArgs e)
3735                 {
3736                         DataGridViewColumn col = Columns[e.ColumnIndex];
3737
3738                         if (col.SortMode == DataGridViewColumnSortMode.Automatic) {
3739                                 ListSortDirection new_order;
3740
3741                                 // Always use ascending unless we are clicking on a
3742                                 // column that is already sorted ascending.
3743                                 if (SortedColumn != col || sortOrder != SortOrder.Ascending)
3744                                         new_order = ListSortDirection.Ascending;
3745                                 else
3746                                         new_order = ListSortDirection.Descending;
3747
3748                                 Sort (col, new_order);
3749                         }
3750
3751                         DataGridViewCellMouseEventHandler eh = (DataGridViewCellMouseEventHandler)(Events [ColumnHeaderMouseClickEvent]);
3752                         if (eh != null)
3753                                 eh (this, e);
3754                 }
3755
3756                 protected virtual void OnColumnHeaderMouseDoubleClick (DataGridViewCellMouseEventArgs e)
3757                 {
3758                         DataGridViewCellMouseEventHandler eh = (DataGridViewCellMouseEventHandler)(Events [ColumnHeaderMouseDoubleClickEvent]);
3759                         if (eh != null)
3760                                 eh (this, e);
3761                 }
3762
3763                 protected virtual void OnColumnHeadersBorderStyleChanged (EventArgs e)
3764                 {
3765                         EventHandler eh = (EventHandler)(Events [ColumnHeadersBorderStyleChangedEvent]);
3766                         if (eh != null)
3767                                 eh (this, e);
3768                 }
3769
3770                 protected virtual void OnColumnHeadersDefaultCellStyleChanged (EventArgs e)
3771                 {
3772                         EventHandler eh = (EventHandler)(Events [ColumnHeadersDefaultCellStyleChangedEvent]);
3773                         if (eh != null)
3774                                 eh (this, e);
3775                 }
3776
3777                 protected virtual void OnColumnHeadersHeightChanged (EventArgs e)
3778                 {
3779                         EventHandler eh = (EventHandler)(Events [ColumnHeadersHeightChangedEvent]);
3780                         if (eh != null)
3781                                 eh (this, e);
3782                 }
3783
3784                 protected virtual void OnColumnHeadersHeightSizeModeChanged (DataGridViewAutoSizeModeEventArgs e)
3785                 {
3786                         DataGridViewAutoSizeModeEventHandler eh = (DataGridViewAutoSizeModeEventHandler)(Events [ColumnHeadersHeightSizeModeChangedEvent]);
3787                         if (eh != null)
3788                                 eh (this, e);
3789                 }
3790
3791                 protected internal virtual void OnColumnMinimumWidthChanged (DataGridViewColumnEventArgs e)
3792                 {
3793                         DataGridViewColumnEventHandler eh = (DataGridViewColumnEventHandler)(Events [ColumnMinimumWidthChangedEvent]);
3794                         if (eh != null)
3795                                 eh (this, e);
3796                 }
3797
3798                 protected internal virtual void OnColumnNameChanged (DataGridViewColumnEventArgs e)
3799                 {
3800                         DataGridViewColumnEventHandler eh = (DataGridViewColumnEventHandler)(Events [ColumnNameChangedEvent]);
3801                         if (eh != null)
3802                                 eh (this, e);
3803                 }
3804
3805                 internal void OnColumnRemovedInternal (DataGridViewColumnEventArgs e)
3806                 {
3807                         if (e.Column.CellTemplate != null) {
3808                                 int index = e.Column.Index;
3809
3810                                 foreach (DataGridViewRow row in Rows)
3811                                         row.Cells.RemoveAt (index);
3812                         }
3813
3814                         AutoResizeColumnsInternal ();
3815                         OnColumnRemoved (e);
3816                         PrepareEditingRow (false, true);
3817                 }
3818
3819                 protected virtual void OnColumnRemoved (DataGridViewColumnEventArgs e)
3820                 {
3821                         DataGridViewColumnEventHandler eh = (DataGridViewColumnEventHandler)(Events [ColumnRemovedEvent]);
3822                         if (eh != null)
3823                                 eh (this, e);
3824                 }
3825
3826                 protected internal virtual void OnColumnSortModeChanged (DataGridViewColumnEventArgs e)
3827                 {
3828                         DataGridViewColumnEventHandler eh = (DataGridViewColumnEventHandler)(Events [ColumnSortModeChangedEvent]);
3829                         if (eh != null)
3830                                 eh (this, e);
3831                 }
3832
3833                 protected internal virtual void OnColumnStateChanged (DataGridViewColumnStateChangedEventArgs e)
3834                 {
3835                         DataGridViewColumnStateChangedEventHandler eh = (DataGridViewColumnStateChangedEventHandler)(Events [ColumnStateChangedEvent]);
3836                         if (eh != null)
3837                                 eh (this, e);
3838                 }
3839
3840                 protected internal virtual void OnColumnToolTipTextChanged (DataGridViewColumnEventArgs e)
3841                 {
3842                         DataGridViewColumnEventHandler eh = (DataGridViewColumnEventHandler)(Events [ColumnToolTipTextChangedEvent]);
3843                         if (eh != null)
3844                                 eh (this, e);
3845                 }
3846
3847                 protected internal virtual void OnColumnWidthChanged (DataGridViewColumnEventArgs e)
3848                 {
3849                         DataGridViewColumnEventHandler eh = (DataGridViewColumnEventHandler)(Events [ColumnWidthChangedEvent]);
3850                         if (eh != null)
3851                                 eh (this, e);
3852                 }
3853
3854                 protected virtual void OnCurrentCellChanged (EventArgs e)
3855                 {
3856                         EventHandler eh = (EventHandler)(Events [CurrentCellChangedEvent]);
3857                         if (eh != null)
3858                                 eh (this, e);
3859                 }
3860
3861                 protected virtual void OnCurrentCellDirtyStateChanged (EventArgs e)
3862                 {
3863                         EventHandler eh = (EventHandler)(Events [CurrentCellDirtyStateChangedEvent]);
3864                         if (eh != null)
3865                                 eh (this, e);
3866                 }
3867
3868                 protected override void OnCursorChanged (EventArgs e)
3869                 {
3870                         base.OnCursorChanged (e);
3871                 }
3872
3873                 protected virtual void OnDataBindingComplete (DataGridViewBindingCompleteEventArgs e)
3874                 {
3875                         DataGridViewBindingCompleteEventHandler eh = (DataGridViewBindingCompleteEventHandler)(Events [DataBindingCompleteEvent]);
3876                         if (eh != null)
3877                                 eh (this, e);
3878                 }
3879
3880                 protected virtual void OnDataError (bool displayErrorDialogIfNoHandler, DataGridViewDataErrorEventArgs e)
3881                 {
3882                         DataGridViewDataErrorEventHandler eh = (DataGridViewDataErrorEventHandler)(Events [DataErrorEvent]);
3883
3884                         if (eh != null)
3885                                 eh (this, e);
3886                         else if (displayErrorDialogIfNoHandler)
3887                                 MessageBox.Show (e.ToString ());
3888                 }
3889                 protected virtual void OnDataMemberChanged (EventArgs e) {
3890                         EventHandler eh = (EventHandler)(Events [DataMemberChangedEvent]);
3891                         if (eh != null)
3892                                 eh (this, e);
3893                 }
3894
3895                 protected virtual void OnDataSourceChanged (EventArgs e) {
3896                         EventHandler eh = (EventHandler)(Events [DataSourceChangedEvent]);
3897                         if (eh != null)
3898                                 eh (this, e);
3899                 }
3900
3901                 protected virtual void OnDefaultCellStyleChanged (EventArgs e) {
3902                         EventHandler eh = (EventHandler)(Events [DefaultCellStyleChangedEvent]);
3903                         if (eh != null)
3904                                 eh (this, e);
3905                 }
3906
3907                 protected virtual void OnDefaultValuesNeeded (DataGridViewRowEventArgs e) {
3908                         DataGridViewRowEventHandler eh = (DataGridViewRowEventHandler)(Events [DefaultValuesNeededEvent]);
3909                         if (eh != null)
3910                                 eh (this, e);
3911                 }
3912
3913                 protected override void OnDoubleClick (EventArgs e) {
3914                         base.OnDoubleClick(e);
3915                 }
3916
3917                 protected virtual void OnEditingControlShowing (DataGridViewEditingControlShowingEventArgs e) {
3918                         DataGridViewEditingControlShowingEventHandler eh = (DataGridViewEditingControlShowingEventHandler)(Events [EditingControlShowingEvent]);
3919                         if (eh != null)
3920                                 eh (this, e);
3921                 }
3922
3923                 protected virtual void OnEditModeChanged (EventArgs e)
3924                 {
3925                         EventHandler eh = (EventHandler)(Events [EditModeChangedEvent]);
3926                         if (eh != null)
3927                                 eh (this, e);
3928                 }
3929
3930                 protected override void OnEnabledChanged (EventArgs e)
3931                 {
3932                         base.OnEnabledChanged(e);
3933                 }
3934
3935                 protected override void OnEnter (EventArgs e )
3936                 {
3937                         base.OnEnter(e);
3938                 }
3939
3940                 protected override void OnGotFocus(EventArgs e)
3941                 {
3942                         base.OnGotFocus (e);
3943
3944                         // To add focus rectangle if needed
3945                         if (currentCell != null && ShowFocusCues)
3946                                 InvalidateCell (currentCell);
3947                 }
3948
3949                 protected override void OnFontChanged (EventArgs e)
3950                 {
3951                         base.OnFontChanged(e);
3952                 }
3953
3954                 protected override void OnForeColorChanged (EventArgs e)
3955                 {
3956                         base.OnForeColorChanged(e);
3957                 }
3958
3959                 protected virtual void OnGridColorChanged (EventArgs e)
3960                 {
3961                         EventHandler eh = (EventHandler)(Events [GridColorChangedEvent]);
3962                         if (eh != null)
3963                                 eh (this, e);
3964                 }
3965
3966                 protected override void OnHandleCreated (EventArgs e)
3967                 {
3968                         base.OnHandleCreated(e);
3969
3970                         if (CurrentCell == null && Rows.Count > 0 && Columns.Count > 0)
3971                                 MoveCurrentCell (ColumnDisplayIndexToIndex (0), 0, true, false, false, false);
3972                 }
3973
3974                 protected override void OnHandleDestroyed(EventArgs e)
3975                 {
3976                         base.OnHandleDestroyed (e);
3977                 }
3978
3979                 [EditorBrowsable (EditorBrowsableState.Advanced)]
3980                 protected override void OnKeyDown (KeyEventArgs e)
3981                 {
3982                         base.OnKeyDown (e);
3983
3984                         e.Handled = ProcessDataGridViewKey (e);
3985                 }
3986
3987                 [EditorBrowsable (EditorBrowsableState.Advanced)]
3988                 protected override void OnKeyPress (KeyPressEventArgs e)
3989                 {
3990                         base.OnKeyPress(e);
3991                 }
3992
3993                 [EditorBrowsable (EditorBrowsableState.Advanced)]
3994                 protected override void OnKeyUp (KeyEventArgs e)
3995                 {
3996                         base.OnKeyUp(e);
3997                 }
3998
3999                 protected override void OnLayout (LayoutEventArgs e)
4000                 {
4001                         if (horizontalScrollBar.Visible && verticalScrollBar.Visible) {
4002                                 horizontalScrollBar.Bounds = new Rectangle (BorderWidth, Height - BorderWidth - horizontalScrollBar.Height, Width - (2 * BorderWidth) - verticalScrollBar.Width, horizontalScrollBar.Height);
4003                                 verticalScrollBar.Bounds = new Rectangle (Width - BorderWidth - verticalScrollBar.Width, BorderWidth, verticalScrollBar.Width, Height - (2 * BorderWidth) - horizontalScrollBar.Height);
4004                         } else if (horizontalScrollBar.Visible)
4005                                 horizontalScrollBar.Bounds = new Rectangle (BorderWidth, Height - BorderWidth - horizontalScrollBar.Height, Width - (2 * BorderWidth), horizontalScrollBar.Height);
4006                         else if (verticalScrollBar.Visible)
4007                                 verticalScrollBar.Bounds = new Rectangle (Width - BorderWidth - verticalScrollBar.Width, BorderWidth, verticalScrollBar.Width,  Height - (2 * BorderWidth));
4008
4009                         AutoResizeColumnsInternal ();
4010                         Invalidate ();
4011                 }
4012
4013                 protected override void OnLeave (EventArgs e)
4014                 {
4015                         base.OnLeave(e);
4016                 }
4017
4018                 protected override void OnLostFocus(EventArgs e)
4019                 {
4020                         base.OnLostFocus (e);
4021
4022                         // To remove focus rectangle if needed
4023                         if (currentCell != null && ShowFocusCues)
4024                                 InvalidateCell (currentCell);
4025                 }
4026
4027                 protected override void OnMouseClick (MouseEventArgs e)
4028                 {
4029                         base.OnMouseClick(e);
4030
4031                         if (column_resize_active || row_resize_active)
4032                                 return;
4033
4034                         //Console.WriteLine("Mouse: Clicks: {0}; Delta: {1}; X: {2}; Y: {3};", e.Clicks, e.Delta, e.X, e.Y);
4035                         HitTestInfo hit = HitTest (e.X, e.Y);
4036
4037                         switch (hit.Type) {
4038                                 case DataGridViewHitTestType.Cell:
4039                                         Rectangle display = GetCellDisplayRectangle (hit.ColumnIndex, hit.RowIndex, false);
4040                                         Point cellpoint = new Point (e.X - display.X, e.Y - display.Y);
4041
4042                                         OnCellMouseClick (new DataGridViewCellMouseEventArgs (hit.ColumnIndex, hit.RowIndex, cellpoint.X, cellpoint.Y, e));
4043
4044                                         DataGridViewCell cell = GetCellInternal (hit.ColumnIndex, hit.RowIndex);
4045
4046                                         if (cell.GetContentBounds (hit.RowIndex).Contains (cellpoint)) {
4047                                                 DataGridViewCellEventArgs dgvcea = new DataGridViewCellEventArgs (hit.ColumnIndex, hit.RowIndex);
4048                                                 OnCellContentClick (dgvcea);
4049                                         }
4050
4051                                         break;
4052                                 case DataGridViewHitTestType.ColumnHeader:
4053                                         Rectangle display2 = GetCellDisplayRectangle (hit.ColumnIndex, hit.RowIndex, false);
4054                                         Point cellpoint2 = new Point (e.X - display2.X, e.Y - display2.Y);
4055
4056                                         OnColumnHeaderMouseClick (new DataGridViewCellMouseEventArgs (hit.ColumnIndex, hit.RowIndex, cellpoint2.X, cellpoint2.Y, e));
4057                                         break;
4058                         }
4059                 }
4060
4061                 protected override void OnMouseDoubleClick (MouseEventArgs e)
4062                 {
4063                         base.OnMouseDoubleClick(e);
4064                 }
4065
4066                 private void DoSelectionOnMouseDown (HitTestInfo hitTest)
4067                 {
4068                         Keys modifiers = Control.ModifierKeys;
4069                         bool isControl = (modifiers & Keys.Control) != 0;
4070                         bool isShift = (modifiers & Keys.Shift) != 0;
4071                         //bool isRowHeader = hitTest.Type == DataGridViewHitTestType.RowHeader;
4072                         //bool isColHeader = hitTest.Type == DataGridViewHitTestType.ColumnHeader;
4073                         DataGridViewSelectionMode mode;
4074
4075                         switch (hitTest.Type) {
4076                         case DataGridViewHitTestType.Cell:
4077                                 mode = selectionMode;
4078                                 break;
4079                         case DataGridViewHitTestType.ColumnHeader:
4080                                 mode = selectionMode == DataGridViewSelectionMode.ColumnHeaderSelect ? DataGridViewSelectionMode.FullColumnSelect : selectionMode;
4081
4082                                 if (mode != DataGridViewSelectionMode.FullColumnSelect)
4083                                         return;
4084                                 break;
4085                         case DataGridViewHitTestType.RowHeader:
4086                                 mode = selectionMode == DataGridViewSelectionMode.RowHeaderSelect ?  DataGridViewSelectionMode.FullRowSelect : selectionMode;
4087
4088                                 if (mode != DataGridViewSelectionMode.FullRowSelect)
4089                                         return;
4090                                 break; // Handled below
4091                         default:
4092                                 return;
4093                         }
4094
4095                         if (!isControl) {
4096                                 // If SHIFT is pressed:
4097                                 //      Select all from selected_row/column/cell to current row/column/cell, unselect everything else
4098                                 // otherwise:
4099                                 //      Unselect all rows/columns/cells, select the clicked one
4100                                 int min_row, max_row;
4101                                 int min_col, max_col;
4102                                 if (!isShift) {
4103                                         selected_row = hitTest.RowIndex;
4104                                         selected_column = hitTest.ColumnIndex;
4105                                 }
4106                                 if (!isShift) {
4107                                         if (selected_row != -1)
4108                                                 selected_row = hitTest.RowIndex;
4109                                         if (selected_column != -1)
4110                                                 selected_column = hitTest.ColumnIndex;
4111                                 }
4112                                 if (selected_row >= hitTest.RowIndex) {
4113                                         min_row = hitTest.RowIndex;
4114                                         max_row = isShift ? selected_row : min_row;
4115                                 } else {
4116                                         max_row = hitTest.RowIndex;
4117                                         min_row = isShift ? selected_row : max_row;
4118                                 }
4119                                 if (selected_column >= hitTest.ColumnIndex) {
4120                                         min_col = hitTest.ColumnIndex;
4121                                         max_col = isShift ? selected_column : min_col;
4122                                 } else {
4123                                         max_col = hitTest.ColumnIndex;
4124                                         min_col = isShift ? selected_column : max_col;
4125                                 }
4126
4127                                 switch (mode) {
4128                                 case DataGridViewSelectionMode.FullRowSelect:
4129                                         for (int i = 0; i < RowCount; i++) {
4130                                                 bool select = i >= min_row && i <= max_row;
4131                                                 if (!select) {
4132                                                         for (int c = 0; c < ColumnCount; c++) {
4133                                                                 if (Rows [i].Cells [c].Selected) {
4134                                                                         SetSelectedCellCore (c, i, false);
4135                                                                 }
4136                                                         }
4137                                                 }
4138                                                 if (select != Rows [i].Selected) {
4139                                                         SetSelectedRowCore (i, select);
4140                                                 }
4141                                         }
4142                                         break;
4143                                 case DataGridViewSelectionMode.FullColumnSelect:
4144                                         for (int i = 0; i < ColumnCount; i++) {
4145                                                 bool select = i >= min_col && i <= max_col;
4146                                                 if (!select) {
4147                                                         for (int r = 0; r < RowCount; r++) {
4148                                                                 if (Rows [r].Cells [i].Selected) {
4149                                                                         SetSelectedCellCore (i, r, false);
4150                                                                 }
4151                                                         }
4152                                                 }
4153                                                 if (select != Columns [i].Selected) {
4154                                                         SetSelectedColumnCore (i, select);
4155                                                 }
4156                                         }
4157                                         break;
4158                                 case DataGridViewSelectionMode.ColumnHeaderSelect:
4159                                 case DataGridViewSelectionMode.RowHeaderSelect:
4160                                         //break;
4161                                 case DataGridViewSelectionMode.CellSelect:
4162                                         if (!isShift) {
4163                                                 for (int c = 0; c < ColumnCount; c++) {
4164                                                         if (columns [c].Selected)
4165                                                                 SetSelectedColumnCore (c, false);
4166                                                 }
4167
4168                                                 for (int r = 0; r < RowCount; r++) {
4169                                                         if (rows [r].Selected)
4170                                                                 SetSelectedRowCore (r, false);
4171                                                 }
4172                                         }
4173                                         for (int r = 0; r < RowCount; r++) {
4174                                                 for (int c = 0; c < ColumnCount; c++) {
4175                                                         bool select = (r >= min_row && r <= max_row) && (c >= min_col && c <= max_col);
4176                                                         if (select != Rows [r].Cells [c].Selected)
4177                                                                 SetSelectedCellCore (c, r, select);
4178                                                 }
4179                                         }
4180                                         break;
4181                                 }
4182
4183                         } else if (isControl) {
4184                                 // Switch the selected state of the row.
4185                                 switch (mode) {
4186                                 case DataGridViewSelectionMode.FullRowSelect:
4187                                         SetSelectedRowCore (hitTest.RowIndex, !rows [hitTest.RowIndex].Selected);
4188                                         break;
4189                                 case DataGridViewSelectionMode.FullColumnSelect:
4190                                         SetSelectedColumnCore (hitTest.ColumnIndex, !columns [hitTest.ColumnIndex].Selected);
4191                                         break;
4192                                 case DataGridViewSelectionMode.ColumnHeaderSelect:
4193                                 case DataGridViewSelectionMode.RowHeaderSelect:
4194                                         //break;
4195                                 case DataGridViewSelectionMode.CellSelect:
4196                                         if (hitTest.ColumnIndex >= 0 && hitTest.RowIndex >= 0) {
4197                                                 SetSelectedCellCore (hitTest.ColumnIndex, hitTest.RowIndex, !Rows [hitTest.RowIndex].Cells [hitTest.ColumnIndex].Selected);
4198                                         }
4199                                         break;
4200                                 }
4201                         }
4202
4203                 }
4204
4205                 protected override void OnMouseDown (MouseEventArgs e)
4206                 {
4207                         base.OnMouseDown(e);
4208
4209                         if (!EndEdit ())
4210                                 return;
4211
4212                         HitTestInfo hitTest = HitTest(e.X, e.Y);
4213
4214                         DataGridViewCell cell = null;
4215                         DataGridViewRow row = null;
4216                         Rectangle cellBounds;
4217
4218                         if (hitTest.Type == DataGridViewHitTestType.ColumnHeader && MouseOverColumnResize (hitTest.ColumnIndex, e.X)) {
4219                                 if (e.Clicks == 2) {
4220                                         AutoResizeColumn (hitTest.ColumnIndex);
4221                                         return;
4222                                 }
4223
4224                                 resize_band = hitTest.ColumnIndex;
4225                                 column_resize_active = true;
4226                                 resize_band_start = e.X;
4227                                 resize_band_delta = 0;
4228                                 DrawVerticalResizeLine (resize_band_start);
4229                                 return;
4230                         }
4231
4232                         if (hitTest.Type == DataGridViewHitTestType.RowHeader && MouseOverRowResize (hitTest.RowIndex, e.Y)) {
4233                                 if (e.Clicks == 2) {
4234                                         AutoResizeRow (hitTest.RowIndex);
4235                                         return;
4236                                 }
4237
4238                                 resize_band = hitTest.RowIndex;
4239                                 row_resize_active = true;
4240                                 resize_band_start = e.Y;
4241                                 resize_band_delta = 0;
4242                                 DrawHorizontalResizeLine (resize_band_start);
4243                                 return;
4244                         }
4245
4246                         if (hitTest.Type == DataGridViewHitTestType.Cell) {
4247                                 row = rows [hitTest.RowIndex];
4248                                 cell = row.Cells [hitTest.ColumnIndex];
4249                                 SetCurrentCellAddressCore (cell.ColumnIndex, cell.RowIndex, false, true, true);
4250                                 cellBounds = GetCellDisplayRectangle (hitTest.ColumnIndex, hitTest.RowIndex, false);
4251                                 OnCellMouseDown (new DataGridViewCellMouseEventArgs (hitTest.ColumnIndex, hitTest.RowIndex, e.X - cellBounds.X, e.Y - cellBounds.Y, e));
4252                                 OnCellClick (new DataGridViewCellEventArgs (hitTest.ColumnIndex, hitTest.RowIndex));
4253                         }
4254
4255                         DoSelectionOnMouseDown (hitTest);
4256
4257                         if (hitTest.Type != DataGridViewHitTestType.Cell) {
4258                                 if (hitTest.Type == DataGridViewHitTestType.ColumnHeader)
4259                                         pressed_header_cell = columns [hitTest.ColumnIndex].HeaderCell;
4260                                 else if (hitTest.Type == DataGridViewHitTestType.RowHeader)
4261                                         pressed_header_cell = rows [hitTest.RowIndex].HeaderCell;
4262                                 Invalidate ();
4263                                 return;
4264                         }
4265
4266                         Invalidate();
4267                         return;
4268                 }
4269
4270                 private void UpdateBindingPosition (int position)
4271                 {
4272                         if (DataManager != null)
4273                                 DataManager.Position = position;
4274                 }
4275
4276                 protected override void OnMouseEnter (EventArgs e)
4277                 {
4278                         base.OnMouseEnter(e);
4279                 }
4280
4281                 protected override void OnMouseLeave (EventArgs e)
4282                 {
4283                         base.OnMouseLeave (e);
4284
4285                         if (hover_cell != null) {
4286                                 OnCellMouseLeave (new DataGridViewCellEventArgs (hover_cell.ColumnIndex, hover_cell.RowIndex));
4287                                 hover_cell = null;
4288                         }
4289
4290                         EnteredHeaderCell = null;
4291                 }
4292
4293                 protected override void OnMouseMove (MouseEventArgs e)
4294                 {
4295                         base.OnMouseMove (e);
4296
4297                         if (column_resize_active) {
4298                                 // Erase the old line
4299                                 DrawVerticalResizeLine (resize_band_start + resize_band_delta);
4300
4301                                 resize_band_delta = e.X - resize_band_start;
4302
4303                                 // Draw the new line
4304                                 DrawVerticalResizeLine (resize_band_start + resize_band_delta);
4305                                 return;
4306                         }
4307
4308                         if (row_resize_active) {
4309                                 // Erase the old line
4310                                 DrawHorizontalResizeLine (resize_band_start + resize_band_delta);
4311
4312                                 resize_band_delta = e.Y - resize_band_start;
4313
4314                                 // Draw the new line
4315                                 DrawHorizontalResizeLine (resize_band_start + resize_band_delta);
4316                                 return;
4317                         }
4318
4319                         Cursor new_cursor = Cursors.Default;
4320                         HitTestInfo hit = this.HitTest (e.X, e.Y);
4321
4322                         if (hit.Type == DataGridViewHitTestType.Cell) {
4323                                 EnteredHeaderCell = null;
4324
4325                                 DataGridViewCell new_cell = GetCellInternal (hit.ColumnIndex, hit.RowIndex);
4326
4327                                 // Check if we have moved into an error icon area
4328                                 Rectangle icon = new_cell.ErrorIconBounds;
4329
4330                                 if (!icon.IsEmpty) {
4331                                         Point loc = GetCellDisplayRectangle (hit.ColumnIndex, hit.RowIndex, false).Location;
4332
4333                                         icon.X += loc.X;
4334                                         icon.Y += loc.Y;
4335
4336                                         if (icon.Contains (e.X, e.Y)) {
4337                                                 if (tooltip_currently_showing != new_cell)
4338                                                         MouseEnteredErrorIcon (new_cell);
4339                                         } else
4340                                                 MouseLeftErrorIcon (new_cell);
4341                                 }
4342
4343                                 // We have never been in a cell before
4344                                 if (hover_cell == null) {
4345                                         hover_cell = new_cell;
4346                                         OnCellMouseEnter (new DataGridViewCellEventArgs (hit.ColumnIndex, hit.RowIndex));
4347
4348                                         Rectangle display = GetCellDisplayRectangle (hit.ColumnIndex, hit.RowIndex, false);
4349                                         OnCellMouseMove (new DataGridViewCellMouseEventArgs (hit.ColumnIndex, hit.RowIndex, e.X - display.X, e.Y - display.Y, e));
4350
4351                                         return;
4352                                 }
4353
4354                                 // Were we already in this cell?
4355                                 if (hover_cell.RowIndex == hit.RowIndex && hover_cell.ColumnIndex == hit.ColumnIndex) {
4356                                         Rectangle display = GetCellDisplayRectangle (hit.ColumnIndex, hit.RowIndex, false);
4357                                         OnCellMouseMove (new DataGridViewCellMouseEventArgs (hit.ColumnIndex, hit.RowIndex, e.X - display.X, e.Y - display.Y, e));
4358
4359                                         return;
4360                                 }
4361
4362                                 // We are changing cells
4363                                 OnCellMouseLeave (new DataGridViewCellEventArgs (hover_cell.ColumnIndex, hover_cell.RowIndex));
4364
4365                                 hover_cell = new_cell;
4366
4367                                 OnCellMouseEnter (new DataGridViewCellEventArgs (hit.ColumnIndex, hit.RowIndex));
4368
4369                                 Rectangle display2 = GetCellDisplayRectangle (hit.ColumnIndex, hit.RowIndex, false);
4370                                 OnCellMouseMove (new DataGridViewCellMouseEventArgs (hit.ColumnIndex, hit.RowIndex, e.X - display2.X, e.Y - display2.Y, e));
4371
4372                                 return;
4373                         } else if (hit.Type == DataGridViewHitTestType.RowHeader) {
4374                                 DataGridViewRowHeaderCell new_cell = Rows[hit.RowIndex].HeaderCell;
4375
4376                                 EnteredHeaderCell = new_cell;
4377
4378                                 if (MouseOverRowResize (hit.RowIndex, e.Y))
4379                                         new_cursor = Cursors.HSplit;
4380
4381                                 // Check if we have moved into an error icon area
4382                                 Rectangle icon = new_cell.InternalErrorIconsBounds;
4383
4384                                 if (!icon.IsEmpty) {
4385                                         Point loc = GetCellDisplayRectangle (0, hit.RowIndex, false).Location;
4386
4387                                         icon.X += BorderWidth;
4388                                         icon.Y += loc.Y;
4389
4390                                         if (icon.Contains (e.X, e.Y)) {
4391                                                 if (tooltip_currently_showing != new_cell)
4392                                                         MouseEnteredErrorIcon (new_cell);
4393                                         } else
4394                                                 MouseLeftErrorIcon (new_cell);
4395                                 }
4396                         } else if (hit.Type == DataGridViewHitTestType.TopLeftHeader) {
4397                                 EnteredHeaderCell = null;
4398
4399                                 DataGridViewTopLeftHeaderCell new_cell = (DataGridViewTopLeftHeaderCell)TopLeftHeaderCell;
4400
4401                                 // Check if we have moved into an error icon area
4402                                 Rectangle icon = new_cell.InternalErrorIconsBounds;
4403
4404                                 if (!icon.IsEmpty) {
4405                                         Point loc = Point.Empty;
4406
4407                                         icon.X += BorderWidth;
4408                                         icon.Y += loc.Y;
4409
4410                                         if (icon.Contains (e.X, e.Y)) {
4411                                                 if (tooltip_currently_showing != new_cell)
4412                                                         MouseEnteredErrorIcon (new_cell);
4413                                         } else
4414                                                 MouseLeftErrorIcon (new_cell);
4415                                 }
4416
4417                         } else {
4418                                 if (hit.Type == DataGridViewHitTestType.ColumnHeader) {
4419                                         EnteredHeaderCell = Columns [hit.ColumnIndex].HeaderCell;
4420
4421                                         if (MouseOverColumnResize (hit.ColumnIndex, e.X))
4422                                                 new_cursor = Cursors.VSplit;
4423                                 } else
4424                                         EnteredHeaderCell = null;
4425
4426                                 // We have left the cell area
4427                                 if (hover_cell != null) {
4428                                         OnCellMouseLeave (new DataGridViewCellEventArgs (hover_cell.ColumnIndex, hover_cell.RowIndex));
4429                                         hover_cell = null;
4430                                 }
4431                         }
4432
4433                         Cursor = new_cursor;
4434                 }
4435
4436                 protected override void OnMouseUp (MouseEventArgs e)
4437                 {
4438                         base.OnMouseUp(e);
4439
4440                         if (column_resize_active) {
4441                                 column_resize_active = false;
4442
4443                                 if (resize_band_delta + Columns[resize_band].Width < 0)
4444                                         resize_band_delta = -Columns[resize_band].Width;
4445
4446                                 Columns[resize_band].Width = Math.Max (resize_band_delta + Columns[resize_band].Width, Columns[resize_band].MinimumWidth);
4447                                 Invalidate ();
4448                                 return;
4449                         }
4450
4451                         if (row_resize_active) {
4452                                 row_resize_active = false;
4453
4454                                 if (resize_band_delta + Rows[resize_band].Height < 0)
4455                                         resize_band_delta = -Rows[resize_band].Height;
4456
4457                                 Rows[resize_band].Height = Math.Max (resize_band_delta + Rows[resize_band].Height, Rows[resize_band].MinimumHeight);
4458                                 Invalidate ();
4459                                 return;
4460                         }
4461
4462                         HitTestInfo hit = this.HitTest (e.X, e.Y);
4463
4464                         if (hit.Type == DataGridViewHitTestType.Cell) {
4465                                 Rectangle display = GetCellDisplayRectangle (hit.ColumnIndex, hit.RowIndex, false);
4466                                 OnCellMouseUp (new DataGridViewCellMouseEventArgs (hit.ColumnIndex, hit.RowIndex, e.X - display.X, e.Y - display.Y, e));
4467                         }
4468
4469                         if (pressed_header_cell != null) {
4470                                 DataGridViewHeaderCell cell = pressed_header_cell;
4471                                 pressed_header_cell = null;
4472                                 if (ThemeEngine.Current.DataGridViewHeaderCellHasPressedStyle (this))
4473                                         Invalidate (GetHeaderCellBounds (cell));
4474                         }
4475                 }
4476
4477                 protected override void OnMouseWheel (MouseEventArgs e)
4478                 {
4479                         base.OnMouseWheel(e);
4480                 }
4481
4482                 protected virtual void OnMultiSelectChanged (EventArgs e)
4483                 {
4484                         EventHandler eh = (EventHandler)(Events [MultiSelectChangedEvent]);
4485                         if (eh != null) eh (this, e);
4486                 }
4487
4488                 protected virtual void OnNewRowNeeded (DataGridViewRowEventArgs e) {
4489                         DataGridViewRowEventHandler eh = (DataGridViewRowEventHandler)(Events [NewRowNeededEvent]);
4490                         if (eh != null) eh (this, e);
4491                 }
4492
4493                 int first_row_index = 0;
4494                 internal int first_col_index = 0;
4495
4496                 protected override void OnPaint (PaintEventArgs e)
4497                 {
4498                         base.OnPaint(e);
4499
4500                         Graphics g = e.Graphics;
4501                         Rectangle bounds = ClientRectangle;
4502
4503                         // Paint the background
4504                         PaintBackground (g, e.ClipRectangle, bounds);
4505
4506                         List<DataGridViewColumn> sortedColumns = columns.ColumnDisplayIndexSortedArrayList;
4507
4508                         // Take borders into account
4509                         bounds.Inflate (-BorderWidth, -BorderWidth);
4510
4511                         // Paint the top left cell
4512                         if (rowHeadersVisible && columnHeadersVisible && ColumnCount > 0) {
4513                                 Rectangle topleftbounds = new Rectangle (bounds.X, bounds.Y, rowHeadersWidth, columnHeadersHeight);
4514
4515                                 TopLeftHeaderCell.PaintWork (g, e.ClipRectangle, topleftbounds, -1, TopLeftHeaderCell.State, ColumnHeadersDefaultCellStyle, AdvancedColumnHeadersBorderStyle, DataGridViewPaintParts.All);
4516                         }
4517
4518                         // Paint the column headers
4519                         if (columnHeadersVisible) {
4520                                 Rectangle headerBounds = bounds;
4521                                 headerBounds.Height = columnHeadersHeight;
4522
4523                                 if (rowHeadersVisible)
4524                                         headerBounds.X += rowHeadersWidth;
4525
4526                                 for (int index = first_col_index; index < sortedColumns.Count; index++) {
4527                                         DataGridViewColumn col = sortedColumns[index];
4528
4529                                         if (!col.Visible)
4530                                                 continue;
4531
4532                                         headerBounds.Width = col.Width;
4533                                         DataGridViewCell cell = col.HeaderCell;
4534
4535                                         DataGridViewAdvancedBorderStyle intermediateBorderStyle = (DataGridViewAdvancedBorderStyle)((ICloneable)this.AdvancedColumnHeadersBorderStyle).Clone ();
4536                                         DataGridViewAdvancedBorderStyle borderStyle = AdjustColumnHeaderBorderStyle (this.AdvancedColumnHeadersBorderStyle, intermediateBorderStyle, cell.ColumnIndex == 0, cell.ColumnIndex == columns.Count - 1);
4537
4538                                         cell.PaintWork (g, e.ClipRectangle, headerBounds, -1, cell.State, cell.InheritedStyle, borderStyle, DataGridViewPaintParts.All);
4539
4540                                         headerBounds.X += col.Width;
4541                                 }
4542
4543                                 bounds.Y += columnHeadersHeight;
4544                         }
4545
4546                         gridWidth = rowHeadersVisible ? rowHeadersWidth : 0;
4547                         gridHeight = 0;
4548
4549                         int first_row_height = Rows.Count > 0 ? Rows[Math.Min (Rows.Count - 1, first_row_index)].Height : 0;
4550 //                      int room_left = this.Height;
4551
4552                         // Reset all columns to !Displayed
4553                         for (int i = 0; i < Columns.Count; i++)
4554                                 Columns[i].DisplayedInternal = false;
4555
4556                         // Set Displayed columns
4557                         for (int i = first_col_index; i < Columns.Count; i++) {
4558                                 DataGridViewColumn col = Columns.ColumnDisplayIndexSortedArrayList[i];
4559
4560                                 if (!col.Visible)
4561                                         continue;
4562
4563                                 col.DisplayedInternal = true;
4564                                 gridWidth += col.Width;
4565
4566                                 if (gridWidth >= Width)
4567                                         break;
4568                         }
4569
4570                         // Reset all rows to !Displayed
4571                         for (int i = 0; i < Rows.Count; i++)
4572                                 GetRowInternal (i).DisplayedInternal = false;
4573
4574                         // Draw rows
4575                         for (int index = first_row_index; index < Rows.Count; index++) {
4576                                 DataGridViewRow row = Rows[index];
4577                                 GetRowInternal (index).DisplayedInternal = true;
4578
4579                                 bounds.Height = row.Height;
4580                                 bool is_first = row.Index == 0;
4581                                 bool is_last = row.Index == rows.Count - 1;
4582
4583                                 row.Paint (g, e.ClipRectangle, bounds, row.Index, row.GetState (row.Index), is_first, is_last);
4584
4585                                 bounds.Y += bounds.Height;
4586                                 bounds.X = BorderWidth;
4587
4588                                 if (bounds.Y >= ClientSize.Height - (horizontalScrollBar.Visible ? horizontalScrollBar.Height : 0))
4589                                         break;
4590
4591                                 gridHeight += row.Height;
4592                         }
4593
4594                         gridWidth = 0;
4595
4596                         foreach (DataGridViewColumn col in sortedColumns)
4597                                 if (col.Visible)
4598                                         gridWidth += col.Width;
4599
4600                         gridHeight = 0;
4601
4602                         foreach (DataGridViewRow row in Rows)
4603                                 gridHeight += row.Height;
4604
4605                         if (rowHeadersVisible)
4606                                 gridWidth += rowHeadersWidth;
4607
4608                         if (columnHeadersVisible)
4609                                 gridHeight += columnHeadersHeight;
4610
4611                         bool horizontalVisible = false;
4612                         bool verticalVisible = false;
4613
4614                         if (AutoSize) {
4615                                 if (gridWidth > Size.Width || gridHeight > Size.Height) {
4616                                         Size = new Size(gridWidth, gridHeight);
4617                                 }
4618                         }
4619                         else {
4620                                 if (gridWidth > Size.Width) {
4621                                         horizontalVisible = true;
4622                                 }
4623                                 if (gridHeight > Size.Height) {
4624                                         verticalVisible = true;
4625                                 }
4626                                 if (horizontalScrollBar.Visible && (gridHeight + horizontalScrollBar.Height) > Size.Height) {
4627                                         verticalVisible = true;
4628                                 }
4629                                 if (verticalScrollBar.Visible && (gridWidth + verticalScrollBar.Width) > Size.Width) {
4630                                         horizontalVisible = true;
4631                                 }
4632                                 if (horizontalVisible) {
4633                                         horizontalScrollBar.Minimum = 0;
4634                                         horizontalScrollBar.Maximum = gridWidth;
4635                                         horizontalScrollBar.SmallChange = Columns[first_col_index].Width;
4636                                         int largeChange = ClientSize.Width - rowHeadersWidth;
4637                                         if (largeChange <= 0)
4638                                                 largeChange = ClientSize.Width;
4639                                         horizontalScrollBar.LargeChange = largeChange;
4640                                 }
4641                                 if (verticalVisible) {
4642                                         verticalScrollBar.Minimum = 0;
4643                                         verticalScrollBar.Maximum = gridHeight;
4644                                         verticalScrollBar.SmallChange = first_row_height + 1;
4645                                         int largeChange = ClientSize.Height - columnHeadersHeight;
4646                                         if (largeChange <= 0)
4647                                                 largeChange = ClientSize.Height;
4648                                         verticalScrollBar.LargeChange = largeChange;
4649                                 }
4650                         }
4651
4652                         horizontalScrollBar.Visible = horizontalVisible;
4653                         verticalScrollBar.Visible = verticalVisible;
4654
4655                         // Paint the bottom right square if both scrollbars are displayed
4656                         if (horizontalScrollBar.Visible && verticalScrollBar.Visible)
4657                                 g.FillRectangle (SystemBrushes.Control, new Rectangle (horizontalScrollBar.Right, verticalScrollBar.Bottom, verticalScrollBar.Width, horizontalScrollBar.Height));
4658
4659                         // Paint the border
4660                         bounds = ClientRectangle;
4661
4662                         switch (BorderStyle) {
4663                                 case BorderStyle.FixedSingle:
4664                                         g.DrawRectangle (Pens.Black, new Rectangle (bounds.Left, bounds.Top, bounds.Width - 1, bounds.Height - 1));
4665                                         break;
4666                                 case BorderStyle.Fixed3D:
4667                                         ControlPaint.DrawBorder3D (g, bounds, Border3DStyle.Sunken);
4668                                         break;
4669                         }
4670                 }
4671
4672                 protected virtual void OnReadOnlyChanged (EventArgs e) {
4673                         EventHandler eh = (EventHandler)(Events [ReadOnlyChangedEvent]);
4674                         if (eh != null)
4675                                 eh (this, e);
4676                 }
4677
4678                 protected override void OnResize (EventArgs e) {
4679                         base.OnResize(e);
4680                         AutoResizeColumnsInternal ();
4681
4682                         OnVScrollBarScroll (this, new ScrollEventArgs (ScrollEventType.ThumbPosition, verticalScrollBar.Value));
4683                         OnHScrollBarScroll (this, new ScrollEventArgs (ScrollEventType.ThumbPosition, horizontalScrollBar.Value));
4684                 }
4685
4686                 protected override void OnRightToLeftChanged (EventArgs e) {
4687                         base.OnRightToLeftChanged(e);
4688                 }
4689
4690                 // In MSDN2 documentation there's no internal here
4691                 protected internal virtual void OnRowContextMenuStripChanged (DataGridViewRowEventArgs e)
4692                 {
4693                         DataGridViewRowEventHandler eh = (DataGridViewRowEventHandler)(Events [RowContextMenuStripChangedEvent]);
4694                         if (eh != null) eh (this, e);
4695                 }
4696
4697                 protected virtual void OnRowContextMenuStripNeeded (DataGridViewRowContextMenuStripNeededEventArgs e)
4698                 {
4699                         DataGridViewRowContextMenuStripNeededEventHandler eh = (DataGridViewRowContextMenuStripNeededEventHandler)(Events [RowContextMenuStripNeededEvent]);
4700                         if (eh != null) eh (this, e);
4701                 }
4702
4703                 protected internal virtual void OnRowDefaultCellStyleChanged (DataGridViewRowEventArgs e)
4704                 {
4705                         DataGridViewRowEventHandler eh = (DataGridViewRowEventHandler)(Events [RowDefaultCellStyleChangedEvent]);
4706                         if (eh != null) eh (this, e);
4707                 }
4708
4709                 protected virtual void OnRowDirtyStateNeeded (QuestionEventArgs e)
4710                 {
4711                         QuestionEventHandler eh = (QuestionEventHandler)(Events [RowDirtyStateNeededEvent]);
4712                         if (eh != null) eh (this, e);
4713                 }
4714
4715                 protected virtual void OnRowDividerDoubleClick (DataGridViewRowDividerDoubleClickEventArgs e)
4716                 {
4717                         DataGridViewRowDividerDoubleClickEventHandler eh = (DataGridViewRowDividerDoubleClickEventHandler)(Events [RowDividerDoubleClickEvent]);
4718                         if (eh != null) eh (this, e);
4719                 }
4720
4721                 protected virtual void OnRowDividerHeightChanged (DataGridViewRowEventArgs e)
4722                 {
4723                         DataGridViewRowEventHandler eh = (DataGridViewRowEventHandler)(Events [RowDividerHeightChangedEvent]);
4724                         if (eh != null) eh (this, e);
4725                 }
4726
4727                 protected virtual void OnRowEnter (DataGridViewCellEventArgs e)
4728                 {
4729                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [RowEnterEvent]);
4730                         if (eh != null) eh (this, e);
4731                 }
4732
4733                 protected internal virtual void OnRowErrorTextChanged (DataGridViewRowEventArgs e)
4734                 {
4735                         DataGridViewRowEventHandler eh = (DataGridViewRowEventHandler)(Events [RowErrorTextChangedEvent]);
4736                         if (eh != null) eh (this, e);
4737                 }
4738
4739                 protected virtual void OnRowErrorTextNeeded (DataGridViewRowErrorTextNeededEventArgs e)
4740                 {
4741                         DataGridViewRowErrorTextNeededEventHandler eh = (DataGridViewRowErrorTextNeededEventHandler)(Events [RowErrorTextNeededEvent]);
4742                         if (eh != null) eh (this, e);
4743                 }
4744
4745                 protected internal virtual void OnRowHeaderCellChanged (DataGridViewRowEventArgs e)
4746                 {
4747                         DataGridViewRowEventHandler eh = (DataGridViewRowEventHandler)(Events [RowHeaderCellChangedEvent]);
4748                         if (eh != null) eh (this, e);
4749                 }
4750
4751                 protected virtual void OnRowHeaderMouseClick (DataGridViewCellMouseEventArgs e)
4752                 {
4753                         DataGridViewCellMouseEventHandler eh = (DataGridViewCellMouseEventHandler)(Events [RowHeaderMouseClickEvent]);
4754                         if (eh != null) eh (this, e);
4755                 }
4756
4757                 protected virtual void OnRowHeaderMouseDoubleClick (DataGridViewCellMouseEventArgs e)
4758                 {
4759                         DataGridViewCellMouseEventHandler eh = (DataGridViewCellMouseEventHandler)(Events [RowHeaderMouseDoubleClickEvent]);
4760                         if (eh != null) eh (this, e);
4761                 }
4762
4763                 protected virtual void OnRowHeadersBorderStyleChanged (EventArgs e)
4764                 {
4765                         EventHandler eh = (EventHandler)(Events [RowHeadersBorderStyleChangedEvent]);
4766                         if (eh != null) eh (this, e);
4767                 }
4768
4769                 protected virtual void OnRowHeadersDefaultCellStyleChanged (EventArgs e)
4770                 {
4771                         EventHandler eh = (EventHandler)(Events [RowHeadersDefaultCellStyleChangedEvent]);
4772                         if (eh != null) eh (this, e);
4773                 }
4774
4775                 protected virtual void OnRowHeadersWidthChanged (EventArgs e)
4776                 {
4777                         EventHandler eh = (EventHandler)(Events [RowHeadersWidthChangedEvent]);
4778                         if (eh != null) eh (this, e);
4779                 }
4780
4781                 protected virtual void OnRowHeadersWidthSizeModeChanged (DataGridViewAutoSizeModeEventArgs e)
4782                 {
4783                         DataGridViewAutoSizeModeEventHandler eh = (DataGridViewAutoSizeModeEventHandler)(Events [RowHeadersWidthSizeModeChangedEvent]);
4784                         if (eh != null) eh (this, e);
4785                 }
4786
4787                 protected internal virtual void OnRowHeightChanged (DataGridViewRowEventArgs e)
4788                 {
4789                         DataGridViewRowEventHandler eh = (DataGridViewRowEventHandler)(Events [RowHeightChangedEvent]);
4790                         if (eh != null) eh (this, e);
4791                 }
4792
4793                 protected virtual void OnRowHeightInfoNeeded (DataGridViewRowHeightInfoNeededEventArgs e)
4794                 {
4795                         DataGridViewRowHeightInfoNeededEventHandler eh = (DataGridViewRowHeightInfoNeededEventHandler)(Events [RowHeightInfoNeededEvent]);
4796                         if (eh != null) eh (this, e);
4797                 }
4798
4799                 protected virtual void OnRowHeightInfoPushed (DataGridViewRowHeightInfoPushedEventArgs e)
4800                 {
4801                         DataGridViewRowHeightInfoPushedEventHandler eh = (DataGridViewRowHeightInfoPushedEventHandler)(Events [RowHeightInfoPushedEvent]);
4802                         if (eh != null) eh (this, e);
4803                 }
4804
4805                 protected virtual void OnRowLeave (DataGridViewCellEventArgs e)
4806                 {
4807                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [RowLeaveEvent]);
4808                         if (eh != null) eh (this, e);
4809                 }
4810
4811                 protected internal virtual void OnRowMinimumHeightChanged (DataGridViewRowEventArgs e)
4812                 {
4813                         DataGridViewRowEventHandler eh = (DataGridViewRowEventHandler)(Events [RowMinimumHeightChangedEvent]);
4814                         if (eh != null) eh (this, e);
4815                 }
4816
4817                 protected internal virtual void OnRowPostPaint (DataGridViewRowPostPaintEventArgs e)
4818                 {
4819                         DataGridViewRowPostPaintEventHandler eh = (DataGridViewRowPostPaintEventHandler)(Events [RowPostPaintEvent]);
4820                         if (eh != null) eh (this, e);
4821                 }
4822
4823                 protected internal virtual void OnRowPrePaint (DataGridViewRowPrePaintEventArgs e)
4824                 {
4825                         DataGridViewRowPrePaintEventHandler eh = (DataGridViewRowPrePaintEventHandler)(Events [RowPrePaintEvent]);
4826                         if (eh != null) eh (this, e);
4827                 }
4828
4829                 internal void OnRowsAddedInternal (DataGridViewRowsAddedEventArgs e)
4830                 {
4831                         // if the very first row has just been added
4832                         if (Rows.Count == 1 && Columns.Count > 0)
4833                                 MoveCurrentCell (0, 0, true, false, false, true);
4834                         AutoResizeColumnsInternal ();
4835                         Invalidate ();
4836                         OnRowsAdded (e);
4837                 }
4838
4839                 protected internal virtual void OnRowsAdded (DataGridViewRowsAddedEventArgs e)
4840                 {
4841                         DataGridViewRowsAddedEventHandler eh = (DataGridViewRowsAddedEventHandler)(Events [RowsAddedEvent]);
4842                         if (eh != null) eh (this, e);
4843                 }
4844
4845                 protected virtual void OnRowsDefaultCellStyleChanged (EventArgs e)
4846                 {
4847                         EventHandler eh = (EventHandler)(Events [RowsDefaultCellStyleChangedEvent]);
4848                         if (eh != null) eh (this, e);
4849                 }
4850
4851                 internal void OnRowsRemovedInternal (DataGridViewRowsRemovedEventArgs e)
4852                 {
4853                         if (selected_rows != null)
4854                                 selected_rows.InternalClear ();
4855                         if (selected_columns != null)
4856                                 selected_columns.InternalClear ();
4857
4858                         if (Rows.Count == 0) {
4859                                 MoveCurrentCell (-1, -1, true, false, false, true);
4860                         } else if (Columns.Count == 0) {
4861                                 MoveCurrentCell (-1, -1, true, false, false, true);
4862                         } else {
4863                                 int nextRowIndex = e.RowIndex;
4864                                 if (nextRowIndex >= Rows.Count)
4865                                         nextRowIndex = Rows.Count - 1;
4866                                 MoveCurrentCell (currentCell != null ? currentCell.ColumnIndex : 0, nextRowIndex,
4867                                                  true, false, false, true);
4868                         }
4869
4870                         Invalidate ();
4871                         OnRowsRemoved (e);
4872                 }
4873
4874                 protected virtual void OnRowsRemoved (DataGridViewRowsRemovedEventArgs e)
4875                 {
4876                         DataGridViewRowsRemovedEventHandler eh = (DataGridViewRowsRemovedEventHandler)(Events [RowsRemovedEvent]);
4877                         if (eh != null) eh (this, e);
4878                 }
4879
4880                 protected internal virtual void OnRowStateChanged (int rowIndex, DataGridViewRowStateChangedEventArgs e)
4881                 {
4882                         DataGridViewRowStateChangedEventHandler eh = (DataGridViewRowStateChangedEventHandler)(Events [RowStateChangedEvent]);
4883                         if (eh != null) eh (this, e);
4884                 }
4885
4886                 protected virtual void OnRowUnshared (DataGridViewRowEventArgs e)
4887                 {
4888                         DataGridViewRowEventHandler eh = (DataGridViewRowEventHandler)(Events [RowUnsharedEvent]);
4889                         if (eh != null) eh (this, e);
4890                 }
4891
4892                 protected virtual void OnRowValidated (DataGridViewCellEventArgs e)
4893                 {
4894                         DataGridViewCellEventHandler eh = (DataGridViewCellEventHandler)(Events [RowValidatedEvent]);
4895                         if (eh != null) eh (this, e);
4896                 }
4897
4898                 protected virtual void OnRowValidating (DataGridViewCellCancelEventArgs e)
4899                 {
4900                         DataGridViewCellCancelEventHandler eh = (DataGridViewCellCancelEventHandler)(Events [RowValidatingEvent]);
4901                         if (eh != null) eh (this, e);
4902                 }
4903
4904                 protected virtual void OnScroll (ScrollEventArgs e)
4905                 {
4906                         ScrollEventHandler eh = (ScrollEventHandler)(Events [ScrollEvent]);
4907                         if (eh != null) eh (this, e);
4908                 }
4909
4910                 protected virtual void OnSelectionChanged (EventArgs e)
4911                 {
4912                         EventHandler eh = (EventHandler)(Events [SelectionChangedEvent]);
4913                         if (eh != null) eh (this, e);
4914                 }
4915
4916                 protected virtual void OnSortCompare (DataGridViewSortCompareEventArgs e) {
4917                         DataGridViewSortCompareEventHandler eh = (DataGridViewSortCompareEventHandler)(Events [SortCompareEvent]);
4918                         if (eh != null) eh (this, e);
4919                 }
4920
4921                 protected virtual void OnSorted (EventArgs e)
4922                 {
4923                         EventHandler eh = (EventHandler)(Events [SortedEvent]);
4924                         if (eh != null) eh (this, e);
4925                 }
4926
4927                 protected virtual void OnUserAddedRow (DataGridViewRowEventArgs e)
4928                 {
4929                         PrepareEditingRow (false, false);
4930
4931                         new_row_editing = true;
4932                         if (DataManager != null) {
4933                                 // Switch the current editing row with a real one
4934                                 if (editing_row != null) {
4935                                         Rows.RemoveInternal (editing_row);
4936                                         editing_row = null;
4937                                 }
4938                                 DataManager.AddNew (); // will raise OnListPositionChanged
4939                         }
4940
4941                         e = new DataGridViewRowEventArgs (Rows[NewRowIndex]);
4942                         DataGridViewRowEventHandler eh = (DataGridViewRowEventHandler)(Events [UserAddedRowEvent]);
4943                         if (eh != null) eh (this, e);
4944                 }
4945
4946                 protected virtual void OnUserDeletedRow (DataGridViewRowEventArgs e)
4947                 {
4948                         DataGridViewRowEventHandler eh = (DataGridViewRowEventHandler)(Events [UserDeletedRowEvent]);
4949                         if (eh != null) eh (this, e);
4950                 }
4951
4952                 protected virtual void OnUserDeletingRow (DataGridViewRowCancelEventArgs e)
4953                 {
4954                         DataGridViewRowCancelEventHandler eh = (DataGridViewRowCancelEventHandler)(Events [UserDeletingRowEvent]);
4955                         if (eh != null) eh (this, e);
4956                 }
4957
4958                 protected override void OnValidating (CancelEventArgs e)
4959                 {
4960                         base.OnValidating(e);
4961                 }
4962
4963                 protected override void OnVisibleChanged (EventArgs e)
4964                 {
4965                         base.OnVisibleChanged(e);
4966                 }
4967
4968                 protected virtual void PaintBackground (Graphics graphics, Rectangle clipBounds, Rectangle gridBounds)
4969                 {
4970                         graphics.FillRectangle (ThemeEngine.Current.ResPool.GetSolidBrush (backgroundColor), gridBounds);
4971                 }
4972
4973                 protected bool ProcessAKey (Keys keyData)
4974                 {
4975                         if (!MultiSelect)
4976                                 return false;
4977
4978                         if ((keyData & Keys.Control) == Keys.Control) {
4979                                 SelectAll ();
4980                                 return true;
4981                         }
4982
4983                         return false;
4984                 }
4985
4986                 protected virtual bool ProcessDataGridViewKey (KeyEventArgs e)
4987                 {
4988                         switch (e.KeyData & ~Keys.Modifiers) {
4989                                 case Keys.A:
4990                                         return ProcessAKey (e.KeyData);
4991                                 case Keys.Delete:
4992                                         return ProcessDeleteKey (e.KeyData);
4993                                 case Keys.Down:
4994                                         return ProcessDownKey (e.KeyData);
4995                                 case Keys.Escape:
4996                                         return ProcessEscapeKey (e.KeyData);
4997                                 case Keys.End:
4998                                         return ProcessEndKey (e.KeyData);
4999                                 case Keys.Enter:
5000                                         return ProcessEnterKey (e.KeyData);
5001                                 case Keys.F2:
5002                                         return ProcessF2Key (e.KeyData);
5003                                 case Keys.Home:
5004                                         return ProcessHomeKey (e.KeyData);
5005                                 case Keys.Left:
5006                                         return ProcessLeftKey (e.KeyData);
5007                                 case Keys.Next:
5008                                         return ProcessNextKey (e.KeyData);
5009                                 case Keys.Prior:
5010                                         return ProcessPriorKey (e.KeyData);
5011                                 case Keys.Right:
5012                                         return ProcessRightKey (e.KeyData);
5013                                 case Keys.Space:
5014                                         return ProcessSpaceKey (e.KeyData);
5015                                 case Keys.Tab:
5016                                         return ProcessTabKey (e.KeyData);
5017                                 case Keys.Up:
5018                                         return ProcessUpKey (e.KeyData);
5019                                 case Keys.D0:
5020                                 case Keys.NumPad0:
5021                                         return ProcessZeroKey (e.KeyData);
5022                         }
5023
5024                         return false;
5025                 }
5026
5027                 protected bool ProcessDeleteKey (Keys keyData)
5028                 {
5029                         if (!allowUserToDeleteRows || SelectedRows.Count == 0)
5030                                 return false;
5031
5032                         int index = Math.Max (selected_row - SelectedRows.Count + 1, 0);
5033
5034                         for (int i = SelectedRows.Count - 1; i >= 0; i--) {
5035                                 DataGridViewRow row = SelectedRows[i];
5036
5037                                 if (row.IsNewRow)
5038                                         continue;
5039
5040                                 if (hover_cell != null && hover_cell.OwningRow == row)
5041                                         hover_cell = null;
5042
5043                                 if (DataSource != null && DataSource is DataSet)
5044                                         (DataSource as DataSet).Tables[dataMember].Rows.RemoveAt (row.Index);
5045                                 else
5046                                         Rows.RemoveAt (row.Index);
5047                         }
5048
5049                         return true;
5050                 }
5051
5052                 protected override bool ProcessDialogKey (Keys keyData)
5053                 {
5054                         switch (keyData) {
5055                                 case Keys.Tab:
5056                                 case Keys.Shift | Keys.Tab:
5057                                         if (standardTab)
5058                                                 return base.ProcessDialogKey (keyData & ~Keys.Control);
5059
5060                                         if (ProcessDataGridViewKey (new KeyEventArgs (keyData)))
5061                                                 return true;
5062
5063                                         break;
5064                                 case Keys.Control | Keys.Tab:
5065                                 case Keys.Control | Keys.Shift | Keys.Tab:
5066                                         if (!standardTab)
5067                                                 return base.ProcessDialogKey (keyData & ~Keys.Control);
5068
5069                                         if (ProcessDataGridViewKey (new KeyEventArgs (keyData)))
5070                                                 return true;
5071
5072                                         break;
5073                                 case Keys.Enter:
5074                                 case Keys.Escape:
5075                                         if (ProcessDataGridViewKey (new KeyEventArgs (keyData)))
5076                                                 return true;
5077
5078                                         break;
5079                         }
5080
5081                         return base.ProcessDialogKey(keyData);
5082                 }
5083
5084                 protected bool ProcessDownKey (Keys keyData)
5085                 {
5086                         int current_row = CurrentCellAddress.Y;
5087
5088                         if (current_row < Rows.Count - 1) {
5089                                 // Move to the last cell in the column
5090                                 if ((keyData & Keys.Control) == Keys.Control)
5091                                         MoveCurrentCell (CurrentCellAddress.X, Rows.Count - 1, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
5092                                 // Move one cell down
5093                                 else
5094                                         MoveCurrentCell (CurrentCellAddress.X, current_row + 1, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
5095
5096                                 return true;
5097                         }
5098
5099                         return false;
5100                 }
5101
5102                 protected bool ProcessEndKey (Keys keyData)
5103                 {
5104                         int disp_index = ColumnIndexToDisplayIndex (currentCellAddress.X);
5105
5106                         // Move to the last cell in the control
5107                         if ((keyData & Keys.Control) == Keys.Control) {
5108                                 MoveCurrentCell (ColumnDisplayIndexToIndex (Columns.Count - 1), Rows.Count - 1, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
5109                                 return true;
5110                         }
5111
5112                         // Move to the last cell in the row
5113                         if (disp_index < Columns.Count - 1) {
5114                                 MoveCurrentCell (ColumnDisplayIndexToIndex (Columns.Count - 1), currentCellAddress.Y, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
5115                                 return true;
5116                         }
5117
5118                         return false;
5119                 }
5120
5121                 protected bool ProcessEnterKey (Keys keyData)
5122                 {
5123                         if (ProcessDownKey (keyData))
5124                                 return true;
5125
5126                         // ProcessDown may fail if we are on the last row,
5127                         // but Enter should still EndEdit if this is the last row
5128                         EndEdit ();
5129                         return true;
5130                 }
5131
5132                 protected bool ProcessEscapeKey (Keys keyData)
5133                 {
5134                         if (!IsCurrentCellInEditMode)
5135                                 return false;
5136
5137                         CancelEdit ();
5138                         return true;
5139                 }
5140
5141                 protected bool ProcessF2Key (Keys keyData)
5142                 {
5143                         if (editMode == DataGridViewEditMode.EditOnF2 || editMode == DataGridViewEditMode.EditOnKeystrokeOrF2) {
5144                                 BeginEdit (true);
5145                                 return true;
5146                         }
5147
5148                         return false;
5149                 }
5150
5151                 protected bool ProcessHomeKey (Keys keyData)
5152                 {
5153                         int disp_index = ColumnIndexToDisplayIndex (currentCellAddress.X);
5154
5155                         // Move to the first cell in the control
5156                         if ((keyData & Keys.Control) == Keys.Control) {
5157                                 MoveCurrentCell (ColumnDisplayIndexToIndex (0), 0, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
5158                                 return true;
5159                         }
5160
5161                         // Move to the first cell in the row
5162                         if (disp_index > 0) {
5163                                 MoveCurrentCell (ColumnDisplayIndexToIndex (0), currentCellAddress.Y, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
5164                                 return true;
5165                         }
5166
5167                         return false;
5168                 }
5169
5170                 [MonoTODO ("What does insert do?")]
5171                 protected bool ProcessInsertKey (Keys keyData)
5172                 {
5173                         return false;
5174                 }
5175
5176                 protected override bool ProcessKeyEventArgs (ref Message m)
5177                 {
5178                         DataGridViewCell cell = CurrentCell;
5179
5180                         if (cell != null) {
5181                                 if (cell.KeyEntersEditMode (new KeyEventArgs ((Keys)m.WParam.ToInt32 ())))
5182                                         BeginEdit (true);
5183                                 if (EditingControl != null && (Msg)m.Msg == Msg.WM_KEYDOWN || (Msg)m.Msg == Msg.WM_CHAR)
5184                                         XplatUI.SendMessage (EditingControl.Handle, (Msg)m.Msg, m.WParam, m.LParam);
5185                         }
5186
5187                         return base.ProcessKeyEventArgs (ref m);
5188                 }
5189
5190                 protected override bool ProcessKeyPreview (ref Message m)
5191                 {
5192                         if ((Msg)m.Msg == Msg.WM_KEYDOWN && (IsCurrentCellInEditMode || m.HWnd == horizontalScrollBar.Handle || m.HWnd == verticalScrollBar.Handle)) {
5193                                 KeyEventArgs e = new KeyEventArgs ((Keys)m.WParam.ToInt32 ());
5194
5195                                 IDataGridViewEditingControl ctrl = (IDataGridViewEditingControl)EditingControlInternal;
5196
5197                                 if (ctrl != null)
5198                                         if (ctrl.EditingControlWantsInputKey (e.KeyData, false))
5199                                                 return false;
5200
5201                                 switch (e.KeyData) {
5202                                         case Keys.Escape:
5203                                         case Keys.Down:
5204                                         case Keys.Up:
5205                                         case Keys.Left:
5206                                         case Keys.Right:
5207                                         case Keys.Tab:
5208                                         case Keys.Prior:
5209                                         case Keys.Next:
5210                                                 return ProcessDataGridViewKey (e);
5211                                 }
5212                         }
5213
5214                         return base.ProcessKeyPreview (ref m);
5215                 }
5216
5217                 protected bool ProcessLeftKey (Keys keyData)
5218                 {
5219                         int disp_index = ColumnIndexToDisplayIndex (currentCellAddress.X);
5220
5221                         if (disp_index > 0) {
5222                                 // Move to the first cell in the row
5223                                 if ((keyData & Keys.Control) == Keys.Control)
5224                                         MoveCurrentCell (ColumnDisplayIndexToIndex (0), currentCellAddress.Y, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
5225                                 // Move one cell to the left
5226                                 else
5227                                         MoveCurrentCell (ColumnDisplayIndexToIndex (disp_index - 1), currentCellAddress.Y, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
5228
5229                                 return true;
5230                         }
5231
5232                         return false;
5233                 }
5234
5235                 // Page Down
5236                 protected bool ProcessNextKey (Keys keyData)
5237                 {
5238                         int current_row = CurrentCellAddress.Y;
5239
5240                         if (current_row < Rows.Count - 1) {
5241                                 // Move one "page" of cells down
5242                                 int new_row = Math.Min (Rows.Count - 1, current_row + DisplayedRowCount (false));
5243
5244                                 MoveCurrentCell (CurrentCellAddress.X, new_row, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
5245
5246                                 return true;
5247                         }
5248
5249                         return false;
5250                 }
5251
5252                 // Page Up
5253                 protected bool ProcessPriorKey (Keys keyData)
5254                 {
5255                         int current_row = CurrentCellAddress.Y;
5256
5257                         if (current_row > 0) {
5258                                 // Move one "page" of cells up
5259                                 int new_row = Math.Max (0, current_row - DisplayedRowCount (false));
5260
5261                                 MoveCurrentCell (CurrentCellAddress.X, new_row, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
5262
5263                                 return true;
5264                         }
5265
5266                         return false;
5267                 }
5268
5269                 protected bool ProcessRightKey (Keys keyData)
5270                 {
5271                         int disp_index = ColumnIndexToDisplayIndex (currentCellAddress.X);
5272
5273                         if (disp_index < Columns.Count - 1) {
5274                                 // Move to the last cell in the row
5275                                 if ((keyData & Keys.Control) == Keys.Control)
5276                                         MoveCurrentCell (ColumnDisplayIndexToIndex (Columns.Count - 1), currentCellAddress.Y, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
5277                                 // Move one cell to the right
5278                                 else
5279                                         MoveCurrentCell (ColumnDisplayIndexToIndex (disp_index + 1), currentCellAddress.Y, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
5280
5281                                 return true;
5282                         }
5283
5284                         return false;
5285                 }
5286
5287                 protected bool ProcessSpaceKey (Keys keyData)
5288                 {
5289                         if ((keyData & Keys.Shift) == Keys.Shift) {
5290                                 if (selectionMode == DataGridViewSelectionMode.RowHeaderSelect) {
5291                                         SetSelectedRowCore (CurrentCellAddress.Y, true);
5292                                         InvalidateRow (CurrentCellAddress.Y);
5293                                         return true;
5294                                 }
5295                                 if (selectionMode == DataGridViewSelectionMode.ColumnHeaderSelect) {
5296                                         SetSelectedColumnCore (CurrentCellAddress.X, true);
5297                                         InvalidateColumn (CurrentCellAddress.X);
5298                                         return true;
5299                                 }
5300                         }
5301
5302                         if (CurrentCell is DataGridViewButtonCell || CurrentCell is DataGridViewLinkCell || CurrentCell is DataGridViewCheckBoxCell) {
5303                                 DataGridViewCellEventArgs e = new DataGridViewCellEventArgs (CurrentCell.ColumnIndex, CurrentCell.RowIndex);
5304
5305                                 OnCellClick (e);
5306                                 OnCellContentClick (e);
5307
5308                                 if (CurrentCell is DataGridViewButtonCell)
5309                                         (CurrentCell as DataGridViewButtonCell).OnClickInternal (e);
5310                                 if (CurrentCell is DataGridViewCheckBoxCell)
5311                                         (CurrentCell as DataGridViewCheckBoxCell).OnClickInternal (e);
5312
5313                                 return true;
5314                         }
5315
5316                         return false;
5317                 }
5318
5319                 protected bool ProcessTabKey (Keys keyData)
5320                 {
5321                         Form f = FindForm ();
5322
5323                         if (f != null)
5324                                 f.ActivateFocusCues ();
5325
5326                         int disp_index = ColumnIndexToDisplayIndex (currentCellAddress.X);
5327
5328                         // Tab goes forward
5329                         // Shift-tab goes backwards
5330                         if ((keyData & Keys.Shift) == Keys.Shift) {
5331                                 if (disp_index > 0) {
5332                                         // Move one cell to the left
5333                                         MoveCurrentCell (ColumnDisplayIndexToIndex (disp_index - 1), currentCellAddress.Y, true, (keyData & Keys.Control) == Keys.Control, false, true);
5334                                         return true;
5335                                 } else if (currentCellAddress.Y > 0) {
5336                                         // Move to the last cell in the previous row
5337                                         MoveCurrentCell (ColumnDisplayIndexToIndex (Columns.Count - 1), currentCellAddress.Y - 1, true, false, false, true);
5338                                         return true;
5339                                 }
5340
5341                         } else {
5342                                 if (disp_index < Columns.Count - 1) {
5343                                         // Move one cell to the right
5344                                         MoveCurrentCell (ColumnDisplayIndexToIndex (disp_index + 1), currentCellAddress.Y, true, (keyData & Keys.Control) == Keys.Control, false, true);
5345
5346                                         return true;
5347                                 } else if (currentCellAddress.Y < Rows.Count - 1) {
5348                                         // Move to the first cell in the next row
5349                                         MoveCurrentCell (ColumnDisplayIndexToIndex (0), currentCellAddress.Y + 1, true, false, false, true);
5350                                         return true;
5351                                 }
5352
5353
5354                         }
5355
5356                         return false;
5357                 }
5358
5359                 protected bool ProcessUpKey (Keys keyData)
5360                 {
5361                         int current_row = CurrentCellAddress.Y;
5362
5363                         if (current_row > 0) {
5364                                 // Move to the first cell in the column
5365                                 if ((keyData & Keys.Control) == Keys.Control)
5366                                         MoveCurrentCell (CurrentCellAddress.X, 0, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
5367                                 // Move one cell up
5368                                 else
5369                                         MoveCurrentCell (CurrentCellAddress.X, current_row - 1, true, (keyData & Keys.Control) == Keys.Control, (keyData & Keys.Shift) == Keys.Shift, true);
5370
5371                                 return true;
5372                         }
5373
5374                         return false;
5375                 }
5376
5377                 protected bool ProcessZeroKey (Keys keyData)
5378                 {
5379                         if ((keyData & Keys.Control) == Keys.Control && CurrentCell.EditType != null) {
5380                                 CurrentCell.Value = DBNull.Value;
5381                                 InvalidateCell (CurrentCell);
5382                                 return true;
5383                         }
5384
5385                         return false;
5386                 }
5387
5388                 protected override void SetBoundsCore (int x, int y, int width, int height, BoundsSpecified specified) {
5389                         base.SetBoundsCore(x, y, width, height, specified);
5390                 }
5391
5392                 [MonoTODO ("Does not use validateCurrentCell")]
5393                 protected virtual bool SetCurrentCellAddressCore (int columnIndex, int rowIndex, bool setAnchorCellAddress, bool validateCurrentCell, bool throughMouseClick)
5394                 {
5395                         if ((columnIndex < 0 || columnIndex > Columns.Count - 1) && rowIndex != -1)
5396                                 throw new ArgumentOutOfRangeException ("columnIndex");
5397                         if ((rowIndex < 0 || rowIndex > Rows.Count - 1) && columnIndex != -1)
5398                                 throw new ArgumentOutOfRangeException ("rowIndex");
5399
5400                         DataGridViewCell cell;
5401
5402                         if (columnIndex == -1 && rowIndex == -1)
5403                                 cell = null;
5404                         else
5405                                 cell = Rows.SharedRow (rowIndex).Cells[columnIndex];
5406
5407                         if (cell != null && !cell.Visible)
5408                                 throw new InvalidOperationException ("cell is not visible");
5409
5410                         // Always update the current cell address property
5411                         // If the row has moved it would be out of date.
5412                         if (currentCell != null) {
5413                                 if (setAnchorCellAddress) {
5414                                         anchor_cell.X = currentCell.ColumnIndex;
5415                                         anchor_cell.Y = currentCell.RowIndex;
5416                                 }
5417                                 currentCellAddress.X = currentCell.ColumnIndex;
5418                                 currentCellAddress.Y = currentCell.RowIndex;
5419                         }
5420
5421                         if (cell != currentCell) {
5422                                 if (currentCell != null) {
5423                                         if (currentCell.IsInEditMode) {
5424                                                 if (!EndEdit ())
5425                                                         return false;
5426                                                 else if (currentCell.RowIndex == NewRowIndex && new_row_editing)
5427                                                         CancelEdit ();
5428                                         }
5429                                         OnCellLeave (new DataGridViewCellEventArgs(currentCell.ColumnIndex, currentCell.RowIndex));
5430                                         OnRowLeave (new DataGridViewCellEventArgs (currentCell.ColumnIndex, currentCell.RowIndex));
5431                                 }
5432
5433                                 currentCell = cell;
5434                                 if (setAnchorCellAddress)
5435                                         anchor_cell = new Point (columnIndex, rowIndex);
5436                                 currentCellAddress = new Point (columnIndex, rowIndex);
5437
5438                                 if (cell != null) {
5439                                         UpdateBindingPosition (cell.RowIndex);
5440                                         OnRowEnter (new DataGridViewCellEventArgs (cell.ColumnIndex, cell.RowIndex));
5441                                         OnCellEnter (new DataGridViewCellEventArgs(cell.ColumnIndex, cell.RowIndex));
5442                                 }
5443                                 OnCurrentCellChanged (EventArgs.Empty);
5444
5445                                 if (cell != null) {
5446                                         // If the user begins an edit in the NewRow, add a new row
5447                                         if (AllowUserToAddRows && cell.RowIndex == NewRowIndex && !is_binding && !new_row_editing) {
5448                                                 // OnUserAddedRow will add a real row and reset the current cell
5449                                                 OnUserAddedRow (new DataGridViewRowEventArgs (Rows[NewRowIndex]));
5450                                         } else {
5451                                                 if (editMode == DataGridViewEditMode.EditOnEnter)
5452                                                         BeginEdit (true);
5453                                         }
5454                                 }
5455                         } else {
5456                                 if (cell != null && throughMouseClick)
5457                                         BeginEdit (true);
5458                         }
5459
5460                         return true;
5461                 }
5462
5463                 protected virtual void SetSelectedCellCore (int columnIndex, int rowIndex, bool selected) {
5464                         rows [rowIndex].Cells [columnIndex].Selected = selected;
5465
5466                         OnSelectionChanged (EventArgs.Empty);
5467                 }
5468
5469                 internal void SetSelectedColumnCoreInternal (int columnIndex, bool selected) {
5470                         SetSelectedColumnCore (columnIndex, selected);
5471                 }
5472
5473                 protected virtual void SetSelectedColumnCore (int columnIndex, bool selected) {
5474                         if (selectionMode != DataGridViewSelectionMode.ColumnHeaderSelect && selectionMode != DataGridViewSelectionMode.FullColumnSelect)
5475                                 return;
5476
5477                         DataGridViewColumn col = columns [columnIndex];
5478
5479                         col.SelectedInternal = selected;
5480
5481                         if (selected_columns == null)
5482                                 selected_columns = new DataGridViewSelectedColumnCollection ();
5483
5484                         if (!selected && selected_columns.Contains (col)) {
5485                                 selected_columns.InternalRemove (col);
5486                         } else if (selected && !selected_columns.Contains (col)) {
5487                                 selected_columns.InternalAdd (col);
5488                         }
5489
5490                         Invalidate();
5491                 }
5492
5493                 internal void SetSelectedRowCoreInternal (int rowIndex, bool selected) {
5494                         if (rowIndex >= 0 && rowIndex < Rows.Count)
5495                                 SetSelectedRowCore (rowIndex, selected);
5496                 }
5497
5498                 protected virtual void SetSelectedRowCore (int rowIndex, bool selected) {
5499                         DataGridViewRow row = rows [rowIndex];
5500
5501                         row.SelectedInternal = selected;
5502
5503                         if (selected_rows == null)
5504                                 selected_rows = new DataGridViewSelectedRowCollection (this);
5505
5506                         if (!selected && selected_rows.Contains (row)) {
5507                                 selected_rows.InternalRemove (row);
5508                         } else if (selected && !selected_rows.Contains (row)) {
5509                                 selected_rows.InternalAdd (row);
5510                         }
5511
5512                         Invalidate();
5513                 }
5514
5515                 protected override void WndProc (ref Message m)
5516                 {
5517                         base.WndProc (ref m);
5518                 }
5519
5520                 internal void InternalOnCellClick (DataGridViewCellEventArgs e)
5521                 {
5522                         OnCellClick (e);
5523                 }
5524
5525                 internal void InternalOnCellContentClick (DataGridViewCellEventArgs e)
5526                 {
5527                         OnCellContentClick (e);
5528                 }
5529
5530                 internal void InternalOnCellContentDoubleClick (DataGridViewCellEventArgs e)
5531                 {
5532                         OnCellContentDoubleClick (e);
5533                 }
5534
5535                 internal void InternalOnCellValueChanged (DataGridViewCellEventArgs e)
5536                 {
5537                         OnCellValueChanged (e);
5538                 }
5539
5540                 internal void InternalOnDataError (DataGridViewDataErrorEventArgs e)
5541                 {
5542                         /////////////// false? ////////////
5543                         OnDataError (false, e);
5544                 }
5545
5546                 internal void InternalOnMouseWheel (MouseEventArgs e)
5547                 {
5548                         OnMouseWheel (e);
5549                 }
5550
5551                 internal void OnHScrollBarScroll (object sender, ScrollEventArgs e)
5552                 {
5553                         horizontalScrollingOffset = e.NewValue;
5554                         int left = 0;
5555
5556                         for (int index = 0; index < Columns.Count; index++) {
5557                                 DataGridViewColumn col = Columns[index];
5558
5559                                 if (e.NewValue < left + col.Width) {
5560                                         if (first_col_index != index) {
5561                                                 first_col_index = index;
5562                                                 Invalidate ();
5563                                                 OnScroll (e);
5564                                         }
5565
5566                                         return;
5567                                 }
5568
5569                                 left += col.Width;
5570                         }
5571                 }
5572
5573                 internal void OnVScrollBarScroll (object sender, ScrollEventArgs e)
5574                 {
5575                         verticalScrollingOffset = e.NewValue;
5576                         if (Rows.Count == 0)
5577                                 return;
5578
5579                         int top = 0;
5580
5581                         for (int index = 0; index < Rows.Count; index++) {
5582                                 DataGridViewRow row = Rows[index];
5583                                 if (e.NewValue < top + row.Height) {
5584                                         if (first_row_index != index) {
5585                                                 first_row_index = index;
5586                                                 Invalidate ();
5587                                                 OnScroll (e);
5588                                         }
5589
5590                                         return;
5591                                 }
5592
5593                                 top += row.Height;
5594                         }
5595
5596                         first_row_index = Rows.Count - DisplayedRowCount (false);
5597                         Invalidate ();
5598                         OnScroll (e);
5599                 }
5600
5601                 internal void RaiseCellStyleChanged (DataGridViewCellEventArgs e) {
5602                         OnCellStyleChanged(e);
5603                 }
5604
5605                 internal void OnColumnCollectionChanged (object sender, CollectionChangeEventArgs e) {
5606                         switch (e.Action) {
5607                                 case CollectionChangeAction.Add:
5608                                         OnColumnAddedInternal(new DataGridViewColumnEventArgs(e.Element as DataGridViewColumn));
5609                                         break;
5610                                 case CollectionChangeAction.Remove:
5611                                         OnColumnRemovedInternal(new DataGridViewColumnEventArgs(e.Element as DataGridViewColumn));
5612                                         break;
5613                                 case CollectionChangeAction.Refresh:
5614                                         break;
5615                         }
5616                 }
5617
5618                 // Resizes all columns according to their AutoResizeMode property.
5619                 // First all the columns that aren't Filled are resized, then we resize all the Filled columns.
5620                 internal void AutoResizeColumnsInternal ()
5621                 {
5622                         for (int i = 0; i < Columns.Count; i++)
5623                                 AutoResizeColumnInternal (i, Columns [i].InheritedAutoSizeMode);
5624
5625                         AutoFillColumnsInternal ();
5626                 }
5627
5628                 internal void AutoFillColumnsInternal ()
5629                 {
5630                         float totalFillWeight = 0;
5631                         int FillCount = 0; // The number of columns that has AutoSizeMode.Fill set
5632                         int spaceLeft = ClientSize.Width - (verticalScrollBar.VisibleInternal ? verticalScrollBar.Width : 0);
5633
5634                         if (RowHeadersVisible) {
5635                                 spaceLeft -= RowHeadersWidth;
5636                         }
5637                         spaceLeft -= BorderWidth * 2;
5638
5639                         int [] fixed_widths = new int [Columns.Count];
5640                         int [] new_widths = new int [Columns.Count];
5641                         bool fixed_any = false;
5642
5643                         for (int i = 0; i < Columns.Count; i++) {
5644                                 DataGridViewColumn col = Columns [i];
5645
5646                                 switch (col.InheritedAutoSizeMode) {
5647                                 case DataGridViewAutoSizeColumnMode.Fill:
5648                                         FillCount++;
5649                                         totalFillWeight += col.FillWeight;
5650                                         break;
5651                                 case DataGridViewAutoSizeColumnMode.AllCellsExceptHeader:
5652                                 case DataGridViewAutoSizeColumnMode.AllCells:
5653                                 case DataGridViewAutoSizeColumnMode.DisplayedCells:
5654                                 case DataGridViewAutoSizeColumnMode.DisplayedCellsExceptHeader:
5655                                 case DataGridViewAutoSizeColumnMode.None:
5656                                 case DataGridViewAutoSizeColumnMode.NotSet:
5657                                         spaceLeft -= Columns [i].Width;
5658                                         break;
5659                                 }
5660                         }
5661
5662                         spaceLeft = Math.Max (0, spaceLeft);
5663
5664                         do {
5665                                 fixed_any = false;
5666                                 for (int i = 0; i < columns.Count; i++) {
5667                                         DataGridViewColumn col = Columns [i];
5668                                         int width;
5669
5670                                         if (col.InheritedAutoSizeMode != DataGridViewAutoSizeColumnMode.Fill)
5671                                                 continue;
5672
5673                                         if (fixed_widths [i] != 0)
5674                                                 continue;
5675
5676                                         width = (totalFillWeight == 0) ? 0 : (int) Math.Round (spaceLeft * (col.FillWeight / totalFillWeight), 0);
5677
5678                                         if (width < 0)
5679                                                 width = 0;
5680
5681                                         if (width < col.MinimumWidth) {
5682                                                 width = col.MinimumWidth;
5683                                                 fixed_widths [i] = width;
5684                                                 fixed_any = true;
5685                                                 spaceLeft -= width;
5686                                                 totalFillWeight -= col.FillWeight;
5687                                         }
5688
5689                                         new_widths [i] = width;
5690                                 }
5691                         } while (fixed_any);
5692
5693                         for (int i = 0; i < columns.Count; i++) {
5694                                 if (Columns [i].InheritedAutoSizeMode != DataGridViewAutoSizeColumnMode.Fill)
5695                                         continue;
5696
5697                                 Columns [i].Width = new_widths [i];
5698                         }
5699                 }
5700
5701                 internal void AutoResizeColumnInternal (int columnIndex, DataGridViewAutoSizeColumnMode mode)
5702                 {
5703                         // http://msdn2.microsoft.com/en-us/library/ms171605.aspx
5704                         int size = 0;
5705
5706                         DataGridViewColumn col = Columns [columnIndex];
5707
5708                         switch (mode) {
5709                         case DataGridViewAutoSizeColumnMode.Fill:
5710                                 return;
5711                         case DataGridViewAutoSizeColumnMode.AllCellsExceptHeader:
5712                         case DataGridViewAutoSizeColumnMode.AllCells:
5713                         case DataGridViewAutoSizeColumnMode.DisplayedCells:
5714                         case DataGridViewAutoSizeColumnMode.DisplayedCellsExceptHeader:
5715                                 size  = Math.Max (CalculateColumnCellWidth (columnIndex, col.InheritedAutoSizeMode),
5716                                                   col.HeaderCell.ContentBounds.Width);
5717                                 break;
5718                         case DataGridViewAutoSizeColumnMode.ColumnHeader:
5719                                 size = col.HeaderCell.ContentBounds.Width;
5720                                 break;
5721                         default:
5722                                 size = col.Width;
5723                                 break;
5724                         }
5725
5726                         if (size < 0)
5727                                 size = 0;
5728                         if (size < col.MinimumWidth)
5729                                 size = col.MinimumWidth;
5730
5731                         col.Width = size;
5732                 }
5733
5734                 internal int CalculateColumnCellWidth (int index, DataGridViewAutoSizeColumnMode mode)
5735                 {
5736                         int first_row = 0;
5737                         int result = 0;
5738                         bool only_visible = false;
5739
5740                         if (mode == DataGridViewAutoSizeColumnMode.DisplayedCellsExceptHeader ||
5741                                 mode == DataGridViewAutoSizeColumnMode.AllCellsExceptHeader)
5742                                 first_row++;
5743
5744                         only_visible = (mode == DataGridViewAutoSizeColumnMode.DisplayedCells || mode == DataGridViewAutoSizeColumnMode.DisplayedCellsExceptHeader);
5745
5746                         for (int i = first_row; i < Rows.Count; i++) {
5747                                 if (only_visible) {
5748                                         Rectangle row_rect = this.GetRowDisplayRectangle (i, false);
5749                                         if (!ClientRectangle.IntersectsWith (row_rect))
5750                                                 continue;
5751                                 }
5752
5753                                 int cell_width = Rows[i].Cells[index].PreferredSize.Width;
5754
5755                                 result = Math.Max (result, cell_width);
5756                         }
5757
5758                         return result;
5759                 }
5760
5761                 Rectangle GetHeaderCellBounds (DataGridViewHeaderCell cell)
5762                 {
5763                         Rectangle bounds = new Rectangle (ClientRectangle.Location, cell.Size);
5764                         if (cell is DataGridViewColumnHeaderCell) {
5765                                 if (RowHeadersVisible)
5766                                         bounds.X += RowHeadersWidth;
5767                                 List<DataGridViewColumn> sortedColumns = columns.ColumnDisplayIndexSortedArrayList;
5768                                 for (int index = first_col_index; index < sortedColumns.Count; index++) {
5769                                         DataGridViewColumn column = sortedColumns [index];
5770                                         if (column.Index == cell.ColumnIndex)
5771                                                 break;
5772                                         bounds.X += column.Width;
5773                                 }
5774                         } else {
5775                                 if (ColumnHeadersVisible)
5776                                         bounds.Y += ColumnHeadersHeight;
5777                                 for (int index = first_row_index; index < Rows.Count; index++) {
5778                                         DataGridViewRow row = GetRowInternal (index);
5779                                         if (row.HeaderCell == cell)
5780                                                 break;
5781                                         bounds.Y += row.Height;
5782                                 }
5783                         }
5784                         return bounds;
5785                 }
5786
5787                 internal void PrepareEditingRow (bool cell_changed, bool column_changed)
5788                 {
5789                         if (new_row_editing)
5790                                 return;
5791
5792                         bool show = false;
5793
5794                         show = ColumnCount > 0 && AllowUserToAddRows;
5795
5796                         if (!show && editing_row != null) {
5797                                 Rows.RemoveInternal (editing_row);
5798                                 editing_row = null;
5799                         } else if (show) {
5800                                 if (editing_row != null && (cell_changed || column_changed)) {
5801                                         // The row changed, it's no longer an editing row.
5802                                         //    or
5803                                         // The number of columns has changed, we need a new editing row.
5804                                         Rows.RemoveInternal (editing_row);
5805                                         editing_row = null;
5806                                 }
5807                                 if (editing_row == null) {
5808                                         editing_row = RowTemplateFull;
5809                                         Rows.AddInternal (editing_row, false);
5810                                 }
5811                         }
5812                 }
5813
5814                 internal DataGridViewRow EditingRow {
5815                         get { return editing_row; }
5816                 }
5817
5818                 private void AddBoundRow (object element)
5819                 {
5820                         // Don't add rows if there are no columns
5821                         if (ColumnCount == 0)
5822                                 return;
5823
5824                         DataGridViewRow row = (DataGridViewRow)RowTemplateFull;
5825                         rows.InternalAdd (row);
5826
5827                         PropertyDescriptorCollection properties = TypeDescriptor.GetProperties (element);
5828
5829                         foreach (PropertyDescriptor property in properties) {
5830                                 if (property.PropertyType == typeof (IBindingList))
5831                                         continue;
5832
5833                                 // We do it this way because there may not be a column
5834                                 // for every cell, ignore cells with no column
5835                                 DataGridViewCell cell = row.Cells.GetBoundCell (property.Name);
5836
5837                                 if (cell == null)
5838                                         continue;
5839
5840                                 cell.Value = property.GetValue (element);
5841                                 cell.ValueType = property.PropertyType;
5842                         }
5843                 }
5844
5845                 private bool IsColumnAlreadyBound (string name)
5846                 {
5847                         foreach (DataGridViewColumn col in Columns)
5848                                 if (col.DataPropertyName == name)
5849                                         return true;
5850
5851                         return false;
5852                 }
5853
5854                 private DataGridViewColumn CreateColumnByType (Type type)
5855                 {
5856                         if (type == typeof (bool))
5857                                 return new DataGridViewCheckBoxColumn ();
5858
5859                         return new DataGridViewTextBoxColumn ();
5860                 }
5861
5862                 private void ClearBinding ()
5863                 {
5864                         columns.ClearAutoGeneratedColumns ();
5865                         rows.Clear ();
5866                         PrepareEditingRow (false, true);
5867                         if (DataManager != null) {
5868                                 DataManager.ListChanged -= OnListChanged;
5869                                 DataManager.PositionChanged -= OnListPositionChanged;
5870                         }
5871                 }
5872
5873                 private void DoBinding ()
5874                 {
5875                         /* The System.Windows.Forms.DataGridView class supports the standard Windows Forms data-binding model. This means the data source can be of any type that implements:
5876                          - the System.Collections.IList interface, including one-dimensional arrays.
5877                          - the System.ComponentModel.IListSource interface, such as the System.Data.DataTable and System.Data.DataSet classes.
5878                          - the System.ComponentModel.IBindingList interface, such as the System.ComponentModel.Collections.BindingList<> class.
5879                          - the System.ComponentModel.IBindingListView interface, such as the System.Windows.Forms.BindingSource class.
5880                         */
5881
5882                         if (dataSource != null && DataManager != null) {
5883                                 if (autoGenerateColumns) {
5884                                         is_autogenerating_columns = true;
5885
5886                                         foreach (PropertyDescriptor property in DataManager.GetItemProperties()) {
5887                                                 // This keeps out things like arrays
5888                                                 if ((typeof(ICollection).IsAssignableFrom (property.PropertyType)))
5889                                                         continue;
5890
5891                                                 if (IsColumnAlreadyBound (property.DisplayName))
5892                                                         continue;
5893
5894                                                 DataGridViewColumn col = CreateColumnByType (property.PropertyType);
5895                                                 col.Name = property.DisplayName;
5896                                                 col.DataPropertyName = property.DisplayName;
5897                                                 col.ReadOnly = !DataManager.AllowEdit || property.IsReadOnly;
5898                                                 col.SetIsDataBound (true);
5899                                                 col.ValueType = property.PropertyType;
5900                                                 col.AutoGenerated = true;
5901                                                 columns.Add (col);
5902                                         }
5903
5904                                         is_autogenerating_columns = false;
5905                                 }
5906
5907                                 // DataBind both autogenerated and not columns if there is a matching property
5908                                 foreach (PropertyDescriptor property in DataManager.GetItemProperties()) {
5909                                         foreach (DataGridViewColumn col in Columns) {
5910                                                 if (col.DataPropertyName == property.Name)
5911                                                         col.SetIsDataBound (true);
5912                                         }
5913                                 }
5914
5915                                 foreach (object element in DataManager.List)
5916                                         AddBoundRow (element);
5917
5918                                 DataManager.ListChanged += OnListChanged;
5919                                 DataManager.PositionChanged += OnListPositionChanged;
5920                                 OnDataBindingComplete (new DataGridViewBindingCompleteEventArgs (ListChangedType.Reset));
5921                                 OnListPositionChanged (this, EventArgs.Empty);
5922                         } else {
5923                                 if (Rows.Count > 0 && Columns.Count > 0)
5924                                         MoveCurrentCell (0, 0, true, false, false, false);
5925                         }
5926
5927                         PerformLayout();
5928                         Invalidate ();
5929                 }
5930
5931                 private void MoveCurrentCell (int x, int y, bool select, bool isControl, bool isShift, bool scroll)
5932                 {
5933                         if (x == -1 || y == -1)
5934                                 x = y = -1;
5935
5936                         if (!SetCurrentCellAddressCore (x, y, true, false, false)) {
5937                                 ClearSelection ();
5938                                 return;
5939                         }
5940                         if (x == -1 && y == -1) {
5941                                 ClearSelection ();
5942                                 return;
5943                         }
5944
5945                         bool full_row_selected = Rows.SharedRow(CurrentCellAddress.Y).Selected;
5946                         bool full_col_selected = Columns[CurrentCellAddress.X].Selected;
5947
5948                         // Move Selection
5949                         DataGridViewSelectionMode mode = selectionMode;
5950
5951                         // If we are row header select and we clicked a row header, use full row
5952                         if (mode == DataGridViewSelectionMode.RowHeaderSelect && (x == -1 || (full_row_selected && CurrentCellAddress.X == x)))
5953                                 mode = DataGridViewSelectionMode.FullRowSelect;
5954                         else if (mode == DataGridViewSelectionMode.RowHeaderSelect)
5955                                 mode = DataGridViewSelectionMode.CellSelect;
5956
5957                         // If we are col header select and we clicked a col header, use full col
5958                         if (mode == DataGridViewSelectionMode.ColumnHeaderSelect && (y == -1 || (full_col_selected && CurrentCellAddress.Y == y)))
5959                                 mode = DataGridViewSelectionMode.FullColumnSelect;
5960                         else if (mode == DataGridViewSelectionMode.ColumnHeaderSelect)
5961                                 mode = DataGridViewSelectionMode.CellSelect;
5962
5963                         // If the current cell isn't visible, scroll to it
5964                         if (scroll) {
5965                                 int disp_x = ColumnIndexToDisplayIndex (x);
5966
5967                                 if (disp_x < first_col_index) {
5968                                         int delta_x = 0;
5969
5970                                         if (disp_x == 0)
5971                                                 delta_x = horizontalScrollBar.Value;
5972                                         else
5973                                                 for (int i = disp_x; i < first_col_index; i++)
5974                                                         delta_x += Columns[ColumnDisplayIndexToIndex (i)].Width;
5975
5976                                         horizontalScrollBar.SafeValueSet (horizontalScrollBar.Value - delta_x);
5977                                         OnHScrollBarScroll (this, new ScrollEventArgs (ScrollEventType.ThumbPosition, horizontalScrollBar.Value));
5978                                 }
5979
5980                                 int disp_y = y;
5981                                 int displayedRowsCount = DisplayedRowCount (false);
5982                                 int delta_y = 0;
5983
5984                                 if (disp_y < first_row_index) {
5985                                         if (disp_y == 0)
5986                                                 delta_y = verticalScrollBar.Value;
5987                                         else
5988                                                 for (int i = disp_y; i < first_row_index; i++)
5989                                                         delta_y += GetRowInternal (i).Height;
5990
5991                                         verticalScrollBar.SafeValueSet (verticalScrollBar.Value - delta_y);
5992                                         OnVScrollBarScroll (this, new ScrollEventArgs (ScrollEventType.ThumbPosition, verticalScrollBar.Value));
5993                                 } else if (disp_y > first_row_index + displayedRowsCount - 1) {
5994                                         if (disp_y == Rows.Count - 1)
5995                                                 delta_y = verticalScrollBar.Maximum - verticalScrollBar.Value;
5996                                         else
5997                                                 for (int i = first_row_index + displayedRowsCount - 1; i < disp_y; i++)
5998                                                         delta_y += GetRowInternal (i).Height;
5999
6000                                         verticalScrollBar.SafeValueSet (verticalScrollBar.Value + delta_y);
6001                                         OnVScrollBarScroll (this, new ScrollEventArgs (ScrollEventType.ThumbPosition, verticalScrollBar.Value));
6002                                 }
6003                         }
6004
6005                         if (!select)
6006                                 return;
6007
6008                         // Clear old selection unless multi-selecting
6009                         if (!isShift)
6010                                 ClearSelection ();
6011
6012                         switch (mode) {
6013                                 case DataGridViewSelectionMode.CellSelect:
6014                                         SetSelectedCellCore (x, y, true);
6015                                         break;
6016                                 case DataGridViewSelectionMode.FullRowSelect:
6017                                         SetSelectedRowCore (y, true);
6018                                         break;
6019                                 case DataGridViewSelectionMode.FullColumnSelect:
6020                                         SetSelectedColumnCore (x, true);
6021                                         break;
6022                         }
6023
6024                         Invalidate ();
6025                 }
6026
6027                 private int ColumnIndexToDisplayIndex (int index)
6028                 {
6029                         if (index == -1)
6030                                 return index;
6031                         return Columns[index].DisplayIndex;
6032                 }
6033
6034                 private int ColumnDisplayIndexToIndex (int index)
6035                 {
6036                         return Columns.ColumnDisplayIndexSortedArrayList[index].Index;
6037                 }
6038
6039                 private void OnListChanged (object sender, ListChangedEventArgs args)
6040                 {
6041                         switch (args.ListChangedType) {
6042                                 case ListChangedType.ItemAdded:
6043                                         AddBoundRow (DataManager[args.NewIndex]);
6044                                         break;
6045                                 case ListChangedType.ItemDeleted:
6046                                         Rows.RemoveAtInternal (args.NewIndex);
6047                                         break;
6048                                 case ListChangedType.ItemChanged:
6049                                         break;
6050                                 default:
6051                                         ReBind ();
6052                                         break;
6053                         }
6054
6055                         Invalidate ();
6056                 }
6057
6058                 private void OnListPositionChanged (object sender, EventArgs args)
6059                 {
6060                         if (Rows.Count > 0 && Columns.Count > 0 && DataManager.Position != -1)
6061                                 MoveCurrentCell (currentCell != null ? currentCell.ColumnIndex : 0, DataManager.Position,
6062                                                  true, false, false, true);
6063                         else
6064                                 MoveCurrentCell (-1, -1, true, false, false, true);
6065                 }
6066
6067                 private void ReBind ()
6068                 {
6069                         if (!is_binding) {
6070                                 is_binding = true;
6071                                 ClearBinding ();
6072                                 DoBinding ();
6073                                 is_binding = false;
6074                         }
6075                 }
6076
6077                 private bool MouseOverColumnResize (int col, int mousex)
6078                 {
6079                         if (!allowUserToResizeColumns)
6080                                 return false;
6081
6082                         Rectangle col_bounds = GetCellDisplayRectangle (col, 0, false);
6083
6084                         if (mousex >= col_bounds.Right - 4 && mousex <= col_bounds.Right)
6085                                 return true;
6086
6087                         return false;
6088                 }
6089
6090                 private bool MouseOverRowResize (int row, int mousey)
6091                 {
6092                         if (!allowUserToResizeRows)
6093                                 return false;
6094
6095                         Rectangle row_bounds = GetCellDisplayRectangle (0, row, false);
6096
6097                         if (mousey >= row_bounds.Bottom - 4 && mousey <= row_bounds.Bottom)
6098                                 return true;
6099
6100                         return false;
6101                 }
6102
6103                 private void DrawVerticalResizeLine (int x)
6104                 {
6105                         Rectangle splitter = new Rectangle (x, Bounds.Y + 3 + (ColumnHeadersVisible ? ColumnHeadersHeight : 0), 1, Bounds.Height - 3 - (ColumnHeadersVisible ? ColumnHeadersHeight : 0));
6106                         XplatUI.DrawReversibleRectangle (Handle, splitter, 2);
6107                 }
6108
6109                 private void DrawHorizontalResizeLine (int y)
6110                 {
6111                         Rectangle splitter = new Rectangle (Bounds.X + 3 + (RowHeadersVisible ? RowHeadersWidth : 0), y, Bounds.Width - 3 + (RowHeadersVisible ? RowHeadersWidth : 0), 1);
6112                         XplatUI.DrawReversibleRectangle (Handle, splitter, 2);
6113                 }
6114
6115                 #region Stuff for ToolTips
6116                 private void MouseEnteredErrorIcon (DataGridViewCell item)
6117                 {
6118                         tooltip_currently_showing = item;
6119                         ToolTipTimer.Start ();
6120                 }
6121
6122                 private void MouseLeftErrorIcon (DataGridViewCell item)
6123                 {
6124                         ToolTipTimer.Stop ();
6125                         ToolTipWindow.Hide (this);
6126                         tooltip_currently_showing = null;
6127                 }
6128
6129                 private Timer ToolTipTimer {
6130                         get {
6131                                 if (tooltip_timer == null) {
6132                                         tooltip_timer = new Timer ();
6133                                         tooltip_timer.Enabled = false;
6134                                         tooltip_timer.Interval = 500;
6135                                         tooltip_timer.Tick += new EventHandler (ToolTipTimer_Tick);
6136                                 }
6137
6138                                 return tooltip_timer;
6139                         }
6140                 }
6141
6142                 private ToolTip ToolTipWindow {
6143                         get {
6144                                 if (tooltip_window == null)
6145                                         tooltip_window = new ToolTip ();
6146
6147                                 return tooltip_window;
6148                         }
6149                 }
6150
6151                 private void ToolTipTimer_Tick (object o, EventArgs args)
6152                 {
6153                         string tooltip = tooltip_currently_showing.ErrorText;
6154
6155                         if (!string.IsNullOrEmpty (tooltip))
6156                                 ToolTipWindow.Present (this, tooltip);
6157
6158                         ToolTipTimer.Stop ();
6159                 }
6160                 #endregion
6161
6162                 private class ColumnSorter : IComparer
6163                 {
6164                         int column;
6165                         int direction = 1;
6166                         bool numeric_sort;
6167
6168                         public ColumnSorter (DataGridViewColumn column, ListSortDirection direction, bool numeric)
6169                         {
6170                                 this.column = column.Index;
6171                                 this.numeric_sort = numeric;
6172
6173                                 if (direction == ListSortDirection.Descending)
6174                                         this.direction = -1;
6175                         }
6176
6177                         #region IComparer Members
6178                         public int Compare (object x, object y)
6179                         {
6180                                 DataGridViewRow row1 = (DataGridViewRow)x;
6181                                 DataGridViewRow row2 = (DataGridViewRow)y;
6182
6183                                 if (row1.Cells[column].ValueType == typeof (DateTime) && row2.Cells[column].ValueType == typeof (DateTime))
6184                                         return DateTime.Compare ((DateTime)row1.Cells[column].Value, (DateTime)row2.Cells[column].Value) * direction;
6185
6186                                 object val1 = row1.Cells[column].FormattedValue;
6187                                 object val2 = row2.Cells[column].FormattedValue;
6188                                 object val1NullValue = row1.Cells[column].InheritedStyle.NullValue;
6189                                 object val2NullValue = row2.Cells[column].InheritedStyle.NullValue;
6190
6191                                 if (val1 == val1NullValue && val2 == val2NullValue)
6192                                         return 0;
6193                                 if (val1 == val1NullValue)
6194                                         return direction;
6195                                 if (val2 == val2NullValue)
6196                                         return -1 * direction;
6197
6198                                 if (numeric_sort)
6199                                         return (int)(double.Parse (val1.ToString ()) - double.Parse (val2.ToString ())) * direction;
6200                                 else
6201                                         return string.Compare (val1.ToString (), val2.ToString ()) * direction;
6202                         }
6203                         #endregion
6204                 }
6205
6206                 public sealed class HitTestInfo {
6207
6208                         public static readonly HitTestInfo Nowhere = new HitTestInfo(-1, -1, -1, -1, DataGridViewHitTestType.None);
6209
6210                         private int columnIndex;
6211                         private int columnX;
6212                         private int rowIndex;
6213                         private int rowY;
6214                         private DataGridViewHitTestType type;
6215
6216                         internal HitTestInfo (int columnIndex, int columnX, int rowIndex, int rowY, DataGridViewHitTestType type) {
6217                                 this.columnIndex = columnIndex;
6218                                 this.columnX = columnX;
6219                                 this.rowIndex = rowIndex;
6220                                 this.rowY = rowY;
6221                                 this.type = type;
6222                         }
6223
6224                         public int ColumnIndex {
6225                                 get { return columnIndex; }
6226                         }
6227
6228                         public int ColumnX {
6229                                 get { return columnX; }
6230                         }
6231
6232                         public int RowIndex {
6233                                 get { return rowIndex; }
6234                         }
6235
6236                         public int RowY {
6237                                 get { return rowY; }
6238                         }
6239
6240                         public DataGridViewHitTestType Type {
6241                                 get { return type; }
6242                         }
6243
6244                         public override bool Equals (object value) {
6245                                 if (value is HitTestInfo) {
6246                                         HitTestInfo aux = (HitTestInfo) value;
6247                                         if (aux.columnIndex == columnIndex && aux.columnX == columnX && aux.rowIndex == rowIndex && aux.rowY == rowY && aux.type == type) {
6248                                                 return true;
6249                                         }
6250                                 }
6251                                 return false;
6252                         }
6253
6254                         public override int GetHashCode () {
6255                                 return base.GetHashCode();
6256                         }
6257
6258                         public override string ToString () {
6259                                 return string.Format ("Type:{0}, Column:{1}, Row:{2}", type, columnIndex, rowIndex);
6260                         }
6261
6262                 }
6263
6264                 [ComVisible (false)]
6265                 public class DataGridViewControlCollection : Control.ControlCollection
6266                 {
6267                         private DataGridView owner;
6268
6269                         public DataGridViewControlCollection (DataGridView owner) : base (owner)
6270                         {
6271                                 this.owner = owner;
6272                         }
6273
6274                         public override void Clear ()
6275                         {
6276                                 //
6277                                 // This is severely buggy, just as MS' implementation is.
6278                                 //
6279                                 for (int i = 0; i < Count; i++) {
6280                                         Remove (this [i]);
6281                                 }
6282                         }
6283
6284                         public void CopyTo (Control [] array, int index)
6285                         {
6286                                 base.CopyTo (array, index);
6287                         }
6288
6289                         public void Insert (int index, Control value)
6290                         {
6291                                 throw new NotSupportedException ();
6292                         }
6293
6294                         public override void Remove (Control value)
6295                         {
6296                                 if (value == owner.horizontalScrollBar)
6297                                         return;
6298
6299                                 if (value == owner.verticalScrollBar)
6300                                         return;
6301
6302                                 if (value == owner.editingControl)
6303                                         return;
6304
6305                                 base.Remove (value);
6306                         }
6307
6308                         internal void RemoveInternal (Control value)
6309                         {
6310                                 base.Remove (value);
6311                         }
6312
6313
6314                 }
6315
6316                 [ComVisibleAttribute(true)]
6317                 protected class DataGridViewAccessibleObject : ControlAccessibleObject {
6318
6319                         public DataGridViewAccessibleObject (DataGridView owner) : base (owner){
6320                         }
6321
6322                         public override AccessibleRole Role {
6323                                 get { return base.Role; }
6324                         }
6325
6326                         public override string Name {
6327                                 get { return base.Name; }
6328                         }
6329
6330                         public override AccessibleObject GetChild (int index) {
6331                                 return base.GetChild(index);
6332                         }
6333
6334                         public override int GetChildCount () {
6335                                 return base.GetChildCount();
6336                         }
6337
6338                         public override AccessibleObject GetFocused () {
6339                                 return base.GetFocused();
6340                         }
6341
6342                         public override AccessibleObject GetSelected () {
6343                                 return base.GetSelected();
6344                         }
6345
6346                         public override AccessibleObject HitTest (int x, int y) {
6347                                 return base.HitTest(x, y);
6348                         }
6349
6350                         public override AccessibleObject Navigate( AccessibleNavigation navigationDirection) {
6351                                 return base.Navigate(navigationDirection);
6352                         }
6353
6354                 }
6355
6356                 [ComVisible (true)]
6357                 protected class DataGridViewTopRowAccessibleObject : AccessibleObject
6358                 {
6359                         #region Constructors
6360                         public DataGridViewTopRowAccessibleObject ()
6361                         {
6362                         }
6363
6364                         public DataGridViewTopRowAccessibleObject (DataGridView owner)
6365                         {
6366                                 this.owner = owner;
6367                         }
6368                         #endregion
6369
6370                         #region Public Methods
6371                         public override AccessibleObject GetChild (int index)
6372                         {
6373                                 return base.GetChild (index);
6374                         }
6375
6376                         public override int GetChildCount ()
6377                         {
6378                                 return base.GetChildCount ();
6379                         }
6380
6381                         public override AccessibleObject Navigate (AccessibleNavigation navigationDirection)
6382                         {
6383                                 return base.Navigate (navigationDirection);
6384                         }
6385                         #endregion
6386
6387                         #region Public Properties
6388                         public override Rectangle Bounds {
6389                                 get { return base.Bounds; }
6390                         }
6391
6392                         public override string Name {
6393                                 get { return base.Name; }
6394                         }
6395
6396                         public DataGridView Owner {
6397                                 get { return (DataGridView)owner; }
6398                                 set {
6399                                         if (owner != null)
6400                                                 throw new InvalidOperationException ("owner has already been set");
6401
6402                                         owner = value;
6403                                 }
6404                         }
6405
6406                         public override AccessibleObject Parent {
6407                                 get { return base.Parent; }
6408                         }
6409
6410                         public override AccessibleRole Role {
6411                                 get { return base.Role; }
6412                         }
6413
6414                         public override string Value {
6415                                 get { return base.Value; }
6416                         }
6417                         #endregion
6418                 }
6419         }
6420 }
6421
6422 #endif