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