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

   1 // System.Windows.Forms.ToolBar.cs
   2 //
   3 // Permission is hereby granted, free of charge, to any person obtaining
   4 // a copy of this software and associated documentation files (the
   5 // "Software"), to deal in the Software without restriction, including
   6 // without limitation the rights to use, copy, modify, merge, publish,
   7 // distribute, sublicense, and/or sell copies of the Software, and to
   8 // permit persons to whom the Software is furnished to do so, subject to
   9 // the following conditions:
  10 //
  11 // The above copyright notice and this permission notice shall be
  12 // included in all copies or substantial portions of the Software.
  13 //
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  17 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  18 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  19 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  20 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  21 //
  22 // Author:
  23 //      Ravindra (rkumar@novell.com)
  24 //      Mike Kestner <mkestner@novell.com>
  25 //
  26 // TODO:
  27 //   - Tooltip
  28 //
  29 // Copyright (C) 2004-2006  Novell, Inc. (http://www.novell.com)
  30 //
  31
  32
  33 // NOT COMPLETE
  34
  35 using System.Collections;
  36 using System.ComponentModel;
  37 using System.ComponentModel.Design;
  38 using System.Drawing;
  39 using System.Drawing.Imaging;
  40 using System.Runtime.InteropServices;
  41
  42 namespace System.Windows.Forms
  43 {
  44         [DefaultEvent ("ButtonClick")]
  45         [DefaultProperty ("Buttons")]
  46         [Designer ("System.Windows.Forms.Design.ToolBarDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
  47         public class ToolBar : Control
  48         {
  49                 #region Instance Variables
  50                 bool size_specified = false;
  51                 ToolBarButton current_button;
  52                 #endregion Instance Variables
  53
  54                 #region Events
  55                 [Browsable (false)]
  56                 [EditorBrowsable (EditorBrowsableState.Never)]
  57                 public new event EventHandler BackColorChanged {
  58                         add { base.BackColorChanged += value; }
  59                         remove { base.BackColorChanged -= value; }
  60                 }
  61
  62                 [Browsable (false)]
  63                 [EditorBrowsable (EditorBrowsableState.Never)]
  64                 public new event EventHandler BackgroundImageChanged {
  65                         add { base.BackgroundImageChanged += value; }
  66                         remove { base.BackgroundImageChanged -= value; }
  67                 }
  68
  69                 public event ToolBarButtonClickEventHandler ButtonClick;
  70                 public event ToolBarButtonClickEventHandler ButtonDropDown;
  71
  72                 [Browsable (false)]
  73                 [EditorBrowsable (EditorBrowsableState.Never)]
  74                 public new event EventHandler ForeColorChanged {
  75                         add { base.ForeColorChanged += value; }
  76                         remove { base.ForeColorChanged -= value; }
  77                 }
  78
  79                 [Browsable (false)]
  80                 [EditorBrowsable (EditorBrowsableState.Never)]
  81                 public new event EventHandler ImeModeChanged {
  82                         add { base.ImeModeChanged += value; }
  83                         remove { base.ImeModeChanged -= value; }
  84                 }
  85
  86                 [Browsable (false)]
  87                 [EditorBrowsable (EditorBrowsableState.Never)]
  88                 public new event PaintEventHandler Paint {
  89                         add { base.Paint += value; }
  90                         remove { base.Paint -= value; }
  91                 }
  92
  93                 [Browsable (false)]
  94                 [EditorBrowsable (EditorBrowsableState.Never)]
  95                 public new event EventHandler RightToLeftChanged {
  96                         add { base.RightToLeftChanged += value; }
  97                         remove { base.RightToLeftChanged -= value; }
  98                 }
  99
 100                 [Browsable (false)]
 101                 [EditorBrowsable (EditorBrowsableState.Never)]
 102                 public new event EventHandler TextChanged {
 103                         add { base.TextChanged += value; }
 104                         remove { base.TextChanged -= value; }
 105                 }
 106                 #endregion Events
 107
 108                 #region Constructor
 109                 public ToolBar ()
 110                 {
 111                         background_color = ThemeEngine.Current.DefaultControlBackColor;
 112                         foreground_color = ThemeEngine.Current.DefaultControlForeColor;
 113                         buttons = new ToolBarButtonCollection (this);
 114                         dock_style = DockStyle.Top;
 115
 116                         MouseDown += new MouseEventHandler (ToolBar_MouseDown);
 117                         MouseLeave += new EventHandler (ToolBar_MouseLeave);
 118                         MouseMove += new MouseEventHandler (ToolBar_MouseMove);
 119                         MouseUp += new MouseEventHandler (ToolBar_MouseUp);
 120
 121                         SetStyle (ControlStyles.UserPaint, false);
 122                         SetStyle (ControlStyles.FixedHeight, true);
 123                 }
 124                 #endregion Constructor
 125
 126                 #region protected Properties
 127                 protected override CreateParams CreateParams
 128                 {
 129                         get { return base.CreateParams; }
 130                 }
 131
 132                 protected override ImeMode DefaultImeMode {
 133                         get { return ImeMode.Disable; }
 134                 }
 135
 136                 protected override Size DefaultSize {
 137                         get { return ThemeEngine.Current.ToolBarDefaultSize; }
 138                 }
 139                 #endregion
 140
 141                 ToolBarAppearance appearance = ToolBarAppearance.Normal;
 142
 143                 #region Public Properties
 144                 [DefaultValue (ToolBarAppearance.Normal)]
 145                 [Localizable (true)]
 146                 public ToolBarAppearance Appearance {
 147                         get { return appearance; }
 148                         set {
 149                                 if (value == appearance)
 150                                         return;
 151
 152                                 appearance = value;
 153                                 Redraw (false);
 154                         }
 155                 }
 156
 157                 bool autosize = true;
 158
 159                 [DefaultValue (true)]
 160                 [Localizable (true)]
 161                 public bool AutoSize {
 162                         get { return autosize; }
 163                         set {
 164                                 if (value == autosize)
 165                                         return;
 166
 167                                 autosize = value;
 168                                 Redraw (true);
 169                         }
 170                 }
 171
 172                 [Browsable (false)]
 173                 [EditorBrowsable (EditorBrowsableState.Never)]
 174                 public override Color BackColor {
 175                         get { return background_color; }
 176                         set {
 177                                 if (value == background_color)
 178                                         return;
 179
 180                                 background_color = value;
 181                                 OnBackColorChanged (EventArgs.Empty);
 182                                 Redraw (false);
 183                         }
 184                 }
 185
 186                 [Browsable (false)]
 187                 [EditorBrowsable (EditorBrowsableState.Never)]
 188                 public override Image BackgroundImage {
 189                         get { return background_image; }
 190                         set {
 191                                 if (value == background_image)
 192                                         return;
 193
 194                                 background_image = value;
 195                                 OnBackgroundImageChanged (EventArgs.Empty);
 196                                 Redraw (false);
 197                         }
 198                 }
 199
 200                 [DefaultValue (BorderStyle.None)]
 201                 [DispIdAttribute (-504)]
 202                 public BorderStyle BorderStyle {
 203                         get { return InternalBorderStyle; }
 204                         set { InternalBorderStyle = value; }
 205                 }
 206
 207                 ToolBarButtonCollection buttons;
 208
 209                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Content)]
 210                 [Localizable (true)]
 211                 [MergableProperty (false)]
 212                 public ToolBarButtonCollection Buttons {
 213                         get { return buttons; }
 214                 }
 215
 216                 Size button_size;
 217
 218                 [Localizable (true)]
 219                 [RefreshProperties (RefreshProperties.All)]
 220                 public Size ButtonSize {
 221                         get {
 222                                 if (button_size.IsEmpty) {
 223                                         if (buttons.Count == 0)
 224                                                 return new Size (39, 36);
 225                                         else
 226                                                 return CalcButtonSize ();
 227                                 }
 228                                 return button_size;
 229                         }
 230                         set {
 231                                 size_specified = true;
 232                                 if (button_size == value)
 233                                         return;
 234
 235                                 button_size = value;
 236                                 Redraw (true);
 237                         }
 238                 }
 239
 240                 bool divider = true;
 241
 242                 [DefaultValue (true)]
 243                 public bool Divider {
 244                         get { return divider; }
 245                         set {
 246                                 if (value == divider)
 247                                         return;
 248
 249                                 divider = value;
 250                                 Redraw (false);
 251                         }
 252                 }
 253
 254                 [DefaultValue (DockStyle.Top)]
 255                 [Localizable (true)]
 256                 public override DockStyle Dock {
 257                         get { return base.Dock; }
 258                         set { base.Dock = value; }
 259                 }
 260
 261                 bool drop_down_arrows = false;
 262
 263                 [DefaultValue (false)]
 264                 [Localizable (true)]
 265                 public bool DropDownArrows {
 266                         get { return drop_down_arrows; }
 267                         set {
 268                                 if (value == drop_down_arrows)
 269                                         return;
 270
 271                                 drop_down_arrows = value;
 272                                 Redraw (true);
 273                         }
 274                 }
 275
 276                 [Browsable (false)]
 277                 [EditorBrowsable (EditorBrowsableState.Never)]
 278                 public override Color ForeColor {
 279                         get { return foreground_color; }
 280                         set {
 281                                 if (value == foreground_color)
 282                                         return;
 283
 284                                 foreground_color = value;
 285                                 OnForeColorChanged (EventArgs.Empty);
 286                                 Redraw (false);
 287                         }
 288                 }
 289
 290                 ImageList image_list;
 291
 292                 [DefaultValue (null)]
 293                 public ImageList ImageList {
 294                         get { return image_list; }
 295                         set { image_list = value; }
 296                 }
 297
 298                 [Browsable (false)]
 299                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 300                 [EditorBrowsable (EditorBrowsableState.Advanced)]
 301                 public Size ImageSize {
 302                         get {
 303                                 if (ImageList == null)
 304                                         return Size.Empty;
 305
 306                                 return ImageList.ImageSize;
 307                         }
 308                 }
 309
 310                 ImeMode ime_mode;
 311
 312                 [Browsable (false)]
 313                 [EditorBrowsable (EditorBrowsableState.Never)]
 314                 public new ImeMode ImeMode {
 315                         get { return ime_mode; }
 316                         set {
 317                                 if (value == ime_mode)
 318                                         return;
 319
 320                                 ime_mode = value;
 321                                 OnImeModeChanged (EventArgs.Empty);
 322                         }
 323                 }
 324
 325                 [Browsable (false)]
 326                 [EditorBrowsable (EditorBrowsableState.Never)]
 327                 public override RightToLeft RightToLeft {
 328                         get { return base.RightToLeft; }
 329                         set {
 330                                 if (value == base.RightToLeft)
 331                                         return;
 332
 333                                 base.RightToLeft = value;
 334                                 OnRightToLeftChanged (EventArgs.Empty);
 335                         }
 336                 }
 337
 338                 bool show_tooltips = false;
 339
 340                 [DefaultValue (false)]
 341                 [Localizable (true)]
 342                 public bool ShowToolTips {
 343                         get { return show_tooltips; }
 344                         set { show_tooltips = value; }
 345                 }
 346
 347                 [DefaultValue (false)]
 348                 public new bool TabStop {
 349                         get { return base.TabStop; }
 350                         set { base.TabStop = value; }
 351                 }
 352
 353                 [Bindable (false)]
 354                 [Browsable (false)]
 355                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
 356                 [EditorBrowsable (EditorBrowsableState.Never)]
 357                 public override string Text {
 358                         get { return text; }
 359                         set {
 360                                 if (value == text)
 361                                         return;
 362
 363                                 text = value;
 364                                 Redraw (true);
 365                                 OnTextChanged (EventArgs.Empty);
 366                         }
 367                 }
 368
 369                 ToolBarTextAlign text_alignment = ToolBarTextAlign.Underneath;
 370
 371                 [DefaultValue (ToolBarTextAlign.Underneath)]
 372                 [Localizable (true)]
 373                 public ToolBarTextAlign TextAlign {
 374                         get { return text_alignment; }
 375                         set {
 376                                 if (value == text_alignment)
 377                                         return;
 378
 379                                 text_alignment = value;
 380                                 Redraw (true);
 381                         }
 382                 }
 383
 384                 bool wrappable = true;
 385
 386                 [DefaultValue (true)]
 387                 [Localizable (true)]
 388                 public bool Wrappable {
 389                         get { return wrappable; }
 390                         set {
 391                                 if (value == wrappable)
 392                                         return;
 393
 394                                 wrappable = value;
 395                                 Redraw (true);
 396                         }
 397                 }
 398                 #endregion Public Properties
 399
 400                 #region Public Methods
 401                 public override string ToString ()
 402                 {
 403                         int count = this.Buttons.Count;
 404
 405                         if (count == 0)
 406                                 return string.Format ("System.Windows.Forms.ToolBar, Button.Count: 0");
 407                         else
 408                                 return string.Format ("System.Windows.Forms.ToolBar, Button.Count: {0}, Buttons[0]: {1}",
 409                                                       count, this.Buttons [0].ToString ());
 410                 }
 411                 #endregion Public Methods
 412
 413                 #region Protected Methods
 414                 protected override void CreateHandle ()
 415                 {
 416                         base.CreateHandle ();
 417                 }
 418
 419                 protected override void Dispose (bool disposing)
 420                 {
 421                         if (disposing)
 422                                 ImageList = null;
 423
 424                         base.Dispose (disposing);
 425                 }
 426
 427                 protected virtual void OnButtonClick (ToolBarButtonClickEventArgs e)
 428                 {
 429                         if (e.Button.Style == ToolBarButtonStyle.ToggleButton) {
 430                                 if (! e.Button.Pushed)
 431                                         e.Button.Pushed = true;
 432                                 else
 433                                         e.Button.Pushed = false;
 434                         }
 435                         e.Button.pressed = false;
 436
 437                         Invalidate (e.Button.Rectangle);
 438                         Redraw (false);
 439
 440                         if (ButtonClick != null)
 441                                 ButtonClick (this, e);
 442                 }
 443
 444                 protected virtual void OnButtonDropDown (ToolBarButtonClickEventArgs e)
 445                 {
 446                         if (ButtonDropDown != null)
 447                                 ButtonDropDown (this, e);
 448
 449                         if (e.Button.DropDownMenu == null)
 450                                 return;
 451
 452                         Point loc = new Point (e.Button.Rectangle.X + 1, e.Button.Rectangle.Bottom + 1);
 453                         ((ContextMenu) e.Button.DropDownMenu).Show (this, loc);
 454
 455                         e.Button.dd_pressed = false;
 456                         Invalidate (e.Button.Rectangle);
 457                 }
 458
 459                 protected override void OnFontChanged (EventArgs e)
 460                 {
 461                         base.OnFontChanged (e);
 462                         Redraw (true);
 463                 }
 464
 465                 protected override void OnHandleCreated (EventArgs e)
 466                 {
 467                         base.OnHandleCreated (e);
 468                 }
 469
 470                 protected override void OnResize (EventArgs e)
 471                 {
 472                         base.OnResize (e);
 473
 474                         if (Width <= 0 || Height <= 0 || !Visible)
 475                                 return;
 476
 477                         Redraw (true);
 478                 }
 479
 480                 protected override void SetBoundsCore (int x, int y, int width, int height, BoundsSpecified specified)
 481                 {
 482                         base.SetBoundsCore (x, y, width, height, specified);
 483                 }
 484
 485                 protected override void WndProc (ref Message m)
 486                 {
 487                         base.WndProc (ref m);
 488                 }
 489
 490                 #endregion Protected Methods
 491
 492                 #region Private Methods
 493                 private void ToolBar_MouseDown (object sender, MouseEventArgs me)
 494                 {
 495                         if (!Enabled)
 496                                 return;
 497
 498                         Point loc = new Point (me.X, me.Y);
 499
 500                         // draw the pushed button
 501                         foreach (ToolBarButton button in buttons) {
 502                                 if (button.Enabled && button.Rectangle.Contains (loc)) {
 503                                         // Mark the DropDown rect as pressed.
 504                                         // We don't redraw the dropdown rect.
 505                                         if (button.Style == ToolBarButtonStyle.DropDownButton) {
 506                                                 Rectangle rect = button.Rectangle;
 507                                                 rect.Width = ThemeEngine.Current.ToolBarDropDownWidth;
 508                                                 rect.X = button.Rectangle.Right - rect.Width;
 509                                                 if (rect.Contains (loc)) {
 510                                                         if (button.DropDownMenu != null) {
 511                                                                 button.dd_pressed = true;
 512                                                                 Invalidate (rect);
 513                                                         }
 514                                                         break;
 515                                                 }
 516                                         }
 517                                         button.pressed = true;
 518                                         button.inside = true;
 519                                         Invalidate (button.Rectangle);
 520                                         break;
 521                                 }
 522                         }
 523                 }
 524
 525                 private void ToolBar_MouseUp (object sender, MouseEventArgs me)
 526                 {
 527                         if (!Enabled)
 528                                 return;
 529
 530                         Point loc = new Point (me.X, me.Y);
 531
 532                         // draw the normal button
 533                         // Make a copy in case the list is modified during enumeration
 534                         ArrayList buttons = new ArrayList (this.buttons);
 535                         foreach (ToolBarButton button in buttons) {
 536                                 if (button.Enabled && button.Rectangle.Contains (loc)) {
 537                                         if (button.Style == ToolBarButtonStyle.DropDownButton) {
 538                                                 Rectangle ddRect = button.Rectangle;
 539                                                 ddRect.Width = ThemeEngine.Current.ToolBarDropDownWidth;
 540                                                 ddRect.X = button.Rectangle.Right - ddRect.Width;
 541                                                 if (ddRect.Contains (loc)) {
 542                                                         if (button.dd_pressed)
 543                                                                 OnButtonDropDown (new ToolBarButtonClickEventArgs (button));
 544                                                         continue;
 545                                                 }
 546                                         }
 547                                         // Fire a ButtonClick
 548                                         if (button.pressed)
 549                                                 OnButtonClick (new ToolBarButtonClickEventArgs (button));
 550                                 } else if (button.pressed) {
 551                                         button.pressed = false;
 552                                         Invalidate (button.Rectangle);
 553                                 }
 554                         }
 555                 }
 556
 557                 private void ToolBar_MouseLeave (object sender, EventArgs e)
 558                 {
 559                         if (!Enabled || appearance != ToolBarAppearance.Flat || current_button == null)
 560                                 return;
 561
 562                         if (current_button.Hilight) {
 563                                 current_button.Hilight = false;
 564                                 Invalidate (current_button.Rectangle);
 565                                 Redraw (false);
 566                         }
 567                         current_button = null;
 568                 }
 569
 570                 private void ToolBar_MouseMove (object sender, MouseEventArgs me)
 571                 {
 572                         if (!Enabled)
 573                                 return;
 574
 575                         Point loc = new Point (me.X, me.Y);
 576
 577                         if (this.Capture) {
 578                                 // If the button was pressed and we leave, release the
 579                                 // button press and vice versa
 580                                 foreach (ToolBarButton button in buttons) {
 581                                         if (button.pressed &&
 582                                             (button.inside != button.Rectangle.Contains (loc))) {
 583                                                 button.inside = button.Rectangle.Contains (loc);
 584                                                 button.Hilight = false;
 585                                                 Invalidate (button.Rectangle);
 586                                                 Redraw (false);
 587                                                 break;
 588                                         }
 589                                 }
 590                         }
 591                         // following is only for flat style toolbar
 592                         else if (appearance == ToolBarAppearance.Flat) {
 593                                 if (current_button != null && current_button.Rectangle.Contains (loc)) {
 594                                         if (current_button.Hilight || current_button.Pushed)
 595                                                 return;
 596                                         current_button.Hilight = true;
 597                                         Invalidate (current_button.Rectangle);
 598                                         Redraw (false);
 599                                 }
 600                                 else {
 601                                         foreach (ToolBarButton button in buttons) {
 602                                                 if (button.Rectangle.Contains (loc) && button.Enabled) {
 603                                                         current_button = button;
 604                                                         if (current_button.Hilight || current_button.Pushed)
 605                                                                 continue;
 606                                                         current_button.Hilight = true;
 607                                                         Invalidate (current_button.Rectangle);
 608                                                         Redraw (false);
 609                                                 }
 610                                                 else if (button.Hilight) {
 611                                                         button.Hilight = false;
 612                                                         Invalidate (button.Rectangle);
 613                                                         Redraw (false);
 614                                                 }
 615                                         }
 616                                 }
 617                         }
 618                 }
 619
 620                 internal override void OnPaintInternal (PaintEventArgs pevent)
 621                 {
 622                         ThemeEngine.Current.DrawToolBar (pevent.Graphics, pevent.ClipRectangle, this);
 623                 }
 624
 625                 internal void Redraw (bool recalculate)
 626                 {
 627                         if (recalculate)
 628                                 Layout ();
 629
 630                         Refresh ();
 631                 }
 632
 633                 private Size CalcButtonSize ()
 634                 {
 635                         String longestText = buttons [0].Text;
 636                         for (int i = 1; i < buttons.Count; i++) {
 637                                 if (buttons[i].Text.Length > longestText.Length)
 638                                         longestText = buttons[i].Text;
 639                         }
 640
 641                         SizeF sz = this.DeviceContext.MeasureString (longestText, this.Font);
 642                         Size size = new Size ((int) Math.Ceiling (sz.Width), (int) Math.Ceiling (sz.Height));
 643
 644                         if (ImageList != null) {
 645                                 // adjustment for the image grip
 646                                 int imgWidth = this.ImageSize.Width + 2 * ThemeEngine.Current.ToolBarImageGripWidth;
 647                                 int imgHeight = this.ImageSize.Height + 2 * ThemeEngine.Current.ToolBarImageGripWidth;
 648
 649                                 if (text_alignment == ToolBarTextAlign.Right) {
 650                                         size.Width = imgWidth + size.Width;
 651                                         size.Height = (size.Height > imgHeight) ? size.Height : imgHeight;
 652                                 }
 653                                 else {
 654                                         size.Height = imgHeight + size.Height;
 655                                         size.Width = (size.Width > imgWidth) ? size.Width : imgWidth;
 656                                 }
 657                         }
 658                         return size;
 659                 }
 660
 661                 void Layout ()
 662                 {
 663                         Theme theme = ThemeEngine.Current;
 664                         int ht = ButtonSize.Height + theme.ToolBarGripWidth;
 665                         int x = theme.ToolBarGripWidth;
 666                         int y = theme.ToolBarGripWidth;
 667
 668                         if (Wrappable) {
 669                                 int separator_index = -1;
 670
 671                                 for (int i = 0; i < buttons.Count; i++) {
 672                                         ToolBarButton button = buttons [i];
 673
 674                                         if (!button.Visible)
 675                                                 continue;
 676
 677                                         if (size_specified)
 678                                                 button.Layout (ButtonSize);
 679                                         else
 680                                                 button.Layout ();
 681
 682                                         bool is_separator = button.Style == ToolBarButtonStyle.Separator;
 683
 684                                         if (x + button.Rectangle.Width < Width || is_separator) {
 685                                                 button.Location = new Point (x, y);
 686                                                 x += button.Rectangle.Width;
 687                                                 if (is_separator)
 688                                                         separator_index = i;
 689                                         } else if (separator_index > 0) {
 690                                                 i = separator_index;
 691                                                 separator_index = -1;
 692                                                 x = theme.ToolBarGripWidth;
 693                                                 y += ht;
 694                                         } else {
 695                                                 x = theme.ToolBarGripWidth;
 696                                                 y += ht;
 697                                                 button.Location = new Point (x, y);
 698                                                 x += button.Rectangle.Width;
 699                                         }
 700                                 }
 701                                 if (AutoSize)
 702                                         Height = y + ht;
 703                         } else {
 704                                 if (AutoSize)
 705                                         Height = ht;
 706                                 else
 707                                         Height = DefaultSize.Height;
 708                                 foreach (ToolBarButton button in buttons) {
 709                                         if (size_specified)
 710                                                 button.Layout (ButtonSize);
 711                                         else
 712                                                 button.Layout ();
 713                                         button.Location = new Point (x, y);
 714                                         x += button.Rectangle.Width;
 715                                 }
 716                         }
 717                 }
 718                 #endregion Private Methods
 719
 720                 #region subclass
 721                 public class ToolBarButtonCollection : IList, ICollection, IEnumerable
 722                 {
 723                         #region instance variables
 724                         private ArrayList list;
 725                         private ToolBar owner;
 726                         #endregion
 727
 728                         #region constructors
 729                         public ToolBarButtonCollection (ToolBar owner)
 730                         {
 731                                 this.owner = owner;
 732                                 list = new ArrayList ();
 733                         }
 734                         #endregion
 735
 736                         #region properties
 737                         [Browsable (false)]
 738                         public int Count {
 739                                 get { return list.Count; }
 740                         }
 741
 742                         public bool IsReadOnly {
 743                                 get { return list.IsReadOnly; }
 744                         }
 745
 746                         public virtual ToolBarButton this [int index] {
 747                                 get { return (ToolBarButton) list [index]; }
 748                                 set {
 749                                         value.SetParent (owner);
 750                                         list [index] = value;
 751                                         owner.Redraw (true);
 752                                 }
 753                         }
 754
 755                         bool ICollection.IsSynchronized {
 756                                 get { return list.IsSynchronized; }
 757                         }
 758
 759                         object ICollection.SyncRoot {
 760                                 get { return list.SyncRoot; }
 761                         }
 762
 763                         bool IList.IsFixedSize {
 764                                 get { return list.IsFixedSize; }
 765                         }
 766
 767                         object IList.this [int index] {
 768                                 get { return this [index]; }
 769                                 set {
 770                                         if (! (value is ToolBarButton))
 771                                                 throw new ArgumentException("Not of type ToolBarButton", "value");
 772                                         this [index] = (ToolBarButton) value;
 773                                 }
 774                         }
 775                         #endregion
 776
 777                         #region methods
 778                         public int Add (string text)
 779                         {
 780                                 ToolBarButton button = new ToolBarButton (text);
 781                                 return this.Add (button);
 782                         }
 783
 784                         public int Add (ToolBarButton button)
 785                         {
 786                                 int result;
 787                                 button.SetParent (owner);
 788                                 result = list.Add (button);
 789                                 owner.Redraw (true);
 790                                 return result;
 791                         }
 792
 793                         public void AddRange (ToolBarButton [] buttons)
 794                         {
 795                                 foreach (ToolBarButton button in buttons)
 796                                         Add (button);
 797                         }
 798
 799                         public void Clear ()
 800                         {
 801                                 list.Clear ();
 802                                 owner.Redraw (false);
 803                         }
 804
 805                         public bool Contains (ToolBarButton button)
 806                         {
 807                                 return list.Contains (button);
 808                         }
 809
 810                         public IEnumerator GetEnumerator ()
 811                         {
 812                                 return list.GetEnumerator ();
 813                         }
 814
 815                         void ICollection.CopyTo (Array dest, int index)
 816                         {
 817                                 list.CopyTo (dest, index);
 818                         }
 819
 820                         int IList.Add (object button)
 821                         {
 822                                 if (! (button is ToolBarButton)) {
 823                                         throw new ArgumentException("Not of type ToolBarButton", "button");
 824                                 }
 825
 826                                 return this.Add ((ToolBarButton) button);
 827                         }
 828
 829                         bool IList.Contains (object button)
 830                         {
 831                                 if (! (button is ToolBarButton)) {
 832                                         throw new ArgumentException("Not of type ToolBarButton", "button");
 833                                 }
 834
 835                                 return this.Contains ((ToolBarButton) button);
 836                         }
 837
 838                         int IList.IndexOf (object button)
 839                         {
 840                                 if (! (button is ToolBarButton)) {
 841                                         throw new ArgumentException("Not of type ToolBarButton", "button");
 842                                 }
 843
 844                                 return this.IndexOf ((ToolBarButton) button);
 845                         }
 846
 847                         void IList.Insert (int index, object button)
 848                         {
 849                                 if (! (button is ToolBarButton)) {
 850                                         throw new ArgumentException("Not of type ToolBarButton", "button");
 851                                 }
 852
 853                                 this.Insert (index, (ToolBarButton) button);
 854                         }
 855
 856                         void IList.Remove (object button)
 857                         {
 858                                 if (! (button is ToolBarButton)) {
 859                                         throw new ArgumentException("Not of type ToolBarButton", "button");
 860                                 }
 861
 862                                 this.Remove ((ToolBarButton) button);
 863                         }
 864
 865                         public int IndexOf (ToolBarButton button)
 866                         {
 867                                 return list.IndexOf (button);
 868                         }
 869
 870                         public void Insert (int index, ToolBarButton button)
 871                         {
 872                                 list.Insert (index, button);
 873                                 owner.Redraw (true);
 874                         }
 875
 876                         public void Remove (ToolBarButton button)
 877                         {
 878                                 list.Remove (button);
 879                                 owner.Redraw (true);
 880                         }
 881
 882                         public void RemoveAt (int index)
 883                         {
 884                                 list.RemoveAt (index);
 885                                 owner.Redraw (true);
 886                         }
 887                         #endregion methods
 888                 }
 889                 #endregion subclass
 890         }
 891 }