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:
9 // The above copyright notice and this permission notice shall be
10 // included in all copies or substantial portions of the Software.
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.
20 // Copyright (c) 2004-2006 Novell, Inc.
23 // Peter Bartok pbartok@novell.com
25 // Partially based on work by:
26 // Aleksey Ryabchuk ryabchuk@yahoo.com
27 // Alexandre Pigolkine pigolkine@gmx.de
28 // Dennis Hayes dennish@raytek.com
29 // Jaak Simm jaaksimm@firm.ee
30 // John Sohn jsohn@columbus.rr.com
39 using System.ComponentModel;
40 using System.ComponentModel.Design;
41 using System.ComponentModel.Design.Serialization;
42 using System.Collections;
43 using System.Diagnostics;
45 using System.Drawing.Drawing2D;
46 using System.Reflection;
47 using System.Runtime.InteropServices;
48 using System.Security;
49 using System.Threading;
51 namespace System.Windows.Forms
53 [Designer("System.Windows.Forms.Design.ControlDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
54 [DefaultProperty("Text")]
55 [DefaultEvent("Click")]
56 [DesignerSerializer("System.Windows.Forms.Design.ControlCodeDomSerializer, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.Serialization.CodeDomSerializer, " + Consts.AssemblySystem_Design)]
57 [ToolboxItemFilter("System.Windows.Forms")]
58 public class Control : Component, ISynchronizeInvoke, IWin32Window
60 #region Local Variables
63 internal Rectangle bounds; // bounding rectangle for control (client area + decorations)
64 Rectangle explicit_bounds; // explicitly set bounds
65 internal object creator_thread; // thread that created the control
66 internal ControlNativeWindow window; // object for native window handle
67 string name; // for object naming
70 bool is_created; // true if OnCreateControl has been sent
71 internal bool has_focus; // true if control has focus
72 internal bool is_visible; // true if control is visible
73 internal bool is_entered; // is the mouse inside the control?
74 internal bool is_enabled; // true if control is enabled (usable/not grayed out)
75 bool is_accessible; // true if the control is visible to accessibility applications
76 bool is_captured; // tracks if the control has captured the mouse
77 internal bool is_toplevel; // tracks if the control is a toplevel window
78 bool is_recreating; // tracks if the handle for the control is being recreated
79 bool causes_validation; // tracks if validation is executed on changes
80 bool is_focusing; // tracks if Focus has been called on the control and has not yet finished
81 int tab_index; // position in tab order of siblings
82 bool tab_stop; // is the control a tab stop?
83 bool is_disposed; // has the window already been disposed?
84 Size client_size; // size of the client area (window excluding decorations)
85 Rectangle client_rect; // rectangle with the client area (window excluding decorations)
86 ControlStyles control_style; // rather win32-specific, style bits for control
88 bool layout_pending; // true if our parent needs to re-layout us
89 object control_tag; // object that contains data about our control
90 internal int mouse_clicks; // Counter for mouse clicks
91 Cursor cursor; // Cursor for the window
92 internal bool allow_drop; // true if the control accepts droping objects on it
93 Region clip_region; // User-specified clip region for the window
96 internal Color foreground_color; // foreground color for control
97 internal Color background_color; // background color for control
98 Image background_image; // background image for control
99 internal Font font; // font for control
100 string text; // window/title text for control
101 internal BorderStyle border_style; // Border style of control
104 int layout_suspended;
105 internal AnchorStyles anchor_style; // anchoring requirements for our control
106 internal DockStyle dock_style; // docking requirements for our control (supercedes anchoring)
107 // Please leave the next 4 as internal until DefaultLayout (2.0) is rewritten
108 internal int dist_left; // distance to the left border of the parent
109 internal int dist_top; // distance to the top border of the parent
110 internal int dist_right; // distance to the right border of the parent
111 internal int dist_bottom; // distance to the bottom border of the parent
113 // to be categorized...
114 ControlCollection child_controls; // our children
115 Control parent; // our parent control
116 AccessibleObject accessibility_object; // object that contains accessibility information about our control
117 BindingContext binding_context;
118 RightToLeft right_to_left; // drawing direction for control
119 ContextMenu context_menu; // Context menu associated with the control
122 Graphics backbuffer_dc;
124 Region invalid_region;
126 ControlBindingsCollection data_bindings;
129 internal bool use_compatible_text_rendering;
130 static bool verify_thread_handle;
136 Layout.LayoutEngine layout_engine;
139 #endregion // Local Variables
141 #region Private Classes
142 // This helper class allows us to dispatch messages to Control.WndProc
143 internal class ControlNativeWindow : NativeWindow {
144 private Control owner;
146 public ControlNativeWindow(Control control) : base() {
151 public Control Owner {
157 static internal Control ControlFromHandle(IntPtr hWnd) {
158 ControlNativeWindow window;
160 window = (ControlNativeWindow)window_collection[hWnd];
161 if (window != null) {
168 static internal Control ControlFromChildHandle (IntPtr handle) {
169 ControlNativeWindow window;
171 Hwnd hwnd = Hwnd.ObjectFromHandle (handle);
172 while (hwnd != null) {
173 window = (ControlNativeWindow)window_collection[hwnd.Handle];
174 if (window != null) {
183 protected override void WndProc(ref Message m) {
184 owner.WndProc(ref m);
189 #region Public Classes
191 public class ControlAccessibleObject : AccessibleObject {
194 #region ControlAccessibleObject Constructors
195 public ControlAccessibleObject(Control ownerControl)
196 : base (ownerControl)
198 this.owner = ownerControl;
200 #endregion // ControlAccessibleObject Constructors
202 #region ControlAccessibleObject Public Instance Properties
203 public override string DefaultAction {
205 return base.DefaultAction;
209 public override string Description {
211 return base.Description;
215 public IntPtr Handle {
221 // We don't want to let them set it
225 public override string Help {
231 public override string KeyboardShortcut {
233 return base.KeyboardShortcut;
237 public override string Name {
247 public Control Owner {
253 public override AccessibleObject Parent {
260 public override AccessibleRole Role {
265 #endregion // ControlAccessibleObject Public Instance Properties
267 #region ControlAccessibleObject Public Instance Methods
268 public override int GetHelpTopic(out string FileName) {
269 return base.GetHelpTopic (out FileName);
272 [MonoTODO("Implement this and tie it into Control.AccessibilityNotifyClients")]
273 public void NotifyClients(AccessibleEvents accEvent) {
274 throw new NotImplementedException();
277 [MonoTODO("Implement this and tie it into Control.AccessibilityNotifyClients")]
278 public void NotifyClients(AccessibleEvents accEvent, int childID) {
279 throw new NotImplementedException();
282 public override string ToString() {
283 return "ControlAccessibleObject: Owner = " + owner.ToString() + ", Text: " + owner.text;
286 #endregion // ControlAccessibleObject Public Instance Methods
289 [DesignerSerializer("System.Windows.Forms.Design.ControlCollectionCodeDomSerializer, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.Serialization.CodeDomSerializer, " + Consts.AssemblySystem_Design)]
290 [ListBindable(false)]
291 public class ControlCollection : IList, ICollection, ICloneable, IEnumerable {
292 #region ControlCollection Local Variables
295 Control[] all_controls;
297 #endregion // ControlCollection Local Variables
299 #region ControlCollection Public Constructor
300 public ControlCollection(Control owner) {
302 this.list=new ArrayList();
306 #region ControlCollection Public Instance Properties
313 public bool IsReadOnly {
315 return list.IsReadOnly;
319 public virtual Control this[int index] {
321 if (index < 0 || index >= list.Count) {
322 throw new ArgumentOutOfRangeException("index", index, "ControlCollection does not have that many controls");
324 return (Control)list[index];
327 #endregion // ControlCollection Public Instance Properties
329 #region ControlCollection Private Instance Methods
330 public virtual void Add (Control value)
335 if (Contains (value)) {
336 owner.PerformLayout();
340 if (value.tab_index == -1) {
346 end = owner.child_controls.Count;
347 for (int i = 0; i < end; i++) {
348 index = owner.child_controls[i].tab_index;
353 value.tab_index = use;
356 if (value.parent != null) {
357 value.parent.Controls.Remove(value);
363 value.ChangeParent(owner);
367 owner.UpdateChildrenZOrder();
368 owner.PerformLayout(value, "Parent");
369 owner.OnControlAdded(new ControlEventArgs(value));
372 internal void AddToList (Control c)
378 internal virtual void AddImplicit (Control control)
380 if (impl_list == null)
381 impl_list = new ArrayList ();
383 if (AllContains (control))
387 impl_list.Add (control);
389 control.ChangeParent (owner);
390 control.InitLayout ();
391 owner.UpdateChildrenZOrder ();
392 owner.PerformLayout (control, "Parent");
393 owner.OnControlAdded (new ControlEventArgs (control));
396 public virtual void AddRange (Control[] controls)
398 if (controls == null)
399 throw new ArgumentNullException ("controls");
401 owner.SuspendLayout ();
404 for (int i = 0; i < controls.Length; i++)
407 owner.ResumeLayout ();
411 internal virtual void AddRangeImplicit (Control [] controls)
413 if (controls == null)
414 throw new ArgumentNullException ("controls");
416 owner.SuspendLayout ();
419 for (int i = 0; i < controls.Length; i++)
420 AddImplicit (controls [i]);
422 owner.ResumeLayout ();
426 public virtual void Clear ()
430 // MS sends remove events in reverse order
431 while (list.Count > 0) {
432 Remove((Control)list[list.Count - 1]);
436 internal virtual void ClearImplicit ()
438 if (impl_list == null)
444 public bool Contains (Control value)
446 for (int i = list.Count; i > 0; ) {
449 if (list [i] == value) {
450 // Do we need to do anything here?
457 internal bool ImplicitContains (Control value)
459 if (impl_list == null)
462 for (int i = impl_list.Count; i > 0; ) {
465 if (impl_list [i] == value) {
466 // Do we need to do anything here?
473 internal bool AllContains (Control value)
475 return Contains (value) || ImplicitContains (value);
478 public void CopyTo (Array array, int index)
480 list.CopyTo(array, index);
483 public override bool Equals(object other) {
484 if (other is ControlCollection && (((ControlCollection)other).owner==this.owner)) {
491 public int GetChildIndex(Control child) {
492 return GetChildIndex(child, false);
495 public int GetChildIndex(Control child, bool throwException) {
498 index=list.IndexOf(child);
500 if (index==-1 && throwException) {
501 throw new ArgumentException("Not a child control", "child");
506 public IEnumerator GetEnumerator() {
507 return list.GetEnumerator();
510 internal IEnumerator GetAllEnumerator ()
512 Control [] res = GetAllControls ();
513 return res.GetEnumerator ();
516 internal Control [] GetAllControls ()
518 if (all_controls != null)
521 if (impl_list == null) {
522 all_controls = (Control []) list.ToArray (typeof (Control));
526 all_controls = new Control [list.Count + impl_list.Count];
527 impl_list.CopyTo (all_controls);
528 list.CopyTo (all_controls, impl_list.Count);
533 public override int GetHashCode() {
534 return base.GetHashCode();
537 public int IndexOf(Control control) {
538 return list.IndexOf(control);
541 public virtual void Remove(Control value) {
545 owner.PerformLayout(value, "Parent");
546 owner.OnControlRemoved(new ControlEventArgs(value));
551 value.ChangeParent(null);
553 owner.UpdateChildrenZOrder();
556 internal virtual void RemoveImplicit (Control control)
558 if (impl_list != null) {
560 owner.PerformLayout (control, "Parent");
561 owner.OnControlRemoved (new ControlEventArgs (control));
562 impl_list.Remove (control);
564 control.ChangeParent (null);
565 owner.UpdateChildrenZOrder ();
568 public void RemoveAt(int index) {
569 if (index < 0 || index >= list.Count) {
570 throw new ArgumentOutOfRangeException("index", index, "ControlCollection does not have that many controls");
572 Remove ((Control)list[index]);
575 public void SetChildIndex(Control child, int newIndex) {
577 throw new ArgumentNullException ("child");
581 old_index=list.IndexOf(child);
583 throw new ArgumentException("Not a child control", "child");
586 if (old_index==newIndex) {
591 list.RemoveAt(old_index);
593 if (newIndex>list.Count) {
596 list.Insert(newIndex, child);
598 child.UpdateZOrder();
599 owner.PerformLayout();
601 #endregion // ControlCollection Private Instance Methods
603 #region ControlCollection Interface Properties
604 object IList.this[int index] {
606 if (index<0 || index>=list.Count) {
607 throw new ArgumentOutOfRangeException("index", index, "ControlCollection does not have that many controls");
613 if (!(value is Control)) {
614 throw new ArgumentException("Object of type Control required", "value");
618 Control ctrl = (Control) value;
621 ctrl.ChangeParent(owner);
625 owner.UpdateChildrenZOrder();
626 owner.PerformLayout(ctrl, "Parent");
630 bool IList.IsFixedSize {
636 bool ICollection.IsSynchronized {
638 return list.IsSynchronized;
642 object ICollection.SyncRoot {
644 return list.SyncRoot;
647 #endregion // ControlCollection Interface Properties
649 #region ControlCollection Interface Methods
650 int IList.Add(object value) {
652 throw new ArgumentNullException("value", "Cannot add null controls");
655 if (!(value is Control)) {
656 throw new ArgumentException("Object of type Control required", "value");
659 return list.Add(value);
662 bool IList.Contains(object value) {
663 if (!(value is Control)) {
664 throw new ArgumentException("Object of type Control required", "value");
667 return this.Contains((Control) value);
670 int IList.IndexOf(object value) {
671 if (!(value is Control)) {
672 throw new ArgumentException("Object of type Control required", "value");
675 return this.IndexOf((Control) value);
678 void IList.Insert(int index, object value) {
679 if (!(value is Control)) {
680 throw new ArgumentException("Object of type Control required", "value");
683 list.Insert(index, value);
686 void IList.Remove(object value) {
687 if (!(value is Control)) {
688 throw new ArgumentException("Object of type Control required", "value");
694 Object ICloneable.Clone() {
695 ControlCollection clone = new ControlCollection(this.owner);
696 clone.list=(ArrayList)list.Clone(); // FIXME: Do we need this?
699 #endregion // ControlCollection Interface Methods
701 #endregion // ControlCollection Class
703 #region Public Constructors
706 anchor_style = AnchorStyles.Top | AnchorStyles.Left;
714 layout_pending = false;
716 causes_validation = true;
718 layout_suspended = 0;
722 right_to_left = RightToLeft.Inherit;
723 border_style = BorderStyle.None;
724 background_color = Color.Empty;
730 ime_mode = ImeMode.Inherit;
733 use_compatible_text_rendering = Application.use_compatible_text_rendering;
734 padding = new Padding(0);
735 maximum_size = new Size();
736 minimum_size = new Size();
737 preferred_size = new Size();
738 margin = this.DefaultMargin;
739 layout_engine = this.LayoutEngine;
742 control_style = ControlStyles.UserPaint | ControlStyles.AllPaintingInWmPaint |
743 ControlStyles.Selectable | ControlStyles.StandardClick |
744 ControlStyles.StandardDoubleClick;
746 control_style |= ControlStyles.UseTextForAccessibility;
750 background_image = null;
754 window = new ControlNativeWindow(this);
755 child_controls = CreateControlsInstance();
756 client_size = new Size(DefaultSize.Width, DefaultSize.Height);
757 client_rect = new Rectangle(0, 0, DefaultSize.Width, DefaultSize.Height);
758 XplatUI.CalculateWindowRect(ref client_rect, CreateParams.Style, CreateParams.ExStyle, null, out bounds);
759 if ((CreateParams.Style & (int)WindowStyles.WS_CHILD) == 0) {
765 public Control(Control parent, string text) : this() {
770 public Control(Control parent, string text, int left, int top, int width, int height) : this() {
775 bounds.Height=height;
776 SetBounds(left, top, width, height, BoundsSpecified.All);
780 public Control(string text) : this() {
784 public Control(string text, int left, int top, int width, int height) : this() {
788 bounds.Height=height;
789 SetBounds(left, top, width, height, BoundsSpecified.All);
793 private delegate void RemoveDelegate(object c);
795 protected override void Dispose(bool disposing) {
796 if (!is_disposed && disposing) {
799 DisposeBackBuffer ();
801 if (invalid_region!=null) {
802 invalid_region.Dispose();
805 if (this.InvokeRequired) {
806 if (Application.MessageLoop) {
807 this.BeginInvokeInternal(new MethodInvoker(DestroyHandle), null, true);
813 if (parent != null) {
814 parent.Controls.Remove(this);
817 Control [] children = child_controls.GetAllControls ();
818 for (int i=0; i<children.Length; i++) {
819 children[i].parent = null; // Need to set to null or our child will try and remove from ourselves and crash
820 children[i].Dispose();
825 base.Dispose(disposing);
827 #endregion // Public Constructors
829 #region Internal Properties
830 internal BorderStyle InternalBorderStyle {
836 if (!Enum.IsDefined (typeof (BorderStyle), value))
837 throw new InvalidEnumArgumentException (string.Format("Enum argument value '{0}' is not valid for BorderStyle", value));
839 if (border_style != value) {
840 border_style = value;
842 if (IsHandleCreated) {
843 XplatUI.SetBorderStyle(window.Handle, (FormBorderStyle)border_style);
849 #endregion // Internal Properties
851 #region Private & Internal Methods
852 internal IAsyncResult BeginInvokeInternal (Delegate method, object [] args, bool disposing) {
853 AsyncMethodResult result;
854 AsyncMethodData data;
859 if (!p.IsHandleCreated) {
860 throw new InvalidOperationException("Cannot call Invoke or InvokeAsync on a control until the window handle is created");
866 result = new AsyncMethodResult ();
867 data = new AsyncMethodData ();
869 data.Handle = window.Handle;
870 data.Method = method;
872 data.Result = result;
875 if (!ExecutionContext.IsFlowSuppressed ()) {
876 data.Context = ExecutionContext.Capture ();
879 #if !MWF_ON_MSRUNTIME
880 if (SecurityManager.SecurityEnabled) {
881 data.Stack = CompressedStack.GetCompressedStack ();
886 XplatUI.SendAsyncMethod (data);
891 internal void PointToClient (ref int x, ref int y)
893 XplatUI.ScreenToClient (Handle, ref x, ref y);
896 internal void PointToScreen (ref int x, ref int y)
898 XplatUI.ClientToScreen (Handle, ref x, ref y);
901 internal bool IsRecreating {
903 return is_recreating;
907 internal Graphics DeviceContext {
908 get { return Hwnd.bmp_g; }
911 private void InvalidateBackBuffer ()
913 if (invalid_region != null)
914 invalid_region.Dispose();
915 invalid_region = new Region (ClientRectangle);
918 private void CreateBackBuffer ()
920 if (backbuffer != null)
926 if (width < 1) width = 1;
927 if (height < 1) height = 1;
929 XplatUI.CreateOffscreenDrawable (Handle, width, height, out backbuffer, out backbuffer_dc);
930 InvalidateBackBuffer ();
933 private void DisposeBackBuffer ()
935 if (backbuffer == null)
938 XplatUI.DestroyOffscreenDrawable (backbuffer, backbuffer_dc);
940 backbuffer_dc = null;
943 if (invalid_region != null)
944 invalid_region.Dispose ();
945 invalid_region = null;
948 internal static void SetChildColor(Control parent) {
951 for (int i=0; i < parent.child_controls.Count; i++) {
952 child=parent.child_controls[i];
953 if (child.child_controls.Count>0) {
954 SetChildColor(child);
959 internal bool Select(Control control) {
960 IContainerControl container;
962 if (control == null) {
966 container = GetContainerControl();
967 if (container != null) {
968 container.ActiveControl = control;
970 if (control.IsHandleCreated) {
971 XplatUI.SetFocus(control.window.Handle);
976 internal void SelectChild (Control control)
978 if (control.IsHandleCreated)
979 XplatUI.SetFocus (control.window.Handle);
982 internal virtual void DoDefaultAction() {
983 // Only here to be overriden by our actual controls; this is needed by the accessibility class
986 internal static int LowOrder (int param) {
987 return ((int)(short)(param & 0xffff));
990 internal static int HighOrder (int param) {
991 return ((int)(short)(param >> 16));
994 // This method exists so controls overriding OnPaintBackground can have default background painting done
995 internal virtual void PaintControlBackground (PaintEventArgs pevent)
997 if (GetStyle(ControlStyles.SupportsTransparentBackColor) && (BackColor.A != 0xff)) {
998 if (parent != null) {
999 PaintEventArgs parent_pe;
1000 GraphicsState state;
1002 parent_pe = new PaintEventArgs(pevent.Graphics, new Rectangle(pevent.ClipRectangle.X + Left, pevent.ClipRectangle.Y + Top, pevent.ClipRectangle.Width, pevent.ClipRectangle.Height));
1004 state = parent_pe.Graphics.Save();
1005 parent_pe.Graphics.TranslateTransform(-Left, -Top);
1006 parent.OnPaintBackground(parent_pe);
1007 parent_pe.Graphics.Restore(state);
1009 state = parent_pe.Graphics.Save();
1010 parent_pe.Graphics.TranslateTransform(-Left, -Top);
1011 parent.OnPaint(parent_pe);
1012 parent_pe.Graphics.Restore(state);
1013 parent_pe.SetGraphics(null);
1017 if ((clip_region != null) && (XplatUI.UserClipWontExposeParent)) {
1018 if (parent != null) {
1019 PaintEventArgs parent_pe;
1021 GraphicsState state;
1024 hwnd = Hwnd.ObjectFromHandle(Handle);
1027 parent_pe = new PaintEventArgs(pevent.Graphics, new Rectangle(pevent.ClipRectangle.X + Left, pevent.ClipRectangle.Y + Top, pevent.ClipRectangle.Width, pevent.ClipRectangle.Height));
1029 region = new Region ();
1031 region.Union(ClientRectangle);
1033 foreach (Rectangle r in hwnd.ClipRectangles) {
1037 state = parent_pe.Graphics.Save();
1038 parent_pe.Graphics.Clip = region;
1040 parent_pe.Graphics.TranslateTransform(-Left, -Top);
1041 parent.OnPaintBackground(parent_pe);
1042 parent_pe.Graphics.Restore(state);
1044 state = parent_pe.Graphics.Save();
1045 parent_pe.Graphics.Clip = region;
1047 parent_pe.Graphics.TranslateTransform(-Left, -Top);
1048 parent.OnPaint(parent_pe);
1049 parent_pe.Graphics.Restore(state);
1050 parent_pe.SetGraphics(null);
1052 region.Intersect(clip_region);
1053 pevent.Graphics.Clip = region;
1058 if (background_image == null) {
1059 pevent.Graphics.FillRectangle(ThemeEngine.Current.ResPool.GetSolidBrush(BackColor), new Rectangle(pevent.ClipRectangle.X - 1, pevent.ClipRectangle.Y - 1, pevent.ClipRectangle.Width + 2, pevent.ClipRectangle.Height + 2));
1063 DrawBackgroundImage (pevent.Graphics);
1066 void DrawBackgroundImage (Graphics g)
1068 using (TextureBrush b = new TextureBrush (background_image, WrapMode.Tile)) {
1069 g.FillRectangle (b, ClientRectangle);
1073 internal virtual void DndEnter (DragEventArgs e)
1080 internal virtual void DndOver (DragEventArgs e)
1087 internal virtual void DndDrop (DragEventArgs e)
1091 } catch (Exception exc) {
1092 Console.Error.WriteLine ("MWF: Exception while dropping:");
1093 Console.Error.WriteLine (exc);
1097 internal virtual void DndLeave (EventArgs e)
1104 internal virtual void DndFeedback(GiveFeedbackEventArgs e)
1111 internal virtual void DndContinueDrag(QueryContinueDragEventArgs e)
1114 OnQueryContinueDrag(e);
1118 internal static MouseButtons FromParamToMouseButtons (int param) {
1119 MouseButtons buttons = MouseButtons.None;
1121 if ((param & (int) MsgButtons.MK_LBUTTON) != 0)
1122 buttons |= MouseButtons.Left;
1124 if ((param & (int) MsgButtons.MK_MBUTTON) != 0)
1125 buttons |= MouseButtons.Middle;
1127 if ((param & (int) MsgButtons.MK_RBUTTON) != 0)
1128 buttons |= MouseButtons.Right;
1134 internal void FireEnter ()
1136 OnEnter (EventArgs.Empty);
1139 internal void FireLeave ()
1141 OnLeave (EventArgs.Empty);
1144 internal void FireValidating (CancelEventArgs ce)
1149 internal void FireValidated ()
1151 OnValidated (EventArgs.Empty);
1154 internal virtual bool ProcessControlMnemonic(char charCode) {
1155 return ProcessMnemonic(charCode);
1158 private static Control FindFlatForward(Control container, Control start) {
1164 end = container.child_controls.Count;
1166 if (start != null) {
1167 index = start.tab_index;
1172 for (int i = 0, pos = -1; i < end; i++) {
1173 if (start == container.child_controls[i]) {
1178 if (found == null) {
1179 if (container.child_controls[i].tab_index > index || (pos > -1 && pos < i && container.child_controls[i].tab_index == index)) {
1180 found = container.child_controls[i];
1182 } else if (found.tab_index > container.child_controls[i].tab_index) {
1183 if (container.child_controls[i].tab_index > index) {
1184 found = container.child_controls[i];
1191 private static Control FindControlForward(Control container, Control start) {
1196 if (start == null) {
1197 return FindFlatForward(container, start);
1200 if (start.child_controls != null && start.child_controls.Count > 0 &&
1201 (start == container || !((start is IContainerControl) && start.GetStyle(ControlStyles.ContainerControl)))) {
1202 return FindControlForward(start, null);
1205 while (start != container) {
1206 found = FindFlatForward(start.parent, start);
1207 if (found != null) {
1210 start = start.parent;
1216 private static Control FindFlatBackward(Control container, Control start) {
1222 end = container.child_controls.Count;
1224 if (start != null) {
1225 index = start.tab_index;
1227 // FIXME: Possible speed-up: Keep the highest taborder index in the container
1229 for (int i = 0; i < end; i++) {
1230 if (container.child_controls[i].tab_index > index) {
1231 index = container.child_controls[i].tab_index;
1239 for (int i = end - 1; i >= 0; i--) {
1240 if (start == container.child_controls[i]) {
1245 if (found == null || found.tab_index < container.child_controls[i].tab_index) {
1246 if (container.child_controls[i].tab_index < index || (hit && container.child_controls[i].tab_index == index))
1247 found = container.child_controls[i];
1254 private static Control FindControlBackward(Control container, Control start) {
1256 Control found = null;
1258 if (start == null) {
1259 found = FindFlatBackward(container, start);
1261 else if (start != container) {
1262 if (start.parent != null) {
1263 found = FindFlatBackward(start.parent, start);
1265 if (found == null) {
1266 if (start.parent != container)
1267 return start.parent;
1273 if (found == null || start.parent == null)
1276 while (found != null && (found == container || (!((found is IContainerControl) && found.GetStyle(ControlStyles.ContainerControl))) &&
1277 found.child_controls != null && found.child_controls.Count > 0)) {
1278 // while (ctl.child_controls != null && ctl.child_controls.Count > 0 &&
1279 // (ctl == this || (!((ctl is IContainerControl) && ctl.GetStyle(ControlStyles.ContainerControl))))) {
1280 found = FindFlatBackward(found, null);
1290 if (start != null) {
1291 found = FindFlatBackward(start.parent, start);
1292 if (found == null) {
1293 if (start.parent != container) {
1294 return start.parent;
1298 if (found == null) {
1299 found = FindFlatBackward(container, start);
1302 if (container != start) {
1303 while ((found != null) && (!found.Contains(start)) && found.child_controls != null && found.child_controls.Count > 0 && !(found is IContainerControl)) {// || found.GetStyle(ControlStyles.ContainerControl))) {
1304 found = FindControlBackward(found, null);
1305 if (found != null) {
1314 internal virtual void HandleClick(int clicks, MouseEventArgs me) {
1315 if (GetStyle(ControlStyles.StandardClick)) {
1316 if ((clicks > 1) && GetStyle(ControlStyles.StandardDoubleClick)) {
1318 OnDoubleClick(EventArgs.Empty);
1320 OnClick(EventArgs.Empty);
1330 private void CheckDataBindings ()
1332 if (data_bindings == null)
1335 BindingContext binding_context = BindingContext;
1336 foreach (Binding binding in data_bindings) {
1337 binding.Check (binding_context);
1341 private void ChangeParent(Control new_parent) {
1345 Color pre_fore_color;
1346 Color pre_back_color;
1347 RightToLeft pre_rtl;
1349 // These properties are inherited from our parent
1350 // Get them pre parent-change and then send events
1351 // if they are changed after we have our new parent
1352 pre_enabled = Enabled;
1353 pre_visible = Visible;
1355 pre_fore_color = ForeColor;
1356 pre_back_color = BackColor;
1357 pre_rtl = RightToLeft;
1358 // MS doesn't seem to send a CursorChangedEvent
1360 parent = new_parent;
1362 if (IsHandleCreated)
1363 XplatUI.SetParent(Handle,
1364 (new_parent == null || !new_parent.IsHandleCreated) ? IntPtr.Zero : new_parent.Handle);
1366 OnParentChanged(EventArgs.Empty);
1368 if (pre_enabled != Enabled) {
1369 OnEnabledChanged(EventArgs.Empty);
1372 if (pre_visible != Visible) {
1373 OnVisibleChanged(EventArgs.Empty);
1376 if (pre_font != Font) {
1377 OnFontChanged(EventArgs.Empty);
1380 if (pre_fore_color != ForeColor) {
1381 OnForeColorChanged(EventArgs.Empty);
1384 if (pre_back_color != BackColor) {
1385 OnBackColorChanged(EventArgs.Empty);
1388 if (pre_rtl != RightToLeft) {
1389 // MS sneaks a OnCreateControl and OnHandleCreated in here, I guess
1390 // because when RTL changes they have to recreate the win32 control
1391 // We don't really need that (until someone runs into compatibility issues)
1392 OnRightToLeftChanged(EventArgs.Empty);
1395 if ((new_parent != null) && new_parent.Created && !Created) {
1399 if ((binding_context == null) && Created) {
1400 OnBindingContextChanged(EventArgs.Empty);
1404 private void UpdateDistances() {
1405 if ((parent != null) && (parent.layout_suspended == 0)) {
1406 dist_left = bounds.X;
1407 dist_top = bounds.Y;
1408 dist_right = parent.ClientSize.Width - bounds.X - bounds.Width;
1409 dist_bottom = parent.ClientSize.Height - bounds.Y - bounds.Height;
1412 #endregion // Private & Internal Methods
1414 #region Public Static Properties
1415 public static Color DefaultBackColor {
1417 return ThemeEngine.Current.DefaultControlBackColor;
1421 public static Font DefaultFont {
1423 return ThemeEngine.Current.DefaultFont;
1427 public static Color DefaultForeColor {
1429 return ThemeEngine.Current.DefaultControlForeColor;
1433 public static Keys ModifierKeys {
1435 return XplatUI.State.ModifierKeys;
1439 public static MouseButtons MouseButtons {
1441 return XplatUI.State.MouseButtons;
1445 public static Point MousePosition {
1447 return Cursor.Position;
1453 public static bool CheckForIllegalCrossThreadCalls
1456 return verify_thread_handle;
1460 verify_thread_handle = value;
1464 #endregion // Public Static Properties
1466 #region Public Instance Properties
1467 [EditorBrowsable(EditorBrowsableState.Advanced)]
1469 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1470 public AccessibleObject AccessibilityObject {
1472 if (accessibility_object==null) {
1473 accessibility_object=CreateAccessibilityInstance();
1475 return accessibility_object;
1479 [EditorBrowsable(EditorBrowsableState.Advanced)]
1481 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1482 public string AccessibleDefaultActionDescription {
1484 return AccessibilityObject.default_action;
1488 AccessibilityObject.default_action=value;
1493 [DefaultValue(null)]
1494 [MWFCategory("Accessibility")]
1495 public string AccessibleDescription {
1497 return AccessibilityObject.description;
1501 AccessibilityObject.description=value;
1506 [DefaultValue(null)]
1507 [MWFCategory("Accessibility")]
1508 public string AccessibleName {
1510 return AccessibilityObject.Name;
1514 AccessibilityObject.Name=value;
1518 [DefaultValue(AccessibleRole.Default)]
1519 [MWFDescription("Role of the control"), MWFCategory("Accessibility")]
1520 public AccessibleRole AccessibleRole {
1522 return AccessibilityObject.role;
1526 AccessibilityObject.role=value;
1530 [DefaultValue(false)]
1531 [MWFCategory("Behavior")]
1532 public virtual bool AllowDrop {
1538 if (allow_drop == value)
1541 if (IsHandleCreated) {
1543 XplatUI.SetAllowDrop (Handle, value);
1549 [RefreshProperties(RefreshProperties.Repaint)]
1550 [DefaultValue(AnchorStyles.Top | AnchorStyles.Left)]
1551 [MWFCategory("Layout")]
1552 public virtual AnchorStyles Anchor {
1554 return anchor_style;
1560 if (parent != null) {
1561 parent.PerformLayout(this, "Parent");
1567 // XXX: Implement me!
1570 public virtual bool AutoSize {
1572 //Console.Error.WriteLine("Unimplemented: Control::get_AutoSize()");
1576 Console.Error.WriteLine("Unimplemented: Control::set_AutoSize(bool)");
1581 public virtual Size MaximumSize {
1583 return maximum_size;
1586 maximum_size = value;
1590 public virtual Size MinimumSize {
1592 return minimum_size;
1595 minimum_size = value;
1601 [MWFCategory("Appearance")]
1602 public virtual Color BackColor {
1604 if (background_color.IsEmpty) {
1606 Color pcolor = parent.BackColor;
1607 if (pcolor.A == 0xff || GetStyle(ControlStyles.SupportsTransparentBackColor))
1610 return DefaultBackColor;
1612 return background_color;
1616 if (!value.IsEmpty && (value.A != 0xff) && !GetStyle(ControlStyles.SupportsTransparentBackColor)) {
1617 throw new ArgumentException("Transparent background colors are not supported on this control");
1620 if (background_color != value) {
1621 background_color=value;
1622 SetChildColor(this);
1623 OnBackColorChanged(EventArgs.Empty);
1630 [DefaultValue(null)]
1631 [MWFCategory("Appearance")]
1632 public virtual Image BackgroundImage {
1634 return background_image;
1638 if (background_image!=value) {
1639 background_image=value;
1640 OnBackgroundImageChanged(EventArgs.Empty);
1646 [EditorBrowsable(EditorBrowsableState.Advanced)]
1648 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1649 public virtual BindingContext BindingContext {
1651 if (binding_context != null)
1652 return binding_context;
1655 binding_context = Parent.BindingContext;
1656 return binding_context;
1659 if (binding_context != value) {
1660 binding_context = value;
1661 OnBindingContextChanged(EventArgs.Empty);
1666 [EditorBrowsable(EditorBrowsableState.Advanced)]
1668 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1671 return bounds.Y+bounds.Height;
1675 [EditorBrowsable(EditorBrowsableState.Advanced)]
1677 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1678 public Rectangle Bounds {
1684 SetBounds(value.Left, value.Top, value.Width, value.Height, BoundsSpecified.All);
1688 [EditorBrowsable(EditorBrowsableState.Advanced)]
1690 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1691 public bool CanFocus {
1693 if (IsHandleCreated && Visible && Enabled) {
1700 [EditorBrowsable(EditorBrowsableState.Advanced)]
1702 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1703 public bool CanSelect {
1707 if (!GetStyle(ControlStyles.Selectable)) {
1712 while (parent != null) {
1713 if (!parent.is_visible || !parent.is_enabled) {
1717 parent = parent.parent;
1723 internal virtual bool InternalCapture {
1733 [EditorBrowsable(EditorBrowsableState.Advanced)]
1735 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1736 public bool Capture {
1738 return this.is_captured;
1742 if (this.IsHandleCreated && value != is_captured) {
1745 XplatUI.GrabWindow(this.window.Handle, IntPtr.Zero);
1747 XplatUI.UngrabWindow(this.window.Handle);
1748 is_captured = false;
1754 [DefaultValue(true)]
1755 [MWFCategory("Focus")]
1756 public bool CausesValidation {
1758 return this.causes_validation;
1762 if (this.causes_validation != value) {
1763 causes_validation = value;
1764 OnCausesValidationChanged(EventArgs.Empty);
1769 [EditorBrowsable(EditorBrowsableState.Advanced)]
1771 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1772 public Rectangle ClientRectangle {
1774 client_rect.Width = client_size.Width;
1775 client_rect.Height = client_size.Height;
1780 [EditorBrowsable(EditorBrowsableState.Advanced)]
1782 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1783 public Size ClientSize {
1786 if ((this is Form) && (((Form)this).form_parent_window != null)) {
1787 return ((Form)this).form_parent_window.ClientSize;
1795 this.SetClientSizeCore(value.Width, value.Height);
1799 [EditorBrowsable(EditorBrowsableState.Advanced)]
1801 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1802 [DescriptionAttribute("ControlCompanyNameDescr")]
1803 public String CompanyName {
1805 return "Mono Project, Novell, Inc.";
1809 [EditorBrowsable(EditorBrowsableState.Advanced)]
1811 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1812 public bool ContainsFocus {
1814 IntPtr focused_window;
1816 focused_window = XplatUI.GetFocus();
1817 if (IsHandleCreated) {
1818 if (focused_window == Handle) {
1822 for (int i=0; i < child_controls.Count; i++) {
1823 if (child_controls[i].ContainsFocus) {
1832 [DefaultValue(null)]
1833 [MWFCategory("Behavior")]
1834 public virtual ContextMenu ContextMenu {
1836 return context_menu;
1840 if (context_menu != value) {
1841 context_menu = value;
1842 OnContextMenuChanged(EventArgs.Empty);
1848 [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
1849 public ControlCollection Controls {
1851 return this.child_controls;
1855 [EditorBrowsable(EditorBrowsableState.Advanced)]
1857 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1858 public bool Created {
1860 return (!is_disposed && is_created);
1864 [AmbientValue(null)]
1865 [MWFCategory("Appearance")]
1866 public virtual Cursor Cursor {
1868 if (cursor != null) {
1872 if (parent != null) {
1873 return parent.Cursor;
1876 return Cursors.Default;
1880 if (cursor != value) {
1885 if (IsHandleCreated) {
1886 pt = Cursor.Position;
1888 if (bounds.Contains(pt) || Capture) {
1889 if (GetChildAtPoint(pt) == null) {
1890 if (cursor != null) {
1891 XplatUI.SetCursor(window.Handle, cursor.handle);
1893 if (parent != null) {
1894 XplatUI.SetCursor(window.Handle, parent.Cursor.handle);
1896 XplatUI.SetCursor(window.Handle, Cursors.Default.handle);
1903 OnCursorChanged(EventArgs.Empty);
1909 [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
1910 [ParenthesizePropertyName(true)]
1911 [RefreshProperties(RefreshProperties.All)]
1912 [MWFCategory("Data")]
1913 public ControlBindingsCollection DataBindings {
1915 if (data_bindings == null)
1916 data_bindings = new ControlBindingsCollection (this);
1917 return data_bindings;
1921 [EditorBrowsable(EditorBrowsableState.Advanced)]
1923 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1924 public virtual Rectangle DisplayRectangle {
1926 return ClientRectangle;
1930 [EditorBrowsable(EditorBrowsableState.Advanced)]
1932 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
1933 public bool Disposing {
1940 [RefreshProperties(RefreshProperties.Repaint)]
1941 [DefaultValue(DockStyle.None)]
1942 [MWFCategory("Layout")]
1943 public virtual DockStyle Dock {
1949 if (dock_style == value) {
1953 if (!Enum.IsDefined (typeof (DockStyle), value)) {
1954 throw new InvalidEnumArgumentException ("value", (int) value,
1955 typeof (DockStyle));
1960 if (dock_style == DockStyle.None) {
1961 if (explicit_bounds == Rectangle.Empty)
1962 Bounds = new Rectangle (new Point (0, 0), DefaultSize);
1964 Bounds = explicit_bounds;
1967 if (parent != null) {
1968 parent.PerformLayout(this, "Parent");
1971 OnDockChanged(EventArgs.Empty);
1977 [MWFCategory("Behavior")]
1978 public bool Enabled {
1984 if (parent != null) {
1985 return parent.Enabled;
1993 bool old_value = is_enabled;
1996 if (old_value != value && !value && this.has_focus)
1997 SelectNextControl(this, true, true, true, true);
1999 OnEnabledChanged (EventArgs.Empty);
2003 [EditorBrowsable(EditorBrowsableState.Advanced)]
2005 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2006 public virtual bool Focused {
2008 return this.has_focus;
2013 [AmbientValue(null)]
2015 [MWFCategory("Appearance")]
2016 public virtual Font Font {
2022 if (Parent != null && Parent.Font != null) {
2029 [param:MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef=typeof(Font))]
2031 if (font != null && font.Equals (value)) {
2037 OnFontChanged (EventArgs.Empty);
2042 [MWFCategory("Appearance")]
2043 public virtual Color ForeColor {
2045 if (foreground_color.IsEmpty) {
2047 return parent.ForeColor;
2049 return DefaultForeColor;
2051 return foreground_color;
2055 if (foreground_color != value) {
2056 foreground_color=value;
2058 OnForeColorChanged(EventArgs.Empty);
2065 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2066 public IntPtr Handle { // IWin32Window
2069 if (verify_thread_handle) {
2070 if (this.InvokeRequired) {
2071 throw new InvalidOperationException("Cross-thread access of handle detected. Handle access only valid on thread that created the control");
2075 if (!IsHandleCreated) {
2078 return window.Handle;
2082 [EditorBrowsable(EditorBrowsableState.Advanced)]
2084 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2085 public bool HasChildren {
2087 if (this.child_controls.Count>0) {
2094 [EditorBrowsable(EditorBrowsableState.Always)]
2096 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2099 return this.bounds.Height;
2103 SetBounds(bounds.X, bounds.Y, bounds.Width, value, BoundsSpecified.Height);
2107 [AmbientValue(ImeMode.Inherit)]
2109 [MWFCategory("Behavior")]
2110 public ImeMode ImeMode {
2112 if (ime_mode == ImeMode.Inherit) {
2114 return parent.ImeMode;
2116 return ImeMode.NoControl; // default value
2122 if (ime_mode != value) {
2125 OnImeModeChanged(EventArgs.Empty);
2130 [EditorBrowsable(EditorBrowsableState.Advanced)]
2132 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2133 public bool InvokeRequired { // ISynchronizeInvoke
2135 if (creator_thread != null && creator_thread!=Thread.CurrentThread) {
2142 [EditorBrowsable(EditorBrowsableState.Advanced)]
2144 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2145 public bool IsAccessible {
2147 return is_accessible;
2151 is_accessible = value;
2155 [EditorBrowsable(EditorBrowsableState.Advanced)]
2157 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2158 public bool IsDisposed {
2160 return this.is_disposed;
2164 [EditorBrowsable(EditorBrowsableState.Advanced)]
2166 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2167 public bool IsHandleCreated {
2169 if ((window != null) && (window.Handle != IntPtr.Zero)) {
2170 Hwnd hwnd = Hwnd.ObjectFromHandle (window.Handle);
2171 if (hwnd != null && !hwnd.zombie)
2180 public virtual Layout.LayoutEngine LayoutEngine {
2181 get { return new Layout.DefaultLayout (); }
2185 [EditorBrowsable(EditorBrowsableState.Always)]
2187 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2190 return this.bounds.X;
2194 SetBounds(value, bounds.Y, bounds.Width, bounds.Height, BoundsSpecified.X);
2199 [MWFCategory("Layout")]
2200 public Point Location {
2202 return new Point(bounds.X, bounds.Y);
2206 SetBounds(value.X, value.Y, bounds.Width, bounds.Height, BoundsSpecified.Location);
2211 [Localizable (true)]
2212 public Padding Margin {
2213 get { return this.margin; }
2214 set { this.margin = value; }
2219 public string Name {
2231 public Padding Padding {
2243 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2244 public Control Parent {
2250 if (value == this) {
2251 throw new ArgumentException("A circular control reference has been made. A control cannot be owned or parented to itself.");
2254 if (parent!=value) {
2256 parent.Controls.Remove(this);
2261 value.Controls.Add(this);
2266 [EditorBrowsable(EditorBrowsableState.Advanced)]
2268 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2269 public string ProductName {
2271 Type t = typeof (AssemblyProductAttribute);
2272 Assembly assembly = GetType().Module.Assembly;
2273 object [] attrs = assembly.GetCustomAttributes (t, false);
2274 AssemblyProductAttribute a = null;
2275 // On MS we get a NullRefException if product attribute is not
2277 if (attrs != null && attrs.Length > 0)
2278 a = (AssemblyProductAttribute) attrs [0];
2283 [EditorBrowsable(EditorBrowsableState.Advanced)]
2285 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2286 public string ProductVersion {
2288 Type t = typeof (AssemblyVersionAttribute);
2289 Assembly assembly = GetType().Module.Assembly;
2290 object [] attrs = assembly.GetCustomAttributes (t, false);
2291 if (attrs == null || attrs.Length < 1)
2293 return ((AssemblyVersionAttribute)attrs [0]).Version;
2297 [EditorBrowsable(EditorBrowsableState.Advanced)]
2299 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2300 public bool RecreatingHandle {
2302 return is_recreating;
2306 [EditorBrowsable(EditorBrowsableState.Advanced)]
2308 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2309 public Region Region {
2315 if (IsHandleCreated) {
2316 XplatUI.SetClipRegion(Handle, value);
2318 clip_region = value;
2322 [EditorBrowsable(EditorBrowsableState.Advanced)]
2324 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2327 return this.bounds.X+this.bounds.Width;
2331 [AmbientValue(RightToLeft.Inherit)]
2333 [MWFCategory("Appearance")]
2334 public virtual RightToLeft RightToLeft {
2336 if (right_to_left == RightToLeft.Inherit) {
2338 return parent.RightToLeft;
2340 return RightToLeft.No; // default value
2342 return right_to_left;
2346 if (value != right_to_left) {
2347 right_to_left = value;
2348 OnRightToLeftChanged(EventArgs.Empty);
2353 [EditorBrowsable(EditorBrowsableState.Advanced)]
2354 public override ISite Site {
2362 if (value != null) {
2363 AmbientProperties ap = (AmbientProperties) value.GetService (typeof (AmbientProperties));
2365 BackColor = ap.BackColor;
2366 ForeColor = ap.ForeColor;
2375 [MWFCategory("Layout")]
2378 return new Size(Width, Height);
2382 SetBounds(bounds.X, bounds.Y, value.Width, value.Height, BoundsSpecified.Size);
2387 [MergableProperty(false)]
2388 [MWFCategory("Behavior")]
2389 public int TabIndex {
2391 if (tab_index != -1) {
2398 if (tab_index != value) {
2400 OnTabIndexChanged(EventArgs.Empty);
2406 [DefaultValue(true)]
2407 [MWFCategory("Behavior")]
2408 public bool TabStop {
2414 if (tab_stop != value) {
2416 OnTabStopChanged(EventArgs.Empty);
2421 [Localizable(false)]
2423 [TypeConverter(typeof(StringConverter))]
2424 [DefaultValue(null)]
2425 [MWFCategory("Data")]
2432 control_tag = value;
2438 [BindableAttribute(true)]
2439 [MWFCategory("Appearance")]
2440 public virtual string Text {
2442 // Our implementation ignores ControlStyles.CacheText - we always cache
2447 if (value == null) {
2448 value = String.Empty;
2453 if (IsHandleCreated) {
2454 /* we need to call .SetWindowStyle here instead of just .Text
2455 because the presence/absence of Text (== "" or not) can cause
2456 other window style things to appear/disappear */
2457 XplatUI.SetWindowStyle(window.Handle, CreateParams);
2458 XplatUI.Text(Handle, text);
2460 OnTextChanged (EventArgs.Empty);
2465 [EditorBrowsable(EditorBrowsableState.Always)]
2467 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2470 return this.bounds.Y;
2474 SetBounds(bounds.X, value, bounds.Width, bounds.Height, BoundsSpecified.Y);
2478 [EditorBrowsable(EditorBrowsableState.Advanced)]
2480 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2481 public Control TopLevelControl {
2485 while (p.parent != null) {
2489 return p is Form ? p : null;
2494 [MWFCategory("Behavior")]
2495 public bool Visible {
2499 } else if (parent != null) {
2500 return parent.Visible;
2507 SetVisibleCore(value);
2511 [EditorBrowsable(EditorBrowsableState.Always)]
2513 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2516 return this.bounds.Width;
2520 SetBounds(bounds.X, bounds.Y, value, bounds.Height, BoundsSpecified.Width);
2524 [EditorBrowsable(EditorBrowsableState.Never)]
2526 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2527 public IWindowTarget WindowTarget {
2536 #endregion // Public Instance Properties
2538 #region Protected Instance Properties
2539 protected virtual CreateParams CreateParams {
2541 CreateParams create_params = new CreateParams();
2544 create_params.Caption = Text;
2547 create_params.Caption = text;
2551 create_params.X = Left;
2554 create_params.X = this.bounds.X;
2558 create_params.Y = Top;
2561 create_params.Y = this.bounds.Y;
2565 create_params.Width = Width;
2568 create_params.Width = this.bounds.Width;
2572 create_params.Height = Height;
2575 create_params.Height = this.bounds.Height;
2579 create_params.ClassName = XplatUI.DefaultClassName;
2580 create_params.ClassStyle = 0;
2581 create_params.ExStyle = 0;
2582 create_params.Param = 0;
2585 create_params.ExStyle |= (int)WindowExStyles.WS_EX_ACCEPTFILES;
2588 if ((parent!=null) && (parent.IsHandleCreated)) {
2589 create_params.Parent = parent.Handle;
2592 create_params.Style = (int)WindowStyles.WS_CHILD | (int)WindowStyles.WS_CLIPCHILDREN | (int)WindowStyles.WS_CLIPSIBLINGS;
2595 create_params.Style |= (int)WindowStyles.WS_VISIBLE;
2599 create_params.Style |= (int)WindowStyles.WS_DISABLED;
2602 switch (border_style) {
2603 case BorderStyle.FixedSingle:
2604 create_params.Style |= (int) WindowStyles.WS_BORDER;
2606 case BorderStyle.Fixed3D:
2607 create_params.ExStyle |= (int) WindowExStyles.WS_EX_CLIENTEDGE;
2611 return create_params;
2615 protected virtual ImeMode DefaultImeMode {
2617 return ImeMode.Inherit;
2622 protected virtual Padding DefaultMargin {
2623 get { return new Padding (3); }
2627 protected virtual Size DefaultSize {
2629 return new Size(0, 0);
2633 protected int FontHeight {
2643 protected bool RenderRightToLeft {
2645 return (this.right_to_left == RightToLeft.Yes);
2649 protected bool ResizeRedraw {
2651 return GetStyle(ControlStyles.ResizeRedraw);
2655 SetStyle(ControlStyles.ResizeRedraw, value);
2659 [EditorBrowsable(EditorBrowsableState.Advanced)]
2661 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2662 protected virtual bool ShowFocusCues {
2668 [EditorBrowsable(EditorBrowsableState.Advanced)]
2670 [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
2671 protected bool ShowKeyboardCues {
2676 #endregion // Protected Instance Properties
2678 #region Public Static Methods
2679 [EditorBrowsable(EditorBrowsableState.Advanced)]
2680 public static Control FromChildHandle(IntPtr handle) {
2681 return Control.ControlNativeWindow.ControlFromChildHandle (handle);
2684 [EditorBrowsable(EditorBrowsableState.Advanced)]
2685 public static Control FromHandle(IntPtr handle) {
2686 return Control.ControlNativeWindow.ControlFromHandle(handle);
2689 public static bool IsMnemonic(char charCode, string text) {
2692 amp = text.IndexOf('&');
2695 if (amp + 1 < text.Length) {
2696 if (text[amp + 1] != '&') {
2697 if (Char.ToUpper(charCode) == Char.ToUpper(text.ToCharArray(amp + 1, 1)[0])) {
2707 #region Protected Static Methods
2708 [EditorBrowsable(EditorBrowsableState.Advanced)]
2709 protected static bool ReflectMessage(IntPtr hWnd, ref Message m) {
2712 c = Control.FromHandle(hWnd);
2722 #region Public Instance Methods
2723 [EditorBrowsable(EditorBrowsableState.Advanced)]
2724 public IAsyncResult BeginInvoke(Delegate method) {
2725 object [] prms = null;
2726 if (method is EventHandler)
2727 prms = new object [] { this, EventArgs.Empty };
2728 return BeginInvokeInternal(method, prms, false);
2731 [EditorBrowsable(EditorBrowsableState.Advanced)]
2732 public IAsyncResult BeginInvoke (Delegate method, object[] args) {
2733 return BeginInvokeInternal (method, args, false);
2736 public void BringToFront() {
2737 if (parent != null) {
2738 parent.child_controls.SetChildIndex(this, 0);
2741 XplatUI.SetZOrder(Handle, IntPtr.Zero, false, false);
2745 public bool Contains(Control ctl) {
2746 while (ctl != null) {
2755 public void CreateControl() {
2757 throw new ObjectDisposedException(GetType().FullName.ToString());
2763 if (!IsHandleCreated) {
2771 Control [] controls = child_controls.GetAllControls ();
2772 for (int i=0; i<controls.Length; i++) {
2773 controls [i].CreateControl ();
2776 UpdateChildrenZOrder();
2778 if (binding_context == null) { // seem to be sent whenever it's null?
2779 OnBindingContextChanged(EventArgs.Empty);
2785 public Graphics CreateGraphics() {
2786 if (!IsHandleCreated) {
2787 this.CreateHandle();
2789 return Graphics.FromHwnd(this.window.Handle);
2792 public DragDropEffects DoDragDrop(object data, DragDropEffects allowedEffects) {
2793 return XplatUI.StartDrag(this.window.Handle, data, allowedEffects);
2796 [EditorBrowsable(EditorBrowsableState.Advanced)]
2797 public object EndInvoke (IAsyncResult async_result) {
2798 AsyncMethodResult result = (AsyncMethodResult) async_result;
2799 return result.EndInvoke ();
2802 public Form FindForm() {
2815 public bool Focus() {
2816 if (CanFocus && IsHandleCreated && !has_focus && !is_focusing) {
2819 is_focusing = false;
2824 public Control GetChildAtPoint(Point pt) {
2825 // Microsoft's version of this function doesn't seem to work, so I can't check
2826 // if we only consider children or also grandchildren, etc.
2827 // I'm gonna say 'children only'
2828 for (int i=0; i<child_controls.Count; i++) {
2829 if (child_controls[i].Bounds.Contains(pt)) {
2830 return child_controls[i];
2836 public IContainerControl GetContainerControl() {
2837 Control current = this;
2839 while (current!=null) {
2840 if ((current is IContainerControl) && ((current.control_style & ControlStyles.ContainerControl)!=0)) {
2841 return (IContainerControl)current;
2843 current = current.parent;
2848 public Control GetNextControl(Control ctl, bool forward) {
2850 if (!this.Contains(ctl)) {
2855 ctl = FindControlForward(this, ctl);
2858 ctl = FindControlBackward(this, ctl);
2868 public virtual Size GetPreferredSize (Size proposedSize) {
2869 return preferred_size;
2873 public void Hide() {
2874 this.Visible = false;
2877 public void Invalidate() {
2878 Invalidate(ClientRectangle, false);
2881 public void Invalidate(bool invalidateChildren) {
2882 Invalidate(ClientRectangle, invalidateChildren);
2885 public void Invalidate(System.Drawing.Rectangle rc) {
2886 Invalidate(rc, false);
2889 public void Invalidate(System.Drawing.Rectangle rc, bool invalidateChildren) {
2890 if (!IsHandleCreated || !Visible || rc.Width == 0 || rc.Height == 0) {
2894 NotifyInvalidate(rc);
2896 XplatUI.Invalidate(Handle, rc, false);
2898 if (invalidateChildren) {
2899 Control [] controls = child_controls.GetAllControls ();
2900 for (int i=0; i<controls.Length; i++)
2901 controls [i].Invalidate ();
2903 OnInvalidated(new InvalidateEventArgs(rc));
2906 public void Invalidate(System.Drawing.Region region) {
2907 Invalidate(region, false);
2910 public void Invalidate(System.Drawing.Region region, bool invalidateChildren) {
2911 RectangleF bounds = region.GetBounds (CreateGraphics ());
2912 Invalidate (new Rectangle ((int) bounds.X, (int) bounds.Y, (int) bounds.Width, (int) bounds.Height),
2913 invalidateChildren);
2916 public object Invoke (Delegate method) {
2917 object [] prms = null;
2918 if (method is EventHandler)
2919 prms = new object [] { this, EventArgs.Empty };
2921 return Invoke(method, prms);
2924 public object Invoke (Delegate method, object[] args) {
2925 if (!this.InvokeRequired) {
2926 return method.DynamicInvoke(args);
2929 IAsyncResult result = BeginInvoke (method, args);
2930 return EndInvoke(result);
2933 internal object InvokeInternal (Delegate method, bool disposing) {
2934 return InvokeInternal(method, null, disposing);
2937 internal object InvokeInternal (Delegate method, object[] args, bool disposing) {
2938 if (!this.InvokeRequired) {
2939 return method.DynamicInvoke(args);
2942 IAsyncResult result = BeginInvokeInternal (method, args, disposing);
2943 return EndInvoke(result);
2946 [EditorBrowsable(EditorBrowsableState.Advanced)]
2947 public void PerformLayout() {
2948 PerformLayout(null, null);
2952 private void SetImplicitBounds (int x, int y, int width, int height)
2954 Rectangle saved_bounds = explicit_bounds;
2955 SetBounds (x, y, width, height);
2956 explicit_bounds = saved_bounds;
2960 [EditorBrowsable(EditorBrowsableState.Advanced)]
2961 public void PerformLayout(Control affectedControl, string affectedProperty) {
2962 LayoutEventArgs levent = new LayoutEventArgs(affectedControl, affectedProperty);
2964 if (layout_suspended > 0) {
2965 layout_pending = true;
2969 layout_pending = false;
2971 // Prevent us from getting messed up
2974 // Perform all Dock and Anchor calculations
2978 this.layout_engine.Layout(this, levent);
2980 // This has been moved to Layout/DefaultLayout.cs for 2.0, please duplicate any changes/fixes there.
2982 AnchorStyles anchor;
2985 space = DisplayRectangle;
2987 // Deal with docking; go through in reverse, MS docs say that lowest Z-order is closest to edge
2988 Control [] controls = child_controls.GetAllControls ();
2989 for (int i = controls.Length - 1; i >= 0; i--) {
2990 child = controls [i];
2992 if (!child.Visible) {
2996 switch (child.Dock) {
2997 case DockStyle.None: {
3002 case DockStyle.Left: {
3003 child.SetImplicitBounds(space.Left, space.Y, child.Width, space.Height);
3004 space.X+=child.Width;
3005 space.Width-=child.Width;
3009 case DockStyle.Top: {
3010 child.SetImplicitBounds(space.Left, space.Y, space.Width, child.Height);
3011 space.Y+=child.Height;
3012 space.Height-=child.Height;
3016 case DockStyle.Right: {
3017 child.SetImplicitBounds(space.Right-child.Width, space.Y, child.Width, space.Height);
3018 space.Width-=child.Width;
3022 case DockStyle.Bottom: {
3023 child.SetImplicitBounds(space.Left, space.Bottom-child.Height, space.Width, child.Height);
3024 space.Height-=child.Height;
3030 for (int i = controls.Length - 1; i >= 0; i--) {
3033 //if (child.Visible && (child.Dock == DockStyle.Fill)) {
3034 if (child.Dock == DockStyle.Fill) {
3035 child.SetImplicitBounds(space.Left, space.Top, space.Width, space.Height);
3039 space = DisplayRectangle;
3041 for (int i=0; i < controls.Length; i++) {
3047 child = controls[i];
3049 // If the control is docked we don't need to do anything
3050 if (child.Dock != DockStyle.None) {
3054 anchor = child.Anchor;
3058 width = child.Width;
3059 height = child.Height;
3061 if ((anchor & AnchorStyles.Left) !=0 ) {
3062 if ((anchor & AnchorStyles.Right) != 0) {
3063 width = space.Width - child.dist_right - left;
3065 ; // Left anchored only, nothing to be done
3067 } else if ((anchor & AnchorStyles.Right) != 0) {
3068 left = space.Width - child.dist_right - width;
3070 // left+=diff_width/2 will introduce rounding errors (diff_width removed from svn after r51780)
3071 // This calculates from scratch every time:
3072 left = child.dist_left + (space.Width - (child.dist_left + width + child.dist_right)) / 2;
3075 if ((anchor & AnchorStyles.Top) !=0 ) {
3076 if ((anchor & AnchorStyles.Bottom) != 0) {
3077 height = space.Height - child.dist_bottom - top;
3079 ; // Top anchored only, nothing to be done
3081 } else if ((anchor & AnchorStyles.Bottom) != 0) {
3082 top = space.Height - child.dist_bottom - height;
3084 // top += diff_height/2 will introduce rounding errors (diff_height removed from after r51780)
3085 // This calculates from scratch every time:
3086 top = child.dist_top + (space.Height - (child.dist_top + height + child.dist_bottom)) / 2;
3098 child.SetImplicitBounds(left, top, width, height);
3102 // Let everyone know
3106 // Need to make sure we decremend layout_suspended
3112 public Point PointToClient (Point p) {
3116 XplatUI.ScreenToClient (Handle, ref x, ref y);
3118 return new Point (x, y);
3121 public Point PointToScreen(Point p) {
3125 XplatUI.ClientToScreen(Handle, ref x, ref y);
3127 return new Point(x, y);
3130 public virtual bool PreProcessMessage(ref Message msg) {
3131 return InternalPreProcessMessage (ref msg);
3134 internal virtual bool InternalPreProcessMessage (ref Message msg) {
3137 if ((msg.Msg == (int)Msg.WM_KEYDOWN) || (msg.Msg == (int)Msg.WM_SYSKEYDOWN)) {
3138 key_data = (Keys)msg.WParam.ToInt32() | XplatUI.State.ModifierKeys;
3140 if (!ProcessCmdKey(ref msg, key_data)) {
3141 if (IsInputKey(key_data)) {
3145 return ProcessDialogKey(key_data);
3149 } else if (msg.Msg == (int)Msg.WM_CHAR) {
3150 if (IsInputChar((char)msg.WParam)) {
3153 return ProcessDialogChar((char)msg.WParam);
3154 } else if (msg.Msg == (int)Msg.WM_SYSCHAR) {
3155 return ProcessDialogChar((char)msg.WParam);
3160 public Rectangle RectangleToClient(Rectangle r) {
3161 return new Rectangle(PointToClient(r.Location), r.Size);
3164 public Rectangle RectangleToScreen(Rectangle r) {
3165 return new Rectangle(PointToScreen(r.Location), r.Size);
3168 public virtual void Refresh() {
3169 if (IsHandleCreated == true) {
3171 XplatUI.UpdateWindow(window.Handle);
3173 Control [] controls = child_controls.GetAllControls ();
3174 for (int i=0; i < controls.Length; i++) {
3175 controls[i].Refresh();
3181 [EditorBrowsable(EditorBrowsableState.Never)]
3182 public virtual void ResetBackColor() {
3183 BackColor = Color.Empty;
3186 [EditorBrowsable(EditorBrowsableState.Never)]
3187 public void ResetBindings() {
3188 data_bindings.Clear();
3191 [EditorBrowsable(EditorBrowsableState.Never)]
3192 public virtual void ResetCursor() {
3196 [EditorBrowsable(EditorBrowsableState.Never)]
3197 public virtual void ResetFont() {
3201 [EditorBrowsable(EditorBrowsableState.Never)]
3202 public virtual void ResetForeColor() {
3203 foreground_color = Color.Empty;
3206 [EditorBrowsable(EditorBrowsableState.Never)]
3207 public void ResetImeMode() {
3208 ime_mode = DefaultImeMode;
3211 [EditorBrowsable(EditorBrowsableState.Never)]
3212 public virtual void ResetRightToLeft() {
3213 right_to_left = RightToLeft.Inherit;
3216 public virtual void ResetText() {
3217 text = String.Empty;
3220 public void ResumeLayout() {
3221 ResumeLayout (true);
3224 public void ResumeLayout(bool performLayout) {
3225 if (layout_suspended > 0) {
3229 if (layout_suspended == 0) {
3230 Control [] controls = child_controls.GetAllControls ();
3231 for (int i=0; i<controls.Length; i++) {
3232 controls [i].UpdateDistances ();
3235 if (performLayout && layout_pending) {
3241 public void Scale(float ratio) {
3242 ScaleCore(ratio, ratio);
3245 public void Scale(float dx, float dy) {
3250 public void Scale(SizeF factor) {
3251 ScaleCore(factor.Width, factor.Height);
3255 public void Select() {
3256 Select(false, false);
3260 private void printTree(Control c, string t) {
3261 foreach(Control i in c.child_controls) {
3262 Console.WriteLine("{2}{0}.TabIndex={1}", i, i.tab_index, t);
3263 printTree(i, t+"\t");
3267 public bool SelectNextControl(Control ctl, bool forward, bool tabStopOnly, bool nested, bool wrap) {
3271 Console.WriteLine("{0}", this.FindForm());
3272 printTree(this, "\t");
3275 if (!this.Contains(ctl) || (!nested && (ctl.parent != this))) {
3280 c = GetNextControl(c, forward);
3289 if (c.CanSelect && ((c.parent == this) || nested) && (c.tab_stop || !tabStopOnly)) {
3290 c.Select (true, true);
3293 } while (c != ctl); // If we wrap back to ourselves we stop
3298 public void SendToBack() {
3299 if (parent != null) {
3300 parent.child_controls.SetChildIndex(this, parent.child_controls.Count);
3304 public void SetBounds(int x, int y, int width, int height) {
3305 SetBounds(x, y, width, height, BoundsSpecified.All);
3308 public void SetBounds(int x, int y, int width, int height, BoundsSpecified specified) {
3309 if ((specified & BoundsSpecified.X) != BoundsSpecified.X) {
3313 if ((specified & BoundsSpecified.Y) != BoundsSpecified.Y) {
3317 if ((specified & BoundsSpecified.Width) != BoundsSpecified.Width) {
3321 if ((specified & BoundsSpecified.Height) != BoundsSpecified.Height) {
3325 SetBoundsCore(x, y, width, height, specified);
3326 if (parent != null) {
3327 parent.PerformLayout(this, "Bounds");
3331 public void Show() {
3333 this.CreateControl();
3339 public void SuspendLayout() {
3343 public void Update() {
3344 if (IsHandleCreated) {
3345 XplatUI.UpdateWindow(window.Handle);
3348 #endregion // Public Instance Methods
3350 #region Protected Instance Methods
3351 [EditorBrowsable(EditorBrowsableState.Advanced)]
3352 [MonoTODO("Implement this and tie it into Control.ControlAccessibleObject.NotifyClients")]
3353 protected void AccessibilityNotifyClients(AccessibleEvents accEvent, int childID) {
3354 throw new NotImplementedException();
3357 [EditorBrowsable(EditorBrowsableState.Advanced)]
3358 protected virtual AccessibleObject CreateAccessibilityInstance() {
3359 return new Control.ControlAccessibleObject(this);
3362 [EditorBrowsable(EditorBrowsableState.Advanced)]
3363 protected virtual ControlCollection CreateControlsInstance() {
3364 return new ControlCollection(this);
3367 [EditorBrowsable(EditorBrowsableState.Advanced)]
3368 protected virtual void CreateHandle() {
3370 throw new ObjectDisposedException(GetType().FullName.ToString());
3373 if (IsHandleCreated && !is_recreating) {
3377 window.CreateHandle(CreateParams);
3379 if (window.Handle != IntPtr.Zero) {
3380 creator_thread = Thread.CurrentThread;
3382 XplatUI.EnableWindow(window.Handle, is_enabled);
3383 XplatUI.SetVisible(window.Handle, is_visible, true);
3385 if (clip_region != null) {
3386 XplatUI.SetClipRegion(Handle, clip_region);
3389 // Set our handle with our parent
3390 if ((parent != null) && (parent.IsHandleCreated)) {
3391 XplatUI.SetParent(window.Handle, parent.Handle);
3394 // Set our handle as parent for our children
3395 Control [] children;
3397 children = child_controls.GetAllControls ();
3398 for (int i = 0; i < children.Length; i++ ) {
3399 if (!children[i].RecreatingHandle)
3400 XplatUI.SetParent(children[i].Handle, window.Handle);
3404 XplatUI.SetAllowDrop (Handle, allow_drop);
3406 // Find out where the window manager placed us
3407 if ((CreateParams.Style & (int)WindowStyles.WS_CHILD) != 0) {
3408 XplatUI.SetBorderStyle(window.Handle, (FormBorderStyle)border_style);
3412 OnHandleCreated(EventArgs.Empty);
3416 [EditorBrowsable(EditorBrowsableState.Advanced)]
3417 protected virtual void DefWndProc(ref Message m) {
3418 window.DefWndProc(ref m);
3421 [EditorBrowsable(EditorBrowsableState.Advanced)]
3422 protected virtual void DestroyHandle() {
3423 if (IsHandleCreated) {
3424 if (window != null) {
3425 window.DestroyHandle();
3430 protected internal bool GetStyle(ControlStyles flag) {
3431 return (control_style & flag) != 0;
3434 protected bool GetTopLevel() {
3438 [EditorBrowsable(EditorBrowsableState.Advanced)]
3439 protected virtual void InitLayout() {
3443 [EditorBrowsable(EditorBrowsableState.Advanced)]
3444 protected void InvokeGotFocus(Control toInvoke, EventArgs e) {
3445 toInvoke.OnGotFocus(e);
3448 [EditorBrowsable(EditorBrowsableState.Advanced)]
3449 protected void InvokeLostFocus(Control toInvoke, EventArgs e) {
3450 toInvoke.OnLostFocus(e);
3453 [EditorBrowsable(EditorBrowsableState.Advanced)]
3454 protected void InvokeOnClick(Control toInvoke, EventArgs e) {
3455 toInvoke.OnClick(e);
3458 protected void InvokePaint(Control toInvoke, PaintEventArgs e) {
3459 toInvoke.OnPaint(e);
3462 protected void InvokePaintBackground(Control toInvoke, PaintEventArgs e) {
3463 toInvoke.OnPaintBackground(e);
3466 protected virtual bool IsInputChar (char charCode) {
3470 protected virtual bool IsInputKey (Keys keyData) {
3471 // Doc says this one calls IsInputChar; not sure what to do with that
3475 [EditorBrowsable(EditorBrowsableState.Advanced)]
3476 protected virtual void NotifyInvalidate(Rectangle invalidatedArea) {
3480 protected virtual bool ProcessCmdKey(ref Message msg, Keys keyData) {
3481 if ((context_menu != null) && context_menu.ProcessCmdKey(ref msg, keyData)) {
3485 if (parent != null) {
3486 return parent.ProcessCmdKey(ref msg, keyData);
3492 protected virtual bool ProcessDialogChar(char charCode) {
3493 if (parent != null) {
3494 return parent.ProcessDialogChar (charCode);
3500 protected virtual bool ProcessDialogKey (Keys keyData) {
3501 if (parent != null) {
3502 return parent.ProcessDialogKey (keyData);
3508 protected virtual bool ProcessKeyEventArgs (ref Message msg)
3510 KeyEventArgs key_event;
3513 case (int)Msg.WM_SYSKEYDOWN:
3514 case (int)Msg.WM_KEYDOWN: {
3515 key_event = new KeyEventArgs ((Keys)msg.WParam.ToInt32 ());
3516 OnKeyDown (key_event);
3517 return key_event.Handled;
3520 case (int)Msg.WM_SYSKEYUP:
3521 case (int)Msg.WM_KEYUP: {
3522 key_event = new KeyEventArgs ((Keys)msg.WParam.ToInt32 ());
3523 OnKeyUp (key_event);
3524 return key_event.Handled;
3527 case (int)Msg.WM_SYSCHAR:
3528 case (int)Msg.WM_CHAR: {
3529 KeyPressEventArgs key_press_event;
3531 key_press_event = new KeyPressEventArgs((char)msg.WParam);
3532 OnKeyPress(key_press_event);
3534 msg.WParam = (IntPtr)key_press_event.KeyChar;
3536 return key_press_event.Handled;
3547 protected internal virtual bool ProcessKeyMessage(ref Message msg) {
3548 if (parent != null) {
3549 if (parent.ProcessKeyPreview(ref msg)) {
3554 return ProcessKeyEventArgs(ref msg);
3557 protected virtual bool ProcessKeyPreview(ref Message msg) {
3558 if (parent != null) {
3559 return parent.ProcessKeyPreview(ref msg);
3565 protected virtual bool ProcessMnemonic(char charCode) {
3570 [EditorBrowsable(EditorBrowsableState.Advanced)]
3571 protected void RaiseDragEvent(object key, DragEventArgs e) {
3575 [EditorBrowsable(EditorBrowsableState.Advanced)]
3576 protected void RaiseKeyEvent(object key, KeyEventArgs e) {
3580 [EditorBrowsable(EditorBrowsableState.Advanced)]
3581 protected void RaiseMouseEvent(object key, MouseEventArgs e) {
3585 [EditorBrowsable(EditorBrowsableState.Advanced)]
3586 protected void RaisePaintEvent(object key, PaintEventArgs e) {
3590 private void SetIsRecreating ()
3594 foreach (Control c in Controls.GetAllControls()) {
3595 c.SetIsRecreating ();
3599 [EditorBrowsable(EditorBrowsableState.Advanced)]
3600 protected void RecreateHandle() {
3602 Console.WriteLine("Recreating control {0}", XplatUI.Window(window.Handle));
3607 if (IsHandleCreated) {
3609 Console.WriteLine(" + handle is created, destroying it.");
3612 // WM_DESTROY will CreateHandle for us
3615 Console.WriteLine(" + handle is not created, creating it.");
3623 is_recreating = false;
3625 Console.WriteLine (" + new handle = {0:X}", Handle.ToInt32());
3631 [EditorBrowsable(EditorBrowsableState.Advanced)]
3632 protected void ResetMouseEventArgs() {
3636 [EditorBrowsable(EditorBrowsableState.Advanced)]
3637 protected ContentAlignment RtlTranslateAlignment(ContentAlignment align) {
3638 if (right_to_left == RightToLeft.No) {
3643 case ContentAlignment.TopLeft: {
3644 return ContentAlignment.TopRight;
3647 case ContentAlignment.TopRight: {
3648 return ContentAlignment.TopLeft;
3651 case ContentAlignment.MiddleLeft: {
3652 return ContentAlignment.MiddleRight;
3655 case ContentAlignment.MiddleRight: {
3656 return ContentAlignment.MiddleLeft;
3659 case ContentAlignment.BottomLeft: {
3660 return ContentAlignment.BottomRight;
3663 case ContentAlignment.BottomRight: {
3664 return ContentAlignment.BottomLeft;
3668 // if it's center it doesn't change
3674 [EditorBrowsable(EditorBrowsableState.Advanced)]
3675 protected HorizontalAlignment RtlTranslateAlignment(HorizontalAlignment align) {
3676 if ((right_to_left == RightToLeft.No) || (align == HorizontalAlignment.Center)) {
3680 if (align == HorizontalAlignment.Left) {
3681 return HorizontalAlignment.Right;
3684 // align must be HorizontalAlignment.Right
3685 return HorizontalAlignment.Left;
3688 [EditorBrowsable(EditorBrowsableState.Advanced)]
3689 protected LeftRightAlignment RtlTranslateAlignment(LeftRightAlignment align) {
3690 if (right_to_left == RightToLeft.No) {
3694 if (align == LeftRightAlignment.Left) {
3695 return LeftRightAlignment.Right;
3698 // align must be LeftRightAlignment.Right;
3699 return LeftRightAlignment.Left;
3702 [EditorBrowsable(EditorBrowsableState.Advanced)]
3703 protected ContentAlignment RtlTranslateContent(ContentAlignment align) {
3704 return RtlTranslateAlignment(align);
3707 [EditorBrowsable(EditorBrowsableState.Advanced)]
3708 protected HorizontalAlignment RtlTranslateHorizontal(HorizontalAlignment align) {
3709 return RtlTranslateAlignment(align);
3712 [EditorBrowsable(EditorBrowsableState.Advanced)]
3713 protected LeftRightAlignment RtlTranslateLeftRight(LeftRightAlignment align) {
3714 return RtlTranslateAlignment(align);
3717 [EditorBrowsable(EditorBrowsableState.Advanced)]
3718 protected virtual void ScaleCore(float dx, float dy) {
3724 location = new Point((int)(Left * dx), (int)(Top * dy));
3725 size = this.ClientSize;
3727 if (!GetStyle(ControlStyles.FixedWidth)) {
3728 size.Width = (int)(size.Width * dx);
3731 if (!GetStyle(ControlStyles.FixedHeight)) {
3732 size.Height = (int)(size.Height * dy);
3735 SetBounds(location.X, location.Y, size.Width, size.Height, BoundsSpecified.All);
3737 /* Now scale our children */
3738 Control [] controls = child_controls.GetAllControls ();
3739 for (int i=0; i < controls.Length; i++) {
3740 controls[i].Scale(dx, dy);
3746 protected virtual void Select(bool directed, bool forward) {
3747 IContainerControl container;
3749 container = GetContainerControl();
3750 if (container != null)
3751 container.ActiveControl = this;
3754 [EditorBrowsable(EditorBrowsableState.Advanced)]
3755 protected virtual void SetBoundsCore(int x, int y, int width, int height, BoundsSpecified specified) {
3756 // SetBoundsCore updates the Win32 control itself. UpdateBounds updates the controls variables and fires events, I'm guessing - pdb
3757 if (IsHandleCreated) {
3758 XplatUI.SetWindowPos(Handle, x, y, width, height);
3760 // Win32 automatically changes negative width/height to 0.
3761 // The control has already been sent a WM_WINDOWPOSCHANGED message and it has the correct
3762 // data, but it'll be overwritten when we call UpdateBounds unless we get the updated
3764 if (width < 0 || height < 0) {
3766 XplatUI.GetWindowPos(Handle, this is Form, out ix, out iy, out width, out height, out cw, out ch);
3770 UpdateBounds(x, y, width, height);
3775 [EditorBrowsable(EditorBrowsableState.Advanced)]
3776 protected virtual void SetClientSizeCore(int x, int y) {
3777 // Calculate the actual window size from the client size (it usually stays the same or grows)
3778 Rectangle ClientRect;
3779 Rectangle WindowRect;
3782 ClientRect = new Rectangle(0, 0, x, y);
3783 cp = this.CreateParams;
3785 if (XplatUI.CalculateWindowRect(ref ClientRect, cp.Style, cp.ExStyle, null, out WindowRect)==false) {
3789 SetBounds(bounds.X, bounds.Y, WindowRect.Width, WindowRect.Height, BoundsSpecified.Size);
3792 [EditorBrowsable(EditorBrowsableState.Advanced)]
3793 protected internal void SetStyle(ControlStyles flag, bool value) {
3795 control_style |= flag;
3797 control_style &= ~flag;
3801 protected void SetTopLevel(bool value) {
3802 if ((GetTopLevel() != value) && (parent != null)) {
3803 throw new Exception();
3807 if (value == true) {
3817 is_toplevel = value;
3820 protected virtual void SetVisibleCore(bool value) {
3821 if (value!=is_visible) {
3822 if (value && (window.Handle == IntPtr.Zero) || !is_created) {
3828 if (IsHandleCreated) {
3829 XplatUI.SetVisible(Handle, value, true);
3830 // Explicitly move Toplevel windows to where we want them;
3831 // apparently moving unmapped toplevel windows doesn't work
3832 if (is_visible && (this is Form)) {
3833 XplatUI.SetWindowPos(window.Handle, bounds.X, bounds.Y, bounds.Width, bounds.Height);
3837 OnVisibleChanged(EventArgs.Empty);
3839 if (value == false && parent != null && Focused) {
3842 // Need to start at parent, GetContainerControl might return ourselves if we're a container
3843 container = (Control)parent.GetContainerControl();
3844 if (container != null) {
3845 container.SelectNextControl(this, true, true, true, true);
3849 if (parent != null) {
3850 parent.PerformLayout(this, "visible");
3852 PerformLayout(this, "visible");
3857 [EditorBrowsable(EditorBrowsableState.Advanced)]
3858 protected void UpdateBounds() {
3866 if (!IsHandleCreated) {
3870 XplatUI.GetWindowPos(this.Handle, this is Form, out x, out y, out width, out height, out client_width, out client_height);
3872 UpdateBounds(x, y, width, height, client_width, client_height);
3875 [EditorBrowsable(EditorBrowsableState.Advanced)]
3876 protected void UpdateBounds(int x, int y, int width, int height) {
3880 // Calculate client rectangle
3881 rect = new Rectangle(0, 0, 0, 0);
3884 XplatUI.CalculateWindowRect(ref rect, cp.Style, cp.ExStyle, cp.menu, out rect);
3885 UpdateBounds(x, y, width, height, width - (rect.Right - rect.Left), height - (rect.Bottom - rect.Top));
3888 [EditorBrowsable(EditorBrowsableState.Advanced)]
3889 protected void UpdateBounds(int x, int y, int width, int height, int clientWidth, int clientHeight) {
3890 // UpdateBounds only seems to set our sizes and fire events but not update the GUI window to match
3892 bool resized = false;
3894 // Needed to generate required notifications
3895 if ((this.bounds.X!=x) || (this.bounds.Y!=y)) {
3899 if ((this.Bounds.Width!=width) || (this.Bounds.Height!=height)) {
3906 bounds.Height=height;
3908 // Assume explicit bounds set. SetImplicitBounds will restore old bounds
3909 explicit_bounds = bounds;
3911 client_size.Width=clientWidth;
3912 client_size.Height=clientHeight;
3915 OnLocationChanged(EventArgs.Empty);
3919 OnSizeChanged(EventArgs.Empty);
3923 [EditorBrowsable(EditorBrowsableState.Advanced)]
3924 protected void UpdateStyles() {
3925 if (!IsHandleCreated) {
3929 XplatUI.SetWindowStyle(window.Handle, CreateParams);
3930 OnStyleChanged(EventArgs.Empty);
3933 private void UpdateZOrderOfChild(Control child) {
3934 if (IsHandleCreated && child.IsHandleCreated && (child.parent == this)) {
3937 index = child_controls.IndexOf(child);
3940 XplatUI.SetZOrder(child.Handle, child_controls[index - 1].Handle, false, false);
3942 XplatUI.SetZOrder(child.Handle, IntPtr.Zero, true, false);
3947 private void UpdateChildrenZOrder() {
3948 Control [] controls;
3950 if (!IsHandleCreated) {
3954 controls = child_controls.GetAllControls ();
3955 for (int i = 1; i < controls.Length; i++ ) {
3956 XplatUI.SetZOrder(controls[i].Handle, controls[i-1].Handle, false, false);
3960 [EditorBrowsable(EditorBrowsableState.Advanced)]
3961 protected void UpdateZOrder() {
3962 if (parent != null) {
3963 parent.UpdateZOrderOfChild(this);
3967 protected virtual void WndProc(ref Message m) {
3969 Console.WriteLine("Control {0} received message {1}", window.Handle == IntPtr.Zero ? this.Text : XplatUI.Window(window.Handle), m.ToString ());
3971 if ((this.control_style & ControlStyles.EnableNotifyMessage) != 0) {
3975 switch((Msg)m.Msg) {
3976 case Msg.WM_DESTROY: {
3977 OnHandleDestroyed(EventArgs.Empty);
3979 IntPtr handle = window.Handle;
3981 window.InvalidateHandle();
3983 if (is_recreating) {
3985 Console.WriteLine ("Creating handle for {0:X}", handle.ToInt32());
3989 Console.WriteLine (" + new handle = {0:X}", Handle.ToInt32());
3991 is_recreating = false;
3996 case Msg.WM_WINDOWPOSCHANGED: {
3998 Rectangle save_bounds = explicit_bounds;
4000 explicit_bounds = save_bounds;
4001 if (GetStyle(ControlStyles.ResizeRedraw)) {
4008 // Nice description of what should happen when handling WM_PAINT
4009 // can be found here: http://pluralsight.com/wiki/default.aspx/Craig/FlickerFreeControlDrawing.html
4010 // and here http://msdn.microsoft.com/msdnmag/issues/06/03/WindowsFormsPerformance/
4011 case Msg.WM_PAINT: {
4012 PaintEventArgs paint_event;
4014 paint_event = XplatUI.PaintEventStart(Handle, true);
4016 if (paint_event == null) {
4020 if (invalid_region != null && !invalid_region.IsVisible (paint_event.ClipRectangle)) {
4022 // Just blit the previous image
4023 XplatUI.BlitFromOffscreen (Handle, paint_event.Graphics, backbuffer, backbuffer_dc, paint_event.ClipRectangle);
4024 XplatUI.PaintEventEnd (Handle, true);
4029 Graphics back_dc = null;
4031 if (ThemeEngine.Current.DoubleBufferingSupported) {
4032 if ((control_style & ControlStyles.DoubleBuffer) != 0) {
4033 CreateBackBuffer ();
4035 back_dc = backbuffer_dc;
4036 dc = paint_event.SetGraphics (back_dc);
4040 if (!GetStyle(ControlStyles.Opaque)) {
4041 OnPaintBackground(paint_event);
4044 // Button-derived controls choose to ignore their Opaque style, give them a chance to draw their background anyways
4045 OnPaintBackgroundInternal(paint_event);
4047 OnPaintInternal(paint_event);
4048 if (!paint_event.Handled) {
4049 OnPaint(paint_event);
4052 if (ThemeEngine.Current.DoubleBufferingSupported)
4053 if ((control_style & ControlStyles.DoubleBuffer) != 0) {
4054 XplatUI.BlitFromOffscreen (Handle, dc, back, back_dc, paint_event.ClipRectangle);
4055 paint_event.SetGraphics (dc);
4056 invalid_region.Exclude (paint_event.ClipRectangle);
4058 if (back != backbuffer)
4059 XplatUI.DestroyOffscreenDrawable (back, back_dc);
4062 XplatUI.PaintEventEnd(Handle, true);
4067 case Msg.WM_ERASEBKGND: {
4068 // The DefWndProc will never have to handle this, we always paint the background in managed code
4069 // In theory this code would look at ControlStyles.AllPaintingInWmPaint and and call OnPaintBackground
4070 // here but it just makes things more complicated...
4071 m.Result = (IntPtr)1;
4075 case Msg.WM_LBUTTONUP: {
4078 me = new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()) | MouseButtons.Left,
4080 LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()),
4083 HandleClick(mouse_clicks, me);
4086 if (InternalCapture) {
4087 InternalCapture = false;
4090 if (mouse_clicks > 1) {
4096 case Msg.WM_LBUTTONDOWN: {
4098 Select (true, true);
4100 InternalCapture = true;
4101 OnMouseDown (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()),
4102 mouse_clicks, LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()),
4108 case Msg.WM_LBUTTONDBLCLK: {
4109 InternalCapture = true;
4111 OnMouseDown (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()),
4112 mouse_clicks, LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()),
4117 case Msg.WM_MBUTTONUP: {
4120 me = new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()) | MouseButtons.Middle,
4122 LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()),
4125 HandleClick(mouse_clicks, me);
4127 if (InternalCapture) {
4128 InternalCapture = false;
4130 if (mouse_clicks > 1) {
4136 case Msg.WM_MBUTTONDOWN: {
4137 InternalCapture = true;
4138 OnMouseDown (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()),
4139 mouse_clicks, LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()),
4144 case Msg.WM_MBUTTONDBLCLK: {
4145 InternalCapture = true;
4147 OnMouseDown (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()),
4148 mouse_clicks, LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()),
4153 case Msg.WM_RBUTTONUP: {
4157 pt = new Point(LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()));
4158 pt = PointToScreen(pt);
4160 XplatUI.SendMessage(m.HWnd, Msg.WM_CONTEXTMENU, m.HWnd, (IntPtr)(pt.X + (pt.Y << 16)));
4162 me = new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()) | MouseButtons.Right,
4164 LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()),
4167 HandleClick(mouse_clicks, me);
4170 if (InternalCapture) {
4171 InternalCapture = false;
4174 if (mouse_clicks > 1) {
4180 case Msg.WM_RBUTTONDOWN: {
4181 InternalCapture = true;
4182 OnMouseDown (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()),
4183 mouse_clicks, LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()),
4188 case Msg.WM_RBUTTONDBLCLK: {
4189 InternalCapture = true;
4191 OnMouseDown (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()),
4192 mouse_clicks, LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()),
4197 case Msg.WM_CONTEXTMENU: {
4198 if (context_menu != null) {
4201 pt = new Point(LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()));
4202 context_menu.Show(this, PointToClient(pt));
4210 case Msg.WM_MOUSEWHEEL: {
4212 OnMouseWheel (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()),
4213 mouse_clicks, LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()),
4214 HighOrder(m.WParam.ToInt32())));
4219 case Msg.WM_MOUSEMOVE: {
4220 OnMouseMove (new MouseEventArgs (FromParamToMouseButtons ((int) m.WParam.ToInt32()),
4222 LowOrder ((int) m.LParam.ToInt32 ()), HighOrder ((int) m.LParam.ToInt32 ()),
4227 case Msg.WM_MOUSE_ENTER: {
4232 OnMouseEnter(EventArgs.Empty);
4236 case Msg.WM_MOUSE_LEAVE: {
4238 OnMouseLeave(EventArgs.Empty);
4242 case Msg.WM_MOUSEHOVER: {
4243 OnMouseHover(EventArgs.Empty);
4247 case Msg.WM_SYSKEYUP: {
4248 if (ProcessKeyMessage(ref m)) {
4249 m.Result = IntPtr.Zero;
4253 if ((m.WParam.ToInt32() & (int)Keys.KeyCode) == (int)Keys.Menu) {
4257 if (form != null && form.ActiveMenu != null) {
4258 form.ActiveMenu.ProcessCmdKey(ref m, (Keys)m.WParam.ToInt32());
4266 case Msg.WM_SYSKEYDOWN:
4267 case Msg.WM_KEYDOWN:
4269 case Msg.WM_SYSCHAR:
4271 if (ProcessKeyMessage(ref m)) {
4272 m.Result = IntPtr.Zero;
4281 if (m.LParam != IntPtr.Zero) {
4284 hi = new HELPINFO();
4286 hi = (HELPINFO) Marshal.PtrToStructure (m.LParam, typeof (HELPINFO));
4287 mouse_pos = new Point(hi.MousePos.x, hi.MousePos.y);
4289 mouse_pos = Control.MousePosition;
4291 OnHelpRequested(new HelpEventArgs(mouse_pos));
4292 m.Result = (IntPtr)1;
4296 case Msg.WM_KILLFOCUS: {
4297 this.has_focus = false;
4298 OnLostFocusInternal (EventArgs.Empty);
4302 case Msg.WM_SETFOCUS: {
4304 this.has_focus = true;
4305 OnGotFocusInternal (EventArgs.Empty);
4310 case Msg.WM_SYSCOLORCHANGE: {
4311 ThemeEngine.Current.ResetDefaults();
4312 OnSystemColorsChanged(EventArgs.Empty);
4316 case Msg.WM_SETCURSOR: {
4317 if ((cursor == null) || ((HitTest)(m.LParam.ToInt32() & 0xffff) != HitTest.HTCLIENT)) {
4322 XplatUI.SetCursor(window.Handle, cursor.handle);
4323 m.Result = (IntPtr)1;
4333 #endregion // Public Instance Methods
4335 #region OnXXX methods
4336 [EditorBrowsable(EditorBrowsableState.Advanced)]
4337 protected virtual void OnBackColorChanged(EventArgs e) {
4338 EventHandler eh = (EventHandler)(Events [BackColorChangedEvent]);
4341 for (int i=0; i<child_controls.Count; i++) child_controls[i].OnParentBackColorChanged(e);
4344 [EditorBrowsable(EditorBrowsableState.Advanced)]
4345 protected virtual void OnBackgroundImageChanged(EventArgs e) {
4346 EventHandler eh = (EventHandler)(Events [BackgroundImageChangedEvent]);
4349 for (int i=0; i<child_controls.Count; i++) child_controls[i].OnParentBackgroundImageChanged(e);
4352 [EditorBrowsable(EditorBrowsableState.Advanced)]
4353 protected virtual void OnBindingContextChanged(EventArgs e) {
4354 CheckDataBindings ();
4355 EventHandler eh = (EventHandler)(Events [BindingContextChangedEvent]);
4358 for (int i=0; i<child_controls.Count; i++) child_controls[i].OnParentBindingContextChanged(e);
4361 [EditorBrowsable(EditorBrowsableState.Advanced)]
4362 protected virtual void OnCausesValidationChanged(EventArgs e) {
4363 EventHandler eh = (EventHandler)(Events [CausesValidationChangedEvent]);
4368 [EditorBrowsable(EditorBrowsableState.Advanced)]
4369 protected virtual void OnChangeUICues(UICuesEventArgs e) {
4370 UICuesEventHandler eh = (UICuesEventHandler)(Events [ChangeUICuesEvent]);
4375 [EditorBrowsable(EditorBrowsableState.Advanced)]
4376 protected virtual void OnClick(EventArgs e) {
4377 EventHandler eh = (EventHandler)(Events [ClickEvent]);
4382 [EditorBrowsable(EditorBrowsableState.Advanced)]
4383 protected virtual void OnContextMenuChanged(EventArgs e) {
4384 EventHandler eh = (EventHandler)(Events [ContextMenuChangedEvent]);
4389 [EditorBrowsable(EditorBrowsableState.Advanced)]
4390 protected virtual void OnControlAdded(ControlEventArgs e) {
4391 ControlEventHandler eh = (ControlEventHandler)(Events [ControlAddedEvent]);
4396 [EditorBrowsable(EditorBrowsableState.Advanced)]
4397 protected virtual void OnControlRemoved(ControlEventArgs e) {
4398 ControlEventHandler eh = (ControlEventHandler)(Events [ControlRemovedEvent]);
4403 [EditorBrowsable(EditorBrowsableState.Advanced)]
4404 protected virtual void OnCreateControl() {
4408 [EditorBrowsable(EditorBrowsableState.Advanced)]
4409 protected virtual void OnCursorChanged(EventArgs e) {
4410 EventHandler eh = (EventHandler)(Events [CursorChangedEvent]);
4415 [EditorBrowsable(EditorBrowsableState.Advanced)]
4416 protected virtual void OnDockChanged(EventArgs e) {
4417 EventHandler eh = (EventHandler)(Events [DockChangedEvent]);
4422 [EditorBrowsable(EditorBrowsableState.Advanced)]
4423 protected virtual void OnDoubleClick(EventArgs e) {
4424 EventHandler eh = (EventHandler)(Events [DoubleClickEvent]);
4429 [EditorBrowsable(EditorBrowsableState.Advanced)]
4430 protected virtual void OnDragDrop(DragEventArgs drgevent) {
4431 DragEventHandler eh = (DragEventHandler)(Events [DragDropEvent]);
4433 eh (this, drgevent);
4436 [EditorBrowsable(EditorBrowsableState.Advanced)]
4437 protected virtual void OnDragEnter(DragEventArgs drgevent) {
4438 DragEventHandler eh = (DragEventHandler)(Events [DragEnterEvent]);
4440 eh (this, drgevent);
4443 [EditorBrowsable(EditorBrowsableState.Advanced)]
4444 protected virtual void OnDragLeave(EventArgs e) {
4445 EventHandler eh = (EventHandler)(Events [DragLeaveEvent]);
4450 [EditorBrowsable(EditorBrowsableState.Advanced)]
4451 protected virtual void OnDragOver(DragEventArgs drgevent) {
4452 DragEventHandler eh = (DragEventHandler)(Events [DragOverEvent]);
4454 eh (this, drgevent);
4457 [EditorBrowsable(EditorBrowsableState.Advanced)]
4458 protected virtual void OnEnabledChanged(EventArgs e) {
4459 if (IsHandleCreated) {
4461 if (((Form)this).context == null) {
4462 XplatUI.EnableWindow(window.Handle, Enabled);
4465 XplatUI.EnableWindow(window.Handle, Enabled);
4470 EventHandler eh = (EventHandler)(Events [EnabledChangedEvent]);
4474 for (int i=0; i<child_controls.Count; i++) {
4475 child_controls[i].OnParentEnabledChanged(e);
4479 [EditorBrowsable(EditorBrowsableState.Advanced)]
4480 protected virtual void OnEnter(EventArgs e) {
4481 EventHandler eh = (EventHandler)(Events [EnterEvent]);
4486 [EditorBrowsable(EditorBrowsableState.Advanced)]
4487 protected virtual void OnFontChanged(EventArgs e) {
4488 EventHandler eh = (EventHandler)(Events [FontChangedEvent]);
4491 for (int i=0; i<child_controls.Count; i++) child_controls[i].OnParentFontChanged(e);
4494 [EditorBrowsable(EditorBrowsableState.Advanced)]
4495 protected virtual void OnForeColorChanged(EventArgs e) {
4496 EventHandler eh = (EventHandler)(Events [ForeColorChangedEvent]);
4499 for (int i=0; i<child_controls.Count; i++) child_controls[i].OnParentForeColorChanged(e);
4502 [EditorBrowsable(EditorBrowsableState.Advanced)]
4503 protected virtual void OnGiveFeedback(GiveFeedbackEventArgs gfbevent) {
4504 GiveFeedbackEventHandler eh = (GiveFeedbackEventHandler)(Events [GiveFeedbackEvent]);
4506 eh (this, gfbevent);
4509 [EditorBrowsable(EditorBrowsableState.Advanced)]
4510 protected virtual void OnGotFocus(EventArgs e) {
4511 EventHandler eh = (EventHandler)(Events [GotFocusEvent]);
4516 [EditorBrowsable(EditorBrowsableState.Advanced)]
4517 protected virtual void OnHandleCreated(EventArgs e) {
4518 EventHandler eh = (EventHandler)(Events [HandleCreatedEvent]);
4523 [EditorBrowsable(EditorBrowsableState.Advanced)]
4524 protected virtual void OnHandleDestroyed(EventArgs e) {
4525 EventHandler eh = (EventHandler)(Events [HandleDestroyedEvent]);
4530 [EditorBrowsable(EditorBrowsableState.Advanced)]
4531 protected virtual void OnHelpRequested(HelpEventArgs hevent) {
4532 HelpEventHandler eh = (HelpEventHandler)(Events [HelpRequestedEvent]);
4537 protected virtual void OnImeModeChanged(EventArgs e) {
4538 EventHandler eh = (EventHandler)(Events [ImeModeChangedEvent]);
4543 [EditorBrowsable(EditorBrowsableState.Advanced)]
4544 protected virtual void OnInvalidated(InvalidateEventArgs e) {
4545 if (ThemeEngine.Current.DoubleBufferingSupported)
4546 if ((control_style & ControlStyles.DoubleBuffer) != 0) {
4547 // should this block be here? seems like it
4548 // would be more at home in
4549 // NotifyInvalidated..
4550 if (e.InvalidRect == ClientRectangle) {
4551 InvalidateBackBuffer ();
4554 // we need this Inflate call here so
4555 // that the border of the rectangle is
4556 // considered Visible (the
4557 // invalid_region.IsVisible call) in
4558 // the WM_PAINT handling below.
4559 Rectangle r = Rectangle.Inflate(e.InvalidRect, 1,1);
4560 if (invalid_region == null)
4561 invalid_region = new Region (r);
4563 invalid_region.Union (r);
4567 InvalidateEventHandler eh = (InvalidateEventHandler)(Events [InvalidatedEvent]);
4572 [EditorBrowsable(EditorBrowsableState.Advanced)]
4573 protected virtual void OnKeyDown(KeyEventArgs e) {
4574 KeyEventHandler eh = (KeyEventHandler)(Events [KeyDownEvent]);
4579 [EditorBrowsable(EditorBrowsableState.Advanced)]
4580 protected virtual void OnKeyPress(KeyPressEventArgs e) {
4581 KeyPressEventHandler eh = (KeyPressEventHandler)(Events [KeyPressEvent]);
4586 [EditorBrowsable(EditorBrowsableState.Advanced)]
4587 protected virtual void OnKeyUp(KeyEventArgs e) {
4588 KeyEventHandler eh = (KeyEventHandler)(Events [KeyUpEvent]);
4593 [EditorBrowsable(EditorBrowsableState.Advanced)]
4594 protected virtual void OnLayout(LayoutEventArgs levent) {
4595 LayoutEventHandler eh = (LayoutEventHandler)(Events [LayoutEvent]);
4600 [EditorBrowsable(EditorBrowsableState.Advanced)]
4601 protected virtual void OnLeave(EventArgs e) {
4602 EventHandler eh = (EventHandler)(Events [LeaveEvent]);
4607 [EditorBrowsable(EditorBrowsableState.Advanced)]
4608 protected virtual void OnLocationChanged(EventArgs e) {
4610 EventHandler eh = (EventHandler)(Events [LocationChangedEvent]);
4615 [EditorBrowsable(EditorBrowsableState.Advanced)]
4616 protected virtual void OnLostFocus(EventArgs e) {
4617 EventHandler eh = (EventHandler)(Events [LostFocusEvent]);
4622 [EditorBrowsable(EditorBrowsableState.Advanced)]
4623 protected virtual void OnMouseDown(MouseEventArgs e) {
4624 MouseEventHandler eh = (MouseEventHandler)(Events [MouseDownEvent]);
4629 [EditorBrowsable(EditorBrowsableState.Advanced)]
4630 protected virtual void OnMouseEnter(EventArgs e) {
4631 EventHandler eh = (EventHandler)(Events [MouseEnterEvent]);
4636 [EditorBrowsable(EditorBrowsableState.Advanced)]
4637 protected virtual void OnMouseHover(EventArgs e) {
4638 EventHandler eh = (EventHandler)(Events [MouseHoverEvent]);
4643 [EditorBrowsable(EditorBrowsableState.Advanced)]
4644 protected virtual void OnMouseLeave(EventArgs e) {
4645 EventHandler eh = (EventHandler)(Events [MouseLeaveEvent]);
4650 [EditorBrowsable(EditorBrowsableState.Advanced)]
4651 protected virtual void OnMouseMove(MouseEventArgs e) {
4652 MouseEventHandler eh = (MouseEventHandler)(Events [MouseMoveEvent]);
4657 [EditorBrowsable(EditorBrowsableState.Advanced)]
4658 protected virtual void OnMouseUp(MouseEventArgs e) {
4659 MouseEventHandler eh = (MouseEventHandler)(Events [MouseUpEvent]);
4664 [EditorBrowsable(EditorBrowsableState.Advanced)]
4665 protected virtual void OnMouseWheel(MouseEventArgs e) {
4666 MouseEventHandler eh = (MouseEventHandler)(Events [MouseWheelEvent]);
4671 [EditorBrowsable(EditorBrowsableState.Advanced)]
4672 protected virtual void OnMove(EventArgs e) {
4673 EventHandler eh = (EventHandler)(Events [MoveEvent]);
4678 [EditorBrowsable(EditorBrowsableState.Advanced)]
4679 protected virtual void OnNotifyMessage(Message m) {
4683 [EditorBrowsable(EditorBrowsableState.Advanced)]
4684 protected virtual void OnPaint(PaintEventArgs e) {
4685 PaintEventHandler eh = (PaintEventHandler)(Events [PaintEvent]);
4690 internal virtual void OnPaintBackgroundInternal(PaintEventArgs e) {
4694 internal virtual void OnPaintInternal(PaintEventArgs e) {
4698 internal virtual void OnGotFocusInternal (EventArgs e)
4703 internal virtual void OnLostFocusInternal (EventArgs e)
4708 [EditorBrowsable(EditorBrowsableState.Advanced)]
4709 protected virtual void OnPaintBackground(PaintEventArgs pevent) {
4710 PaintControlBackground (pevent);
4713 [EditorBrowsable(EditorBrowsableState.Advanced)]
4714 protected virtual void OnParentBackColorChanged(EventArgs e) {
4715 if (background_color.IsEmpty && background_image==null) {
4717 OnBackColorChanged(e);
4721 [EditorBrowsable(EditorBrowsableState.Advanced)]
4722 protected virtual void OnParentBackgroundImageChanged(EventArgs e) {
4723 if (background_color.IsEmpty && background_image==null) {
4725 OnBackgroundImageChanged(e);
4729 [EditorBrowsable(EditorBrowsableState.Advanced)]
4730 protected virtual void OnParentBindingContextChanged(EventArgs e) {
4731 if (binding_context==null) {
4732 binding_context=Parent.binding_context;
4733 OnBindingContextChanged(e);
4737 [EditorBrowsable(EditorBrowsableState.Advanced)]
4738 protected virtual void OnParentChanged(EventArgs e) {
4739 EventHandler eh = (EventHandler)(Events [ParentChangedEvent]);
4744 [EditorBrowsable(EditorBrowsableState.Advanced)]
4745 protected virtual void OnParentEnabledChanged(EventArgs e) {
4747 OnEnabledChanged(e);
4751 [EditorBrowsable(EditorBrowsableState.Advanced)]
4752 protected virtual void OnParentFontChanged(EventArgs e) {
4759 [EditorBrowsable(EditorBrowsableState.Advanced)]
4760 protected virtual void OnParentForeColorChanged(EventArgs e) {
4761 if (foreground_color.IsEmpty) {
4763 OnForeColorChanged(e);
4767 [EditorBrowsable(EditorBrowsableState.Advanced)]
4768 protected virtual void OnParentRightToLeftChanged(EventArgs e) {
4769 if (right_to_left==RightToLeft.Inherit) {
4771 OnRightToLeftChanged(e);
4775 [EditorBrowsable(EditorBrowsableState.Advanced)]
4776 protected virtual void OnParentVisibleChanged(EventArgs e) {
4778 OnVisibleChanged(e);
4782 [EditorBrowsable(EditorBrowsableState.Advanced)]
4783 protected virtual void OnQueryContinueDrag(QueryContinueDragEventArgs e) {
4784 QueryContinueDragEventHandler eh = (QueryContinueDragEventHandler)(Events [QueryContinueDragEvent]);
4789 [EditorBrowsable(EditorBrowsableState.Advanced)]
4790 protected virtual void OnResize(EventArgs e) {
4791 EventHandler eh = (EventHandler)(Events [ResizeEvent]);
4795 PerformLayout(this, "bounds");
4797 if (parent != null) {
4798 parent.PerformLayout();
4802 [EditorBrowsable(EditorBrowsableState.Advanced)]
4803 protected virtual void OnRightToLeftChanged(EventArgs e) {
4804 EventHandler eh = (EventHandler)(Events [RightToLeftChangedEvent]);
4807 for (int i=0; i<child_controls.Count; i++) child_controls[i].OnParentRightToLeftChanged(e);
4810 [EditorBrowsable(EditorBrowsableState.Advanced)]
4811 protected virtual void OnSizeChanged(EventArgs e) {
4812 DisposeBackBuffer ();
4814 EventHandler eh = (EventHandler)(Events [SizeChangedEvent]);
4819 [EditorBrowsable(EditorBrowsableState.Advanced)]
4820 protected virtual void OnStyleChanged(EventArgs e) {
4821 EventHandler eh = (EventHandler)(Events [StyleChangedEvent]);
4826 [EditorBrowsable(EditorBrowsableState.Advanced)]
4827 protected virtual void OnSystemColorsChanged(EventArgs e) {
4828 EventHandler eh = (EventHandler)(Events [SystemColorsChangedEvent]);
4833 [EditorBrowsable(EditorBrowsableState.Advanced)]
4834 protected virtual void OnTabIndexChanged(EventArgs e) {
4835 EventHandler eh = (EventHandler)(Events [TabIndexChangedEvent]);
4840 [EditorBrowsable(EditorBrowsableState.Advanced)]
4841 protected virtual void OnTabStopChanged(EventArgs e) {
4842 EventHandler eh = (EventHandler)(Events [TabStopChangedEvent]);
4847 [EditorBrowsable(EditorBrowsableState.Advanced)]
4848 protected virtual void OnTextChanged(EventArgs e) {
4849 EventHandler eh = (EventHandler)(Events [TextChangedEvent]);
4854 [EditorBrowsable(EditorBrowsableState.Advanced)]
4855 protected virtual void OnValidated(EventArgs e) {
4856 EventHandler eh = (EventHandler)(Events [ValidatedEvent]);
4861 [EditorBrowsable(EditorBrowsableState.Advanced)]
4862 protected virtual void OnValidating(System.ComponentModel.CancelEventArgs e) {
4863 CancelEventHandler eh = (CancelEventHandler)(Events [ValidatingEvent]);
4868 [EditorBrowsable(EditorBrowsableState.Advanced)]
4869 protected virtual void OnVisibleChanged(EventArgs e) {
4870 if ((parent != null) && !Created && Visible) {
4877 EventHandler eh = (EventHandler)(Events [VisibleChangedEvent]);
4881 // We need to tell our kids
4882 for (int i=0; i<child_controls.Count; i++) {
4883 if (child_controls[i].Visible) {
4884 child_controls[i].OnParentVisibleChanged(e);
4888 #endregion // OnXXX methods
4891 static object BackColorChangedEvent = new object ();
4892 static object BackgroundImageChangedEvent = new object ();
4893 static object BindingContextChangedEvent = new object ();
4894 static object CausesValidationChangedEvent = new object ();
4895 static object ChangeUICuesEvent = new object ();
4896 static object ClickEvent = new object ();
4897 static object ContextMenuChangedEvent = new object ();
4898 static object ControlAddedEvent = new object ();
4899 static object ControlRemovedEvent = new object ();
4900 static object CursorChangedEvent = new object ();
4901 static object DockChangedEvent = new object ();
4902 static object DoubleClickEvent = new object ();
4903 static object DragDropEvent = new object ();
4904 static object DragEnterEvent = new object ();
4905 static object DragLeaveEvent = new object ();
4906 static object DragOverEvent = new object ();
4907 static object EnabledChangedEvent = new object ();
4908 static object EnterEvent = new object ();
4909 static object FontChangedEvent = new object ();
4910 static object ForeColorChangedEvent = new object ();
4911 static object GiveFeedbackEvent = new object ();
4912 static object GotFocusEvent = new object ();
4913 static object HandleCreatedEvent = new object ();
4914 static object HandleDestroyedEvent = new object ();
4915 static object HelpRequestedEvent = new object ();
4916 static object ImeModeChangedEvent = new object ();
4917 static object InvalidatedEvent = new object ();
4918 static object KeyDownEvent = new object ();
4919 static object KeyPressEvent = new object ();
4920 static object KeyUpEvent = new object ();
4921 static object LayoutEvent = new object ();
4922 static object LeaveEvent = new object ();
4923 static object LocationChangedEvent = new object ();
4924 static object LostFocusEvent = new object ();
4925 static object MouseDownEvent = new object ();
4926 static object MouseEnterEvent = new object ();
4927 static object MouseHoverEvent = new object ();
4928 static object MouseLeaveEvent = new object ();
4929 static object MouseMoveEvent = new object ();
4930 static object MouseUpEvent = new object ();
4931 static object MouseWheelEvent = new object ();
4932 static object MoveEvent = new object ();
4933 static object PaintEvent = new object ();
4934 static object ParentChangedEvent = new object ();
4935 static object QueryAccessibilityHelpEvent = new object ();
4936 static object QueryContinueDragEvent = new object ();
4937 static object ResizeEvent = new object ();
4938 static object RightToLeftChangedEvent = new object ();
4939 static object SizeChangedEvent = new object ();
4940 static object StyleChangedEvent = new object ();
4941 static object SystemColorsChangedEvent = new object ();
4942 static object TabIndexChangedEvent = new object ();
4943 static object TabStopChangedEvent = new object ();
4944 static object TextChangedEvent = new object ();
4945 static object ValidatedEvent = new object ();
4946 static object ValidatingEvent = new object ();
4947 static object VisibleChangedEvent = new object ();
4949 public event EventHandler BackColorChanged {
4950 add { Events.AddHandler (BackColorChangedEvent, value); }
4951 remove { Events.RemoveHandler (BackColorChangedEvent, value); }
4954 public event EventHandler BackgroundImageChanged {
4955 add { Events.AddHandler (BackgroundImageChangedEvent, value); }
4956 remove { Events.RemoveHandler (BackgroundImageChangedEvent, value); }
4959 public event EventHandler BindingContextChanged {
4960 add { Events.AddHandler (BindingContextChangedEvent, value); }
4961 remove { Events.RemoveHandler (BindingContextChangedEvent, value); }
4964 public event EventHandler CausesValidationChanged {
4965 add { Events.AddHandler (CausesValidationChangedEvent, value); }
4966 remove { Events.RemoveHandler (CausesValidationChangedEvent, value); }
4969 public event UICuesEventHandler ChangeUICues {
4970 add { Events.AddHandler (ChangeUICuesEvent, value); }
4971 remove { Events.RemoveHandler (ChangeUICuesEvent, value); }
4974 public event EventHandler Click {
4975 add { Events.AddHandler (ClickEvent, value); }
4976 remove { Events.RemoveHandler (ClickEvent, value); }
4979 public event EventHandler ContextMenuChanged {
4980 add { Events.AddHandler (ContextMenuChangedEvent, value); }
4981 remove { Events.RemoveHandler (ContextMenuChangedEvent, value); }
4984 [EditorBrowsable(EditorBrowsableState.Advanced)]
4986 public event ControlEventHandler ControlAdded {
4987 add { Events.AddHandler (ControlAddedEvent, value); }
4988 remove { Events.RemoveHandler (ControlAddedEvent, value); }
4991 [EditorBrowsable(EditorBrowsableState.Advanced)]
4993 public event ControlEventHandler ControlRemoved {
4994 add { Events.AddHandler (ControlRemovedEvent, value); }
4995 remove { Events.RemoveHandler (ControlRemovedEvent, value); }
4998 [MWFDescription("Fired when the cursor for the control has been changed"), MWFCategory("PropertyChanged")]
4999 public event EventHandler CursorChanged {
5000 add { Events.AddHandler (CursorChangedEvent, value); }
5001 remove { Events.RemoveHandler (CursorChangedEvent, value); }
5003 public event EventHandler DockChanged {
5004 add { Events.AddHandler (DockChangedEvent, value); }
5005 remove { Events.RemoveHandler (DockChangedEvent, value); }
5008 public event EventHandler DoubleClick {
5009 add { Events.AddHandler (DoubleClickEvent, value); }
5010 remove { Events.RemoveHandler (DoubleClickEvent, value); }
5013 public event DragEventHandler DragDrop {
5014 add { Events.AddHandler (DragDropEvent, value); }
5015 remove { Events.RemoveHandler (DragDropEvent, value); }
5018 public event DragEventHandler DragEnter {
5019 add { Events.AddHandler (DragEnterEvent, value); }
5020 remove { Events.RemoveHandler (DragEnterEvent, value); }
5023 public event EventHandler DragLeave {
5024 add { Events.AddHandler (DragLeaveEvent, value); }
5025 remove { Events.RemoveHandler (DragLeaveEvent, value); }
5028 public event DragEventHandler DragOver {
5029 add { Events.AddHandler (DragOverEvent, value); }
5030 remove { Events.RemoveHandler (DragOverEvent, value); }
5033 public event EventHandler EnabledChanged {
5034 add { Events.AddHandler (EnabledChangedEvent, value); }
5035 remove { Events.RemoveHandler (EnabledChangedEvent, value); }
5038 public event EventHandler Enter {
5039 add { Events.AddHandler (EnterEvent, value); }
5040 remove { Events.RemoveHandler (EnterEvent, value); }
5043 public event EventHandler FontChanged {
5044 add { Events.AddHandler (FontChangedEvent, value); }
5045 remove { Events.RemoveHandler (FontChangedEvent, value); }
5048 public event EventHandler ForeColorChanged {
5049 add { Events.AddHandler (ForeColorChangedEvent, value); }
5050 remove { Events.RemoveHandler (ForeColorChangedEvent, value); }
5053 public event GiveFeedbackEventHandler GiveFeedback {
5054 add { Events.AddHandler (GiveFeedbackEvent, value); }
5055 remove { Events.RemoveHandler (GiveFeedbackEvent, value); }
5058 [EditorBrowsable(EditorBrowsableState.Advanced)]
5060 public event EventHandler GotFocus {
5061 add { Events.AddHandler (GotFocusEvent, value); }
5062 remove { Events.RemoveHandler (GotFocusEvent, value); }
5066 [EditorBrowsable(EditorBrowsableState.Advanced)]
5068 public event EventHandler HandleCreated {
5069 add { Events.AddHandler (HandleCreatedEvent, value); }
5070 remove { Events.RemoveHandler (HandleCreatedEvent, value); }
5073 [EditorBrowsable(EditorBrowsableState.Advanced)]
5075 public event EventHandler HandleDestroyed {
5076 add { Events.AddHandler (HandleDestroyedEvent, value); }
5077 remove { Events.RemoveHandler (HandleDestroyedEvent, value); }
5080 public event HelpEventHandler HelpRequested {
5081 add { Events.AddHandler (HelpRequestedEvent, value); }
5082 remove { Events.RemoveHandler (HelpRequestedEvent, value); }
5085 public event EventHandler ImeModeChanged {
5086 add { Events.AddHandler (ImeModeChangedEvent, value); }
5087 remove { Events.RemoveHandler (ImeModeChangedEvent, value); }
5090 [EditorBrowsable(EditorBrowsableState.Advanced)]
5092 public event InvalidateEventHandler Invalidated {
5093 add { Events.AddHandler (InvalidatedEvent, value); }
5094 remove { Events.RemoveHandler (InvalidatedEvent, value); }
5097 public event KeyEventHandler KeyDown {
5098 add { Events.AddHandler (KeyDownEvent, value); }
5099 remove { Events.RemoveHandler (KeyDownEvent, value); }
5102 public event KeyPressEventHandler KeyPress {
5103 add { Events.AddHandler (KeyPressEvent, value); }
5104 remove { Events.RemoveHandler (KeyPressEvent, value); }
5107 public event KeyEventHandler KeyUp {
5108 add { Events.AddHandler (KeyUpEvent, value); }
5109 remove { Events.RemoveHandler (KeyUpEvent, value); }
5112 public event LayoutEventHandler Layout {
5113 add { Events.AddHandler (LayoutEvent, value); }
5114 remove { Events.RemoveHandler (LayoutEvent, value); }
5117 public event EventHandler Leave {
5118 add { Events.AddHandler (LeaveEvent, value); }
5119 remove { Events.RemoveHandler (LeaveEvent, value); }
5122 public event EventHandler LocationChanged {
5123 add { Events.AddHandler (LocationChangedEvent, value); }
5124 remove { Events.RemoveHandler (LocationChangedEvent, value); }
5127 [EditorBrowsable(EditorBrowsableState.Advanced)]
5129 public event EventHandler LostFocus {
5130 add { Events.AddHandler (LostFocusEvent, value); }
5131 remove { Events.RemoveHandler (LostFocusEvent, value); }
5134 public event MouseEventHandler MouseDown {
5135 add { Events.AddHandler (MouseDownEvent, value); }
5136 remove { Events.RemoveHandler (MouseDownEvent, value); }
5139 public event EventHandler MouseEnter {
5140 add { Events.AddHandler (MouseEnterEvent, value); }
5141 remove { Events.RemoveHandler (MouseEnterEvent, value); }
5144 public event EventHandler MouseHover {
5145 add { Events.AddHandler (MouseHoverEvent, value); }
5146 remove { Events.RemoveHandler (MouseHoverEvent, value); }
5149 public event EventHandler MouseLeave {
5150 add { Events.AddHandler (MouseLeaveEvent, value); }
5151 remove { Events.RemoveHandler (MouseLeaveEvent, value); }
5154 public event MouseEventHandler MouseMove {
5155 add { Events.AddHandler (MouseMoveEvent, value); }
5156 remove { Events.RemoveHandler (MouseMoveEvent, value); }
5159 public event MouseEventHandler MouseUp {
5160 add { Events.AddHandler (MouseUpEvent, value); }
5161 remove { Events.RemoveHandler (MouseUpEvent, value); }
5164 [EditorBrowsable(EditorBrowsableState.Advanced)]
5166 public event MouseEventHandler MouseWheel {
5167 add { Events.AddHandler (MouseWheelEvent, value); }
5168 remove { Events.RemoveHandler (MouseWheelEvent, value); }
5171 public event EventHandler Move {
5172 add { Events.AddHandler (MoveEvent, value); }
5173 remove { Events.RemoveHandler (MoveEvent, value); }
5176 public event PaintEventHandler Paint {
5177 add { Events.AddHandler (PaintEvent, value); }
5178 remove { Events.RemoveHandler (PaintEvent, value); }
5181 public event EventHandler ParentChanged {
5182 add { Events.AddHandler (ParentChangedEvent, value); }
5183 remove { Events.RemoveHandler (ParentChangedEvent, value); }
5186 public event QueryAccessibilityHelpEventHandler QueryAccessibilityHelp {
5187 add { Events.AddHandler (QueryAccessibilityHelpEvent, value); }
5188 remove { Events.RemoveHandler (QueryAccessibilityHelpEvent, value); }
5191 public event QueryContinueDragEventHandler QueryContinueDrag {
5192 add { Events.AddHandler (QueryContinueDragEvent, value); }
5193 remove { Events.RemoveHandler (QueryContinueDragEvent, value); }
5196 public event EventHandler Resize {
5197 add { Events.AddHandler (ResizeEvent, value); }
5198 remove { Events.RemoveHandler (ResizeEvent, value); }
5201 public event EventHandler RightToLeftChanged {
5202 add { Events.AddHandler (RightToLeftChangedEvent, value); }
5203 remove { Events.RemoveHandler (RightToLeftChangedEvent, value); }
5206 public event EventHandler SizeChanged {
5207 add { Events.AddHandler (SizeChangedEvent, value); }
5208 remove { Events.RemoveHandler (SizeChangedEvent, value); }
5211 public event EventHandler StyleChanged {
5212 add { Events.AddHandler (StyleChangedEvent, value); }
5213 remove { Events.RemoveHandler (StyleChangedEvent, value); }
5216 public event EventHandler SystemColorsChanged {
5217 add { Events.AddHandler (SystemColorsChangedEvent, value); }
5218 remove { Events.RemoveHandler (SystemColorsChangedEvent, value); }
5221 public event EventHandler TabIndexChanged {
5222 add { Events.AddHandler (TabIndexChangedEvent, value); }
5223 remove { Events.RemoveHandler (TabIndexChangedEvent, value); }
5226 public event EventHandler TabStopChanged {
5227 add { Events.AddHandler (TabStopChangedEvent, value); }
5228 remove { Events.RemoveHandler (TabStopChangedEvent, value); }
5231 public event EventHandler TextChanged {
5232 add { Events.AddHandler (TextChangedEvent, value); }
5233 remove { Events.RemoveHandler (TextChangedEvent, value); }
5236 public event EventHandler Validated {
5237 add { Events.AddHandler (ValidatedEvent, value); }
5238 remove { Events.RemoveHandler (ValidatedEvent, value); }
5241 public event CancelEventHandler Validating {
5242 add { Events.AddHandler (ValidatingEvent, value); }
5243 remove { Events.RemoveHandler (ValidatingEvent, value); }
5246 public event EventHandler VisibleChanged {
5247 add { Events.AddHandler (VisibleChangedEvent, value); }
5248 remove { Events.RemoveHandler (VisibleChangedEvent, value); }
5251 #endregion // Events