Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

mcs/class/System.Windows.Forms/System.Windows.Forms.Theming/Default/TabControlPainter.cs

@@ -192,7 +192,7 @@ namespace System.Windows.Forms.Theming.Default
 			defaultFormatting.Alignment = StringAlignment.Near;
 			defaultFormatting.LineAlignment = StringAlignment.Center;
 			defaultFormatting.FormatFlags = StringFormatFlags.NoWrap | StringFormatFlags.NoClip;
-			defaultFormatting.HotkeyPrefix = HotkeyPrefix.Show;
+			defaultFormatting.HotkeyPrefix = HotkeyPrefix.None;
 
 			borderThickness = new Rectangle (1, 1, 2, 2);
 		}

mcs/class/System.Windows.Forms/System.Windows.Forms/Control.cs.REMOVED.git-id

@@ -1 +1 @@
-d9fff17a8968e5c1dcabf968910a4d3cbfeeee71
+c92b7a7aae3d0a8d64af67e50cff065c9d7f8009

mcs/class/System.Windows.Forms/System.Windows.Forms/DataGridView.cs.REMOVED.git-id

@@ -1 +1 @@
-b37f046211082c8614dd342c09dcaac727f0e978
+c9d782df295927cc7e4f189dacac0849b5b177a2

mcs/class/System.Windows.Forms/System.Windows.Forms/DataGridViewRow.cs

@@ -356,6 +356,7 @@ namespace System.Windows.Forms
 		{
 			DataGridViewRow row = (DataGridViewRow)MemberwiseClone ();
 
+			row.DefaultCellStyle = (DataGridViewCellStyle)DefaultCellStyle.Clone ();
 			row.HeaderCell = (DataGridViewRowHeaderCell)HeaderCell.Clone ();
 			row.SetIndex (-1);
 			

mcs/class/System.Windows.Forms/System.Windows.Forms/InputLanguage.cs

@@ -26,7 +26,9 @@
 
 // NOT COMPLETE
 
+using System.Collections.Generic;
 using System.Globalization;
+using System.Runtime.InteropServices;
 
 namespace System.Windows.Forms {
 	public sealed class InputLanguage {
@@ -37,6 +39,15 @@ namespace System.Windows.Forms {
 		private static InputLanguage	current_input;
 		private static InputLanguage	default_input;
 
+
+		#region user32.dll functions
+		[DllImport("user32", CharSet = CharSet.Auto)]
+		private static extern IntPtr GetKeyboardLayout(UInt32 idThread);
+
+		[DllImport("user32", CharSet = CharSet.Auto)]
+		private static extern Int32 GetKeyboardLayoutList(Int32 nBuff, IntPtr[] lpList);
+		#endregion	// user32.dll functions
+
 		#region Private Constructor
 		[MonoInternalNote ("Pull Microsofts InputLanguages and enter them here")]
 		internal InputLanguage()
@@ -75,9 +86,23 @@ namespace System.Windows.Forms {
 
 		public static InputLanguageCollection InstalledInputLanguages {
 			get {
-				if (all == null)
-					all = new InputLanguageCollection (new InputLanguage[] { new InputLanguage (IntPtr.Zero, new CultureInfo(string.Empty), "US") });
+				if (all == null) {
+					List<InputLanguage> inputLanguageList = new List<InputLanguage>();
+					if (Environment.OSVersion.Platform == PlatformID.Win32NT) {
+						var keyboardLayoutCount = GetKeyboardLayoutList (0, null);
+						var keyboardLayoutIds = new IntPtr[keyboardLayoutCount];
+						GetKeyboardLayoutList (keyboardLayoutCount, keyboardLayoutIds);
 
+						foreach (var keyboardLayoutId in keyboardLayoutIds) {
+							var languageId = (Int32)keyboardLayoutId & 0xFFFF;
+							CultureInfo cultureInfo = CultureInfo.GetCultureInfo (languageId);
+							inputLanguageList.Add (new InputLanguage (IntPtr.Zero, cultureInfo, cultureInfo.Name));
+						}
+					}
+					if (inputLanguageList.Count == 0)
+						inputLanguageList.Add (new InputLanguage (IntPtr.Zero, new CultureInfo(string.Empty), "US"));
+					all = new InputLanguageCollection (inputLanguageList.ToArray());
+				}
 				return all;
 			}
 		}

mcs/class/System.Windows.Forms/System.Windows.Forms/ListView.cs.REMOVED.git-id

@@ -1 +1 @@
-4478f6741047fea9bc94ba4f52a367717235831f
+a8854afd6ef1ce1b4375a4d60e8223087d1330a8

mcs/class/System.Windows.Forms/System.Windows.Forms/ListViewGroup.cs

@@ -84,15 +84,23 @@ namespace System.Windows.Forms
 			header_alignment = (HorizontalAlignment)info.GetInt32("HeaderAlignment");
 			tag = info.GetValue("Tag", typeof(object));
 
-			int count = info.GetInt32("ListViewItemCount");
-			if (count > 0) {
-				if(items == null)
-				items = new ListView.ListViewItemCollection(list_view_owner);
+			int count = 0;
+			try {
+				count = info.GetInt32("ItemsCount");
+			} catch (SerializationException e) {
+				// Mono backwards compat
+				try {
+ 					count = info.GetInt32("ListViewItemCount");
+				} catch (SerializationException e2) {}
+			}
 
-				for (int i = 0; i < count; i++)
-				{
-					items.Add((ListViewItem)info.GetValue(string.Format("ListViewItem_{0}", i), typeof(ListViewItem)));
-				}
+			if (items == null) {
+				items = new ListView.ListViewItemCollection(list_view_owner);
+			}
+
+			for (int i = 0; i < count; i++)
+			{
+				items.Add((ListViewItem)info.GetValue(string.Format("ListViewItem_{0}", i), typeof(ListViewItem)));
 			}
 		}
 

mcs/class/System.Windows.Forms/System.Windows.Forms/MaskedTextBox.cs

@@ -531,10 +531,12 @@ namespace System.Windows.Forms
 		public new string [] Lines {
 			get {
 				string text = Text;
+				if (!is_empty_mask)
+					text = provider.ToDisplayString ();
 				if (text == null || text == string.Empty)
 					return new string [] {};
 				
-				return Text.Split (new string [] {"\r\n", "\r", "\n"}, StringSplitOptions.None);
+				return text.Split (new string [] {"\r\n", "\r", "\n"}, StringSplitOptions.None);
 			}
 			set {
 				// Do nothing, not supported by MTB.

mcs/class/System.Windows.Forms/System.Windows.Forms/PropertyGrid.cs

@@ -566,11 +566,13 @@ namespace System.Windows.Forms
 		internal void OnExpandItem (GridEntry item)
 		{
 			property_grid_view.ExpandItem (item);
+			OnExpandedItemChanged (EventArgs.Empty);
 		}
 
 		internal void OnCollapseItem (GridEntry item)
 		{
 			property_grid_view.CollapseItem (item);
+			OnExpandedItemChanged (EventArgs.Empty);
 		}
 
 		internal DialogResult ShowError (string text)
@@ -1081,7 +1083,7 @@ namespace System.Windows.Forms
 			if (eh != null)
 				eh (this, e);
 		}
-		
+
 		protected virtual void OnPropertyTabChanged (PropertyTabChangedEventArgs e) 
 		{
 			PropertyTabChangedEventHandler eh = (PropertyTabChangedEventHandler)(Events [PropertyTabChangedEvent]);
@@ -1119,6 +1121,13 @@ namespace System.Windows.Forms
 			base.OnVisibleChanged (e);
 		}
 
+		protected void OnExpandedItemChanged (EventArgs e)
+		{
+			EventHandler eh = (EventHandler)(Events [ExpandedItemChangedEvent]);
+			if (eh != null)
+				eh (this, e);
+		}
+
 		protected override bool ProcessDialogKey (Keys keyData) {
 			return base.ProcessDialogKey (keyData);
 		}
@@ -1140,6 +1149,7 @@ namespace System.Windows.Forms
 		static object PropertyValueChangedEvent = new object ();
 		static object SelectedGridItemChangedEvent = new object ();
 		static object SelectedObjectsChangedEvent = new object ();
+		static object ExpandedItemChangedEvent = new object ();
 
 		public event EventHandler PropertySortChanged {
 			add { Events.AddHandler (PropertySortChangedEvent, value); }
@@ -1165,6 +1175,12 @@ namespace System.Windows.Forms
 			add { Events.AddHandler (SelectedObjectsChangedEvent, value); }
 			remove { Events.RemoveHandler (SelectedObjectsChangedEvent, value); }
 		}
+
+		// UIA Framework Note: Used to track changes of expanded state of grid items
+		internal event EventHandler ExpandedItemChanged {
+			add { Events.AddHandler (ExpandedItemChangedEvent, value); }
+			remove { Events.RemoveHandler (ExpandedItemChangedEvent, value); }
+		}
 		
 		[Browsable(false)]
 		[EditorBrowsable(EditorBrowsableState.Never)]

mcs/class/System.Windows.Forms/System.Windows.Forms/ScrollBar.cs

@@ -443,7 +443,7 @@ namespace System.Windows.Forms
 					InvalidateDirty ();
 
 					// UIA Framework: Generate UIA Event to indicate LargeChange change
-					OnUIAValueChanged (new ScrollEventArgs (ScrollEventType.LargeIncrement, value));
+					OnUIAValueChanged (new ScrollEventArgs (ScrollEventType.LargeIncrement, value, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll)));
 				}
 			}
 		}
@@ -460,7 +460,7 @@ namespace System.Windows.Forms
 				maximum = value;
 
 				// UIA Framework: Generate UIA Event to indicate Maximum change
-				OnUIAValueChanged (new ScrollEventArgs (ScrollEventType.Last, value));
+				OnUIAValueChanged (new ScrollEventArgs (ScrollEventType.Last, value, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll)));
 
 				if (maximum < minimum)
 					minimum = maximum;
@@ -534,7 +534,7 @@ namespace System.Windows.Forms
 				minimum = value;
 
 				// UIA Framework: Generate UIA Event to indicate Minimum change
-				OnUIAValueChanged (new ScrollEventArgs (ScrollEventType.First, value));
+				OnUIAValueChanged (new ScrollEventArgs (ScrollEventType.First, value, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll)));
 
 				if (minimum > maximum)
 					maximum = minimum;
@@ -561,7 +561,7 @@ namespace System.Windows.Forms
 					InvalidateDirty ();
 
 					// UIA Framework: Generate UIA Event to indicate SmallChange change
-					OnUIAValueChanged (new ScrollEventArgs (ScrollEventType.SmallIncrement, value));
+					OnUIAValueChanged (new ScrollEventArgs (ScrollEventType.SmallIncrement, value, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll)));
 				}
 			}
 		}
@@ -768,18 +768,18 @@ namespace System.Windows.Forms
 			ScrollEventArgs event_args;
     			int pos = Math.Min (MaximumAllowed, position + large_change);
 
-    			event_args = new ScrollEventArgs (ScrollEventType.LargeIncrement, pos);
+			event_args = new ScrollEventArgs (ScrollEventType.LargeIncrement, pos, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll));
     			OnScroll (event_args);
 			Value = event_args.NewValue;
 
-			event_args = new ScrollEventArgs (ScrollEventType.EndScroll, Value);
+			event_args = new ScrollEventArgs (ScrollEventType.EndScroll, Value, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll));
 			OnScroll (event_args);
     			Value = event_args.NewValue;
 		
 			// UIA Framework event invoked when the "LargeIncrement 
 			// Button" is "clicked" either by using the Invoke Pattern
 			// or the space between the thumb and the bottom/right button
-			OnUIAScroll (new ScrollEventArgs (ScrollEventType.LargeIncrement, Value));
+			OnUIAScroll (new ScrollEventArgs (ScrollEventType.LargeIncrement, Value, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll)));
     		}
 
     		private void LargeDecrement ()
@@ -787,18 +787,18 @@ namespace System.Windows.Forms
 			ScrollEventArgs event_args;
     			int pos = Math.Max (Minimum, position - large_change);
 
-    			event_args = new ScrollEventArgs (ScrollEventType.LargeDecrement, pos);
+			event_args = new ScrollEventArgs (ScrollEventType.LargeDecrement, pos, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll));
     			OnScroll (event_args);
     			Value = event_args.NewValue;
 
-			event_args = new ScrollEventArgs (ScrollEventType.EndScroll, Value);
+			event_args = new ScrollEventArgs (ScrollEventType.EndScroll, Value, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll));
 			OnScroll (event_args);
     			Value = event_args.NewValue;
     			
 			// UIA Framework event invoked when the "LargeDecrement 
 			// Button" is "clicked" either by using the Invoke Pattern
 			// or the space between the thumb and the top/left button
-			OnUIAScroll (new ScrollEventArgs (ScrollEventType.LargeDecrement, Value));
+			OnUIAScroll (new ScrollEventArgs (ScrollEventType.LargeDecrement, Value, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll)));
     		}
 
     		private void OnResizeSB (Object o, EventArgs e)
@@ -1033,7 +1033,7 @@ namespace System.Windows.Forms
 
 						MoveThumb (thumb_rect, thumb_pos.Y);
 
-						OnScroll (new ScrollEventArgs (ScrollEventType.ThumbTrack, position));
+						OnScroll (new ScrollEventArgs (ScrollEventType.ThumbTrack, position, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll)));
 					}
 					SendWMScroll(ScrollBarCommands.SB_THUMBTRACK);
 				} else {
@@ -1051,7 +1051,7 @@ namespace System.Windows.Forms
 
 						MoveThumb (thumb_rect, thumb_pos.X);
 
-						OnScroll (new ScrollEventArgs (ScrollEventType.ThumbTrack, position));
+						OnScroll (new ScrollEventArgs (ScrollEventType.ThumbTrack, position, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll)));
 					}
 					SendWMScroll(ScrollBarCommands.SB_THUMBTRACK);
 				}
@@ -1183,8 +1183,8 @@ namespace System.Windows.Forms
 				Dirty (second_arrow_area);
 				secondbutton_pressed = false;
 			} else if (thumb_pressed == true) {
-				OnScroll (new ScrollEventArgs (ScrollEventType.ThumbPosition, position));
-				OnScroll (new ScrollEventArgs (ScrollEventType.EndScroll, position));
+				OnScroll (new ScrollEventArgs (ScrollEventType.ThumbPosition, position, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll)));
+				OnScroll (new ScrollEventArgs (ScrollEventType.EndScroll, position, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll)));
 				SendWMScroll(ScrollBarCommands.SB_THUMBPOSITION);
 				ThumbPressed = false;
 				return;
@@ -1254,11 +1254,11 @@ namespace System.Windows.Forms
 			ScrollEventArgs event_args;
     			int pos = MaximumAllowed;
 
-    			event_args = new ScrollEventArgs (ScrollEventType.Last, pos);
+			event_args = new ScrollEventArgs (ScrollEventType.Last, pos, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll));
     			OnScroll (event_args);
     			pos = event_args.NewValue;
 
-			event_args = new ScrollEventArgs (ScrollEventType.EndScroll, pos);
+			event_args = new ScrollEventArgs (ScrollEventType.EndScroll, pos, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll));
 			OnScroll (event_args);
     			pos = event_args.NewValue;
 
@@ -1270,11 +1270,11 @@ namespace System.Windows.Forms
 			ScrollEventArgs event_args;
     			int pos = Minimum;
 
-    			event_args = new ScrollEventArgs (ScrollEventType.First, pos);
+			event_args = new ScrollEventArgs (ScrollEventType.First, pos, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll));
     			OnScroll (event_args);
     			pos = event_args.NewValue;
 
-			event_args = new ScrollEventArgs (ScrollEventType.EndScroll, pos);
+			event_args = new ScrollEventArgs (ScrollEventType.EndScroll, pos, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll));
 			OnScroll (event_args);
 			pos = event_args.NewValue;
 
@@ -1286,18 +1286,18 @@ namespace System.Windows.Forms
     			ScrollEventArgs event_args;
     			int pos = Math.Min (MaximumAllowed, position + SmallChange);
 
-    			event_args = new ScrollEventArgs (ScrollEventType.SmallIncrement, pos);
+			event_args = new ScrollEventArgs (ScrollEventType.SmallIncrement, pos, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll));
     			OnScroll (event_args);
     			Value = event_args.NewValue;
 
-			event_args = new ScrollEventArgs (ScrollEventType.EndScroll, Value);
+			event_args = new ScrollEventArgs (ScrollEventType.EndScroll, Value, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll));
 			OnScroll (event_args);
 			Value = event_args.NewValue;
 			
 			// UIA Framework event invoked when the "SmallIncrement 
 			// Button" (a.k.a bottom/right button) is "clicked" either
 			// by using the Invoke Pattern or the button itself
-			OnUIAScroll (new ScrollEventArgs (ScrollEventType.SmallIncrement, Value));
+			OnUIAScroll (new ScrollEventArgs (ScrollEventType.SmallIncrement, Value, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll)));
     		}
 
     		private void SmallDecrement ()
@@ -1305,18 +1305,18 @@ namespace System.Windows.Forms
 			ScrollEventArgs event_args;
     			int pos = Math.Max (Minimum, position - SmallChange);
 
-    			event_args = new ScrollEventArgs (ScrollEventType.SmallDecrement, pos);
+			event_args = new ScrollEventArgs (ScrollEventType.SmallDecrement, pos, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll));
     			OnScroll (event_args);
     			Value = event_args.NewValue;
 
-			event_args = new ScrollEventArgs (ScrollEventType.EndScroll, Value);
+			event_args = new ScrollEventArgs (ScrollEventType.EndScroll, Value, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll));
 			OnScroll (event_args);
 			Value = event_args.NewValue;
 			
 			// UIA Framework event invoked when the "SmallDecrement 
 			// Button" (a.k.a top/left button) is "clicked" either
 			// by using the Invoke Pattern or the button itself
-			OnUIAScroll (new ScrollEventArgs (ScrollEventType.SmallDecrement, Value));
+			OnUIAScroll (new ScrollEventArgs (ScrollEventType.SmallDecrement, Value, (vert ? ScrollOrientation.VerticalScroll : ScrollOrientation.HorizontalScroll)));
     		}
 
     		private void SetHoldButtonClickTimer ()

mcs/class/System.Windows.Forms/System.Windows.Forms/ScrollableControl.cs

@@ -837,10 +837,10 @@ namespace System.Windows.Forms {
 			*/
 
 			if (!vscrollbar.Visible) {
-				vscrollbar.Value = 0;
+				vscrollbar.Value = vscrollbar.Minimum;
 			}
 			if (!hscrollbar.Visible) {
-				hscrollbar.Value = 0;
+				hscrollbar.Value = hscrollbar.Minimum;
 			}
 
 			/* Manually setting the size of the thumb should be done before

mcs/class/System.Windows.Forms/System.Windows.Forms/TabControl.cs

@@ -1306,13 +1306,13 @@ namespace System.Windows.Forms {
 			
 			if (widthOnly) {
 				page.TabBounds = new Rectangle (xpos, 0, width, 0);
-				page.Row = row_count;
 				if (xpos + width > row_width && multiline) {
 					xpos = 0;
 					row_count++;
 				} else if (xpos + width > row_width) {
 					show_slider = true;	
 				}
+				page.Row = row_count;
 				if (i == selected_index && show_slider) {
 					for (int j = i-1; j >= 0; j--) {
 						if (TabPages [j].TabBounds.Left < xpos + width - row_width) {
@@ -1715,31 +1715,32 @@ namespace System.Windows.Forms {
 
 			public override void Remove (Control value)
 			{
-				bool change_index = false;
+				bool invalid_selected_index = false;
 				
 				TabPage page = value as TabPage;
+				int next_selected_index = -1;
 				if (page != null && owner.Controls.Contains (page)) {
 					int index = owner.IndexForTabPage (page);
-					if (index < owner.SelectedIndex || owner.SelectedIndex == Count - 1)
-						change_index = true;
+
+					if (owner.SelectedIndex < index || owner.SelectedIndex == 0)
+						next_selected_index = owner.SelectedIndex;
+					else
+						next_selected_index = owner.SelectedIndex - 1;
+
+					owner.selected_index = -1; // Invalidate internal selected Index
+					invalid_selected_index = true;
 				}
-				
+
 				base.Remove (value);
-				
+
 				// We don't want to raise SelectedIndexChanged until after we
 				// have removed from the collection, so TabCount will be
 				// correct for the user.
-				if (change_index && Count > 0) {
-					// Clear the selected index internally, to avoid trying to access the previous
-					// selected tab when setting the new one - this is what .net seems to do
-					int prev_selected_index = owner.SelectedIndex;
-					owner.selected_index = -1;
-
-					owner.SelectedIndex = --prev_selected_index;
-					owner.Invalidate ();
-				} else if (change_index) {
-					owner.selected_index = -1;
-					owner.OnSelectedIndexChanged (EventArgs.Empty);
+				if (invalid_selected_index) {
+					if (Count > 0)
+						owner.SelectedIndex = next_selected_index;
+					else // Count == 0
+						owner.OnSelectedIndexChanged (EventArgs.Empty);
 					owner.Invalidate ();
 				} else
 					owner.Redraw ();

mcs/class/System.Windows.Forms/System.Windows.Forms/Theme.cs

@@ -191,7 +191,7 @@ namespace System.Windows.Forms
 		protected Color defaultWindowBackColor;
 		protected Color defaultWindowForeColor;
 		internal SystemResPool ResPool = new SystemResPool ();
-		private MethodInfo update;
+		private int[] knownColorTable;
 
 		protected Theme ()
 		{
@@ -199,13 +199,23 @@ namespace System.Windows.Forms
 
 		private void SetSystemColors (KnownColor kc, Color value)
 		{
-			if (update == null) {
-				Type known_colors = Type.GetType ("System.Drawing.KnownColors, " + Consts.AssemblySystem_Drawing);
-				if (known_colors != null)
-					update = known_colors.GetMethod ("Update", BindingFlags.Static | BindingFlags.Public);
+			if (knownColorTable == null) {
+				Type knownColorTableClass = Type.GetType ("System.Drawing.KnownColorTable, " + Consts.AssemblySystem_Drawing);
+				if (knownColorTableClass != null)
+				{
+					MethodInfo ensureMethod = knownColorTableClass.GetMethod ("EnsureColorTable", BindingFlags.Static | BindingFlags.NonPublic);
+					if (ensureMethod != null) {
+						ensureMethod.Invoke(null, new object[]{});
+						FieldInfo colorTableField = knownColorTableClass.GetField ("s_colorTable", BindingFlags.Static | BindingFlags.NonPublic);
+						if (colorTableField != null) {
+							knownColorTable = colorTableField.GetValue (null) as int[];
+						}
+					}
+				}
+			}
+			if (knownColorTable != null) {
+				knownColorTable[(int)kc] = value.ToArgb();
 			}
-			if (update != null)
-				update.Invoke (null, new object [2] { (int)kc, value.ToArgb () });
 		}
 
 		/* OS Feature support */