Bring back ContainerDragHandle and add drag support.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/wpfdesigner@6266 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/DisplayBindings/WpfDesign/WpfDesign.Designer/Project/Extensions/TopLeftContainerDragHandle.cs

@@ -8,15 +8,18 @@
 using System;
 using System.Windows.Controls;
 using System.Windows;
+using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Shapes;
 using ICSharpCode.WpfDesign.Adorners;
 using ICSharpCode.WpfDesign.Extensions;
+
+using ICSharpCode.WpfDesign.Designer.Services;
 using ICSharpCode.WpfDesign.Designer.Controls;
 
 namespace ICSharpCode.WpfDesign.Designer.Extensions
 {
-	/*
+	
 	/// <summary>
 	/// The drag handle displayed for panels.
 	/// </summary>
@@ -29,16 +32,18 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 		{
 			ContainerDragHandle rect = new ContainerDragHandle();
 			
-			rect.PreviewMouseDown += delegate {
+			rect.PreviewMouseDown += delegate(object sender, MouseButtonEventArgs e) {
 				Services.Selection.SetSelectedComponents(new DesignItem[] { this.ExtendedItem }, SelectionTypes.Auto);
+				new DragMoveMouseGesture(this.ExtendedItem, false).Start(this.ExtendedItem.Services.DesignPanel,e);
+				e.Handled=true;                                                  
 			};
 			
 			RelativePlacement p = new RelativePlacement(HorizontalAlignment.Left, VerticalAlignment.Top);
-			p.XOffset = -1;
+			p.XOffset = -7;
-			p.YOffset = -1;
+			p.YOffset = -7;
 			
 			AddAdorner(p, AdornerOrder.Background, rect);
 		}
 	}
-	*/
+	
 }