Change border brush for Panels to DimGray

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/wpfdesigner@5872 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

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

@@ -28,7 +28,7 @@ namespace ICSharpCode.WpfDesign.Designer.Extensions
 			var adornerPanel = new AdornerPanel();
 			var border = new Border();
 			border.BorderThickness = new Thickness(1);
-			border.BorderBrush = Brushes.WhiteSmoke;
+			border.BorderBrush = Brushes.DimGray;
 			border.IsHitTestVisible = false;
 			AdornerPanel.SetPlacement(border, AdornerPlacement.FillContent);
 			adornerPanel.Children.Add(border);