Using DragScroll viewer

src/AddIns/Debugger/Debugger.AddIn/Pads/ParallelPad/DrawSurface.xaml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <UserControl
 	x:Class="Debugger.AddIn.Pads.ParallelPad.DrawSurface" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:Debugger.AddIn.Pads.ParallelPad"
+	xmlns:visControls="clr-namespace:Debugger.AddIn.Visualizers.Controls"
 	Background="White">
 	<UserControl.Resources>
 		<LinearGradientBrush
@@ -123,10 +124,9 @@
 				Click="Reset_Click"
 				Template="{StaticResource ButtonTemplate}" />
 		</Canvas>
-		<ScrollViewer
+		
+		<visControls:DragScrollViewer
 			x:Name="drawingSurface"			
-			HorizontalScrollBarVisibility="Auto"
-			VerticalScrollBarVisibility="Auto"
 			Grid.Column="1">
 			<Grid
 				x:Name="ContentControl"
@@ -142,6 +142,6 @@
 					OverlapRemovalConstraint="Automatic"
 					OverlapRemovalAlgorithmType="FSA" />
 			</Grid>
-		</ScrollViewer>
+		</visControls:DragScrollViewer>
 	</Grid>
 </UserControl>

src/AddIns/Debugger/Debugger.AddIn/Pads/ParallelPad/DrawSurface.xaml.cs

@@ -14,7 +14,6 @@ namespace Debugger.AddIn.Pads.ParallelPad
 {
 	public partial class DrawSurface : UserControl
 	{
-		private Point dragStartedPoint;
 		private ScaleTransform zoom = new ScaleTransform();
 		
 		public DrawSurface()
@@ -22,9 +21,6 @@ namespace Debugger.AddIn.Pads.ParallelPad
 			InitializeComponent();
 			
 			ContentControl.LayoutTransform = zoom;
-			
-			this.PreviewMouseLeftButtonDown += DrawSurface_PreviewMouseLeftButtonDown;
-			this.PreviewMouseLeftButtonUp += DrawSurface_MouseLeftButtonUp;
 		}
 		
 		public void SetGraph(ParallelStacksGraph graph)
@@ -47,51 +43,6 @@ namespace Debugger.AddIn.Pads.ParallelPad
 			}
 		}
 		
-		#region Pan
-		
-		void DrawSurface_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
-		{
-			if (e.OriginalSource is TextBlock || e.OriginalSource is Shape || e.OriginalSource is ScrollChrome)
-				return;
-			
-			dragStartedPoint = e.GetPosition(drawingSurface);
-			drawingSurface.CaptureMouse();
-			this.PreviewMouseMove += DrawSurface_PreviewMouseMove;
-			e.Handled = true;
-		}
-
-		void DrawSurface_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
-		{
-			drawingSurface.ReleaseMouseCapture();
-			if (e.OriginalSource is Shape || e.OriginalSource is TextBlock)
-				return;
-			
-			this.PreviewMouseMove -= DrawSurface_PreviewMouseMove;
-			Cursor = Cursors.Arrow;
-		}
-
-		void DrawSurface_PreviewMouseMove(object sender, MouseEventArgs e)
-		{
-			if (e.OriginalSource is TextBlock || e.OriginalSource is Shape || e.OriginalSource is ScrollChrome)
-				return;
-			
-			if (!drawingSurface.IsMouseCaptured) return;
-			
-			if (e.LeftButton == MouseButtonState.Pressed)
-			{
-				Cursor = Cursors.SizeAll;
-				var point = e.GetPosition(drawingSurface);
-				Vector v = point - dragStartedPoint;
-				ContentControl.Margin = new Thickness(
-					ContentControl.Margin.Left + v.X / 80,
-					ContentControl.Margin.Top + v.Y / 80, 0, 0);
-				
-				e.Handled = true;
-			}
-		}
-		
-		#endregion
-		
 		#region Zoom
 		
 		void SliderControl_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)

src/AddIns/Debugger/Debugger.AddIn/Pads/ParallelPad/ParallelStackPad.cs

@@ -75,7 +75,7 @@ namespace ICSharpCode.SharpDevelop.Gui.Pads
 			
 			currentThreadStacks.Clear();
 			
-			using(new PrintTimes("Parallel stack - create stacks refresh")) {
+			using(new PrintTimes("Create stacks")) {
 				try {
 					// create all simple ThreadStacks
 					foreach (Thread thread in debuggedProcess.Threads) {
@@ -94,7 +94,7 @@ namespace ICSharpCode.SharpDevelop.Gui.Pads
 					}
 				}
 			}
-			using(new PrintTimes("Parallel stack - run algorithm")) {
+			using(new PrintTimes("Run algorithm")) {
 				if (isMethodView)
 				{
 					// build method view for threads

src/AddIns/Debugger/Debugger.AddIn/Visualizers/Controls/DragScrollViewer.cs

@@ -19,6 +19,9 @@ namespace Debugger.AddIn.Visualizers.Controls
 
 		public DragScrollViewer() : base()
 		{
+			this.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
+			this.HorizontalScrollBarVisibility = ScrollBarVisibility.Auto;
+			
 			this.PreviewMouseDown += new System.Windows.Input.MouseButtonEventHandler(DragScrollViewer_PreviewMouseDown);
 			this.PreviewMouseMove += new System.Windows.Input.MouseEventHandler(DragScrollViewer_PreviewMouseMove);
 			this.PreviewMouseUp += new System.Windows.Input.MouseButtonEventHandler(DragScrollViewer_PreviewMouseUp);