Performance tweak - call Application.DoEvents() before refreshing local variables pad.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@2904 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Misc/Debugger/Debugger.AddIn/Project/Src/Pads/LocalVarPad.cs

@@ -223,13 +223,13 @@ namespace ICSharpCode.SharpDevelop.Gui.Pads
 		
 		public override void RefreshPad()
 		{
-			Debugger.AddIn.TreeModel.Util.ResetDoEventsStartTime();
+			Debugger.AddIn.TreeModel.Util.ForceDoEvents();
 			DateTime start = Debugger.Util.HighPrecisionTimer.Now;
 			try {
 				if (debuggedProcess != null && debuggedProcess.SelectedStackFrame != null) {
 					TreeViewNode.SetContentRecursive(this, localVarList.Root.Children, new StackFrameNode(debuggedProcess.SelectedStackFrame).ChildNodes);
 				} else {
-					TreeViewNode.SetContentRecursive(this, localVarList.Root.Children, null);
+					//TreeViewNode.SetContentRecursive(this, localVarList.Root.Children, null);
 				}
 			} catch(AbortedBecauseDebugeeStateExpiredException) {
 				LoggingService.Info("Aborted variable refresh because debugee state expired");

src/AddIns/Misc/Debugger/Debugger.AddIn/Project/Src/TreeModel/Util.cs

@@ -20,13 +20,19 @@ namespace Debugger.AddIn.TreeModel
 		static DateTime nextDoEventsTime = Debugger.Util.HighPrecisionTimer.Now;
 		const double workLoad    = 0.75; // Fraction of getting variables vs. repainting
 		const double maxFPS      = 30;   // this prevents too much drawing on good machine
-		const double maxWorkTime = 250;  // ms  this ensures minimal response on bad machine
+		const double maxWorkTime = 150;  // ms  this ensures minimal response on bad machine
 		
 		public static void ResetDoEventsStartTime()
 		{
 			nextDoEventsTime = Debugger.Util.HighPrecisionTimer.Now.AddMilliseconds(1000 / maxFPS);
 		}
 		
+		public static void ForceDoEvents()
+		{
+			nextDoEventsTime = DateTime.MinValue;
+			DoEvents();
+		}
+		
 		public static void DoEvents()
 		{
 			if (Debugger.Util.HighPrecisionTimer.Now > nextDoEventsTime) {