bugfix droping inside selection - fixes #178

Author: jogibear9988

ICSharpCode.AvalonEdit/Editing/SelectionMouseHandler.cs

@@ -283,12 +283,12 @@ void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
 
 		void StartDrag()
 		{
-			// prevent nested StartDrag calls
-			mode = MouseSelectionMode.Drag;
-
 			// mouse capture and Drag'n'Drop doesn't mix
 			textArea.ReleaseMouseCapture();
 
+			// prevent nested StartDrag calls
+			mode = MouseSelectionMode.Drag;
+
 			DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
 
 			DragDropEffects allowedEffects = DragDropEffects.All;