diff -r 7cadc624cc74 -r 996515c4b394 Viewer.py
--- a/Viewer.py	Wed Sep 05 12:38:41 2012 +0200
+++ b/Viewer.py	Wed Sep 05 12:39:50 2012 +0200
@@ -207,6 +207,7 @@
         self.ParentWindow = parent
     
     def OnDropText(self, x, y, data):
+        self.ParentWindow.Select()
         tagname = self.ParentWindow.GetTagName()
         pou_name, pou_type = self.ParentWindow.Controler.GetEditedElementType(tagname, self.ParentWindow.Debug)
         x, y = self.ParentWindow.CalcUnscrolledPosition(x, y)
@@ -272,7 +273,7 @@
                 if pou_type == "program":
                     location = values[0]
                     if not location.startswith("%"):
-                        dialog = wx.SingleChoiceDialog(self.ParentWindow, 
+                        dialog = wx.SingleChoiceDialog(self.ParentWindow.ParentWindow, 
                               _("Select a variable class:"), _("Variable class"), 
                               ["Input", "Output", "Memory"], 
                               wx.DEFAULT_DIALOG_STYLE|wx.OK|wx.CANCEL)
@@ -630,9 +631,12 @@
         self.Editor.Bind(wx.EVT_MOUSEWHEEL, self.OnMouseWheelWindow)
         self.Editor.Bind(wx.EVT_SIZE, self.OnMoveWindow)
         self.Editor.Bind(wx.EVT_MOUSE_EVENTS, self.OnViewerMouseEvent)
-        
+    
+    # Destructor
     def __del__(self):
         DebugViewer.__del__(self)
+        self.Flush()
+        self.ResetView()
         self.RefreshHighlightsTimer.Stop()
     
     def SetCurrentCursor(self, cursor):
@@ -671,13 +675,7 @@
     def GetNewId(self):
         self.current_id += 1
         return self.current_id
-    
-    # Destructor
-    def __del__(self):
-        DebugViewer.__del__(self)
-        self.Flush()
-        self.ResetView()
-    
+        
     def SetScale(self, scale_number, refresh=True, mouse_event=None):
         new_scale = max(0, min(scale_number, len(ZOOM_FACTORS) - 1))
         if self.CurrentScale != new_scale: