556         dc.EndDrawing()

   556         dc.EndDrawing()

   557 

   557 

   558         self.MessageScrollBar.RefreshThumbPosition()

   558         self.MessageScrollBar.RefreshThumbPosition()

   559 

   559 

   560     def IsPLCLogEmpty(self):

   560     def IsPLCLogEmpty(self):

   562         for level, prev in zip(xrange(LogLevelsCount), self.previous_log_count):

   562         for level, prev in zip(xrange(LogLevelsCount), self.previous_log_count):

   563             if prev is not None:

   563             if prev is not None:

   565                 break

   565                 break

   566         return empty

   566         return empty

   567 

   567 

   568     def IsMessagePanelTop(self, message_idx=None):

   568     def IsMessagePanelTop(self, message_idx=None):

   569         if message_idx is None:

   569         if message_idx is None: