1057         refresh_rect = None

  1057         if self.IsShown():

  1058         self.ElementRefreshList_lock.acquire()

  1058             refresh_rect = None

  1059         for element in self.ElementRefreshList:

  1059             self.ElementRefreshList_lock.acquire()

  1060             if refresh_rect is None:

  1060             for element in self.ElementRefreshList:

  1061                 refresh_rect = element.GetRedrawRect()

  1061                 if refresh_rect is None:

  1062             else:

  1062                     refresh_rect = element.GetRedrawRect()

  1063                 refresh_rect.Union(element.GetRedrawRect())

  1063                 else:

  1064         self.ElementRefreshList = []

  1064                     refresh_rect.Union(element.GetRedrawRect())

  1065         self.ElementRefreshList_lock.release()

  1065             self.ElementRefreshList = []

  1066         

  1066             self.ElementRefreshList_lock.release()

  1067         if refresh_rect is not None:

  1067             

  1068             self.RefreshRect(self.GetScrolledRect(refresh_rect), False)

  1068             if refresh_rect is not None:

  1069     

  1069                 self.RefreshRect(self.GetScrolledRect(refresh_rect), False)

  1070