775                 self.ProcessVariablesTable.ResetView(self.ProcessVariablesGrid)

   775                 self.ProcessVariablesTable.ResetView(self.ProcessVariablesGrid)

   776             return new_row

   776             return new_row

   777         setattr(self.ProcessVariablesGrid, "_MoveRow", _MoveVariablesElement)

   777         setattr(self.ProcessVariablesGrid, "_MoveRow", _MoveVariablesElement)

   778 

   778 

   779         _refresh_buttons = getattr(self.ProcessVariablesGrid, "RefreshButtons")

   779         _refresh_buttons = getattr(self.ProcessVariablesGrid, "RefreshButtons")

   780         def _RefreshButtons():

   781         def _RefreshButtons():

   781             if self.NodesFilter.GetSelection() == 0:

   782             if self.NodesFilter.GetSelection() == 0:

   782                 _refresh_buttons()

   783                 _refresh_buttons()

   783             else:

   784             else:

   784                 self.AddVariableButton.Enable(False)

   785                 self.AddVariableButton.Enable(False)