self.EnableGroup(GROUP_SIZERS, False)
             else:
                 self.EnableGroup(GROUP_SIZERS)
                 if not (xxx.isSizer or xxx.parent and xxx.parent.isSizer):
                     self.EnableGroupItem(GROUP_SIZERS, ID_NEW.SPACER, False)
                 self.EnableGroup(GROUP_SIZERS, False)
             else:
                 self.EnableGroup(GROUP_SIZERS)
                 if not (xxx.isSizer or xxx.parent and xxx.parent.isSizer):
                     self.EnableGroupItem(GROUP_SIZERS, ID_NEW.SPACER, False)