code: protected void localRelease()
      {
          super.localRelease();
  
          _state.clear();
          _action = null;
          _value = null;
          _text = null;
          _params = null;
          _targetScope = null;
          _popupSupport = null;
          _disableSecondClick = false;
          _renderAsButton = false;
      }
docs: Release any acquired resources.