public void DisposeEventBridge()
        {
            if (null != _itemEvents_SinkHelper)
            {
                _itemEvents_SinkHelper.Dispose();
                _itemEvents_SinkHelper = null;
            }
            if (null != _itemEvents_10_SinkHelper)
            {
                _itemEvents_10_SinkHelper.Dispose();
                _itemEvents_10_SinkHelper = null;
            }

            _connectPoint = null;
        }