public void DisposeEventBridge()
{
if (null != __LineEvents_SinkHelper)
{
__LineEvents_SinkHelper.Dispose();
__LineEvents_SinkHelper = null;
}
if (null != _dispLineEvents_SinkHelper)
{
_dispLineEvents_SinkHelper.Dispose();
_dispLineEvents_SinkHelper = null;
}
_connectPoint = null;
}