/// <summary>
        /// 判断是否选中图形(越界线或闯入\闯出区)
        /// </summary>
        /// <param name="lVodHandle">播放标示句柄</param>
        /// <param name="tPt">窗口坐标</param>
        /// <returns>返回TRUE表示已经选中图形,返回FALSE表示没有选中</returns>
        public bool IsPlayHitGraph(Int32 lVodHandle, System.Drawing.Point point)
        {
            MyLog4Net.ILogExtension.DebugWithDebugView(MyLog4Net.Container.Instance.Log, string.Format("IVXSDKProtocol VdaSdk_IsPlayHitGraph lVodHandle:{0},x:{1},y:{2}"
                                                                                                       , lVodHandle
                                                                                                       , point.X
                                                                                                       , point.Y
                                                                                                       ));
            TVDASDK_WINDOW_POINT tPt = new TVDASDK_WINDOW_POINT()
            {
                dwX = (uint)point.X, dwY = (uint)point.Y
            };
            bool retVal = IVXSDKProtocol.VdaSdk_IsPlayHitGraph(lVodHandle, tPt);

            MyLog4Net.ILogExtension.DebugWithDebugView(MyLog4Net.Container.Instance.Log, string.Format("IVXSDKProtocol VdaSdk_IsPlayHitGraph ret:{0}"
                                                                                                       , retVal
                                                                                                       ));
            return(retVal);
        }
 public static extern bool VdaSdk_IsPlayHitGraph(Int32 lVodHandle, TVDASDK_WINDOW_POINT tPt);