CgwMonitorManage.VideoMonitor.VideoMonitorManage.SetDataCallBackFunc C# (CSharp) Method

        public void SetDataCallBackFunc(DataCallBack dataCallBack)
        {
            NLogEx.LoggerEx logEx = new NLogEx.LoggerEx(log);
            logEx.Trace("Enter: VideoMonitorManage.SetVideoDataCallBackFunc({0})", dataCallBack);
            //向上回调，平台管理接到码流后，对摄像头编号加上平台标识，再执行回调转发码流
            this.dataCallBack = dataCallBack;

            //向下注册回调，在该回调函数VideoDataCallBackFunc内要先对摄像头编号加上平台标识
            DataCallBack callBack = this.DataCallBackFunc;

            if (this.monitorsOperateLock.TryEnterReadLock(CgwConst.ENTER_LOCK_WAIT_TIME))
            {
                try
                {
                    foreach (KeyValuePair<string, IVideoMonitor> monitor in monitorsDictionary)
                    {
                        IVideoMonitor videoMonitor = monitor.Value;
                        videoMonitor.SetDataCallBackFunc(callBack, monitor.Key);
                    }
                }
                catch (Exception e)
                {
                    logEx.Error("Set VideoDataCallBackFunc failed.Execption message:{0}", e.Message);
                }
                finally
                {
                    this.monitorsOperateLock.ExitReadLock();
                }
            }
            logEx.Trace("Set VideoDataCallBackFunc success.");
        }