CgwMonitorManage.Tiandy.TiandyVideoMonitor.GetRefreshStatus C# (CSharp) Method

        public SmcErr GetRefreshStatus(out SmcErr refreshStatus)
        {
            NLogEx.LoggerEx logEx = new NLogEx.LoggerEx(log);
            logEx.Trace("Enter: TiandyVideoMonitor.GetRefreshStatus");
            SmcErr err = new CgwError();
            refreshStatus = new SmcErr();
            refreshStatus.ErrNo = CgwError.ERR_DEVICE_LIST_REFRESH_STATUS_END;

            if (refreshMonitorCameraOperateLock.TryEnterWriteLock(CgwConst.EFRESH_MONITOR_CAMERA_WAIT_TIME))
            {
                try
                {
                    refreshStatus.ErrNo = isRefreshSucess ? CgwError.ERR_DEVICE_LIST_REFRESH_STATUS_END : CgwError.ERR_DEVICE_LIST_REFRESH_STATUS_FAILED;
                }
                finally
                {
                    refreshMonitorCameraOperateLock.ExitWriteLock();
                }
            }
            else
            {
                refreshStatus.ErrNo = CgwError.ERR_DEVICE_LIST_REFRESH_STATUS_EXECUTING;
            }
            logEx.Info("GetRefreshStatus success.");
            return err;
        }