Get status of decoding devices.
BOOL NET_DVR_MatrixGetDeviceStatus_V41( LONG lUserID, LPNET_DVR_DECODER_WORK_STATUS_V41 lpDecoderCfg )
[IN] User ID, which is returned by NET_DVR_Login_V40.
[OUT] Device status parameters, see details in NET_DVR_DECODER_WORK_STATUS_V41.
Return TRUE for success and FALSE for failure. If FALSE is returned, you can call NET_DVR_GetLastError to get the error code.