Get the status of persistent connection.
BOOL NET_DVR_GetRemoteConfigState( LONG lHandle, void *pState );
[IN] Handle, which is returned by NET_DVR_StartRemoteConfig.
[OUT] A 4-byte status value, the returned statuses are different according to different remote configuration commands
Returns TRUE for success, and returns FALSE for failure.
If FALSE is returned, you can call NET_DVR_GetLastError to get the error code.