Stop listening (supports multiple threads).
BOOL NET_DVR_StopListen_V30( LONG lListenHandle );
Listening handle, which is returned by NET_DVR_StartListen_V30.
Return TRUE for success, and return FALSE for failure.
If FALSE is returned, you can call NET_DVR_GetLastError to get the error code.
The available error codes of this API are 0, 3, 12, and 17. See details in the Device Network SDK Errors.