Control remotely.
BOOL NET_DVR_STDControl( LONG lUserID, DWORD dwCommand, LPNET_DVR_STD_CONTROL lpControlParam );
[IN] Value returned by NET_DVR_Login_V40.
[IN] Control commands.
[IN][OUT] Input parameters and output parameters of remote control. The parameters are different according to different control commands, see details in the structure of NET_DVR_STD_CONTROL.
Returns TRUE for success, and returns FALSE for failure.
If FALSE is returned, you can call NET_DVR_GetLastError to get the error code.