void GetCaptureTVTunerAvailableModes(IltmmCapture *pCapture) { IltmmTVTuner* pTuner; // try to get the tuner object HRESULT hr = pCapture->get_TVTuner(&pTuner); if(SUCCEEDED(hr) && pTuner != NULL) { long lAvailableModes, lMode; // get the available modes pTuner->get_AvailableModes(&lAvailableModes); // if TV mode is available, set it if (lAvailableModes & ltmmTUNER_MODE_TV) pTuner->put_Mode(ltmmTUNER_MODE_TV); else pTuner->put_Mode(ltmmTUNER_MODE_DEFAULT); // check the mode here pTuner->get_Mode(&lMode); // release the tuner object pTuner->Release(); } }