void IltmmTVTuner_SetChannel_Example (IltmmCapture *pCapture) { IltmmTVTuner* pTuner; HRESULT hr = IltmmCapture_get_TVTuner(pCapture, &pTuner); if(SUCCEEDED(hr) && pTuner != NULL) { long channel, lVideoFrequency, lAudioFrequency; hr = IltmmTVTuner_get_Channel(pTuner, &channel); if(SUCCEEDED(hr)) { IltmmTVTuner_SetChannel(pTuner, channel, ltmmTUNER_SUBCHAN_DEFAULT,ltmmTUNER_SUBCHAN_DEFAULT); IltmmTVTuner_get_VideoFrequency(pTuner, &lVideoFrequency); IltmmTVTuner_get_AudioFrequency(pTuner, &lAudioFrequency); } IltmmTVTuner_Release(pTuner); } }