IltmmTVTuner::SetChannel Example for C

IltmmTVTuner* pTuner; 
HRESULT hr = IltmmCapture__get_TVTuner(m_capture, &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);
}