IltmmTVTuner::SetChannel Example for C++

void SetCaptureTVTunerChannel(IltmmCapture *pCapture) 
{ 
   IltmmTVTuner* pTuner; 
 
   // get the tuner object 
   HRESULT hr = pCapture->get_TVTuner(&pTuner); 
   if(SUCCEEDED(hr) && pTuner != NULL) 
   { 
      long channel, lVideoFrequency, lAudioFrequency; 
       
      // try to get the tuner channel 
      hr = pTuner->get_Channel(&channel); 
      if(SUCCEEDED(hr)) 
      { 
         // set the tuner channel with default subchannels 
         pTuner->SetChannel(channel, ltmmTUNER_SUBCHAN_DEFAULT,ltmmTUNER_SUBCHAN_DEFAULT); 
 
         // get the tuner subchannels 
         pTuner->get_VideoFrequency(&lVideoFrequency); 
         pTuner->get_AudioFrequency(&lAudioFrequency); 
      } 
 
      // release the tuner object 
      pTuner->Release(); 
   } 
} 
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