IltmmPlay::get_MidiRenderers Example for C

// This function deselects all MIDI renderers from
// the specified play object. 
void DisplayMidiRenderers(IltmmPlay *pPlay) 
{
   IltmmRenderers *pRenderers = NULL; 
   IltmmRenderer *pRenderer = NULL; 
   long lCount; 
   int i; 

   HRESULT hr = IltmmPlay__get_MidiRenderers(pPlay, &pRenderers); 
   if(FAILED(hr) || pRenderers == NULL) 
      return; 

   IltmmRenderers__get_Count(pRenderers, &lCount); 

   for(i=0; i<lCount; i++)
   {
      IltmmRenderers_Item(pRenderers, i, &pRenderer); 
      IltmmRenderer__put_Selected(pRenderer, VARIANT_FALSE); 
      IltmmRenderer_Release(pRenderer); 
   }

   IltmmRenderers_Release(pRenderers); 
}