IltmfConvert::get_SourceAudioType Example for C++

void GetConvertSourceAudioType(IltmfConvert *pConvert)
{
   CString strAudioType;
   BSTR bstr = NULL;
   // get the source audio type name
   pConvert->get_SourceAudioType(&bstr);
   // format display string
   strAudioType.Format(TEXT("Source audio type GUID is %s"), bstr);
   
   // display the source audio type
   MessageBox(NULL, strAudioType, TEXT("Source Audio Type"), MB_OK);
   // free the bstr
   SysFreeString(bstr);
}