IltmmConvert::get_SourceAudioType Example for C

LPTSTR OLE2T(LPCOLESTR lpw)
{
   static TCHAR lpt[512];

   if(!lpw)
      return NULL;

   lpt[0] = _T('\0');

   WideCharToMultiByte(CP_ACP, 0, lpw, -1, lpt, 512, NULL, NULL);
   return lpt;
}

void IltmmConvert_get_SourceAudioType_Example (IltmmConvert* pConvert)
{
   char szAudioType[256];
   BSTR bstr;

   IltmmConvert_get_SourceAudioType(pConvert, &bstr);

   strcpy(szAudioType, "Source audio type GUID is ");

   strcat(szAudioType, OLE2T(bstr));

   MessageBox(NULL, szAudioType, NULL, MB_OK);

   SysFreeString(bstr);
}