IltmmCapture::get_PreviewingCloseCaption Example for C++

BOOL CanPreviewClosedCaptions(IltmmCapture *pCapture)
{
   VARIANT_BOOL bCC;

   // check the closed captions previewing state 
   pCapture->get_PreviewingCloseCaption(&bCC);
   if (bCC == VARIANT_FALSE)
   {
      //Close captions are not previewing, see if we have CCs
      pCapture->get_CloseCaptionAvailable(&bCC);
   }

   return (bCC == VARIANT_TRUE);
}