IltmmPlay::ToggleCloseCaptioning Example for C

VARIANT_BOOL vrtClose; 

IltmmPlay__put_CloseCaptioning(g_player, VARIANT_FALSE); 
IltmmPlay_ToggleCloseCaptioning(g_player); 
IltmmPlay__get_CloseCaptioning(g_player, &vrtClose); 
  if (vrtClose == VARIANT_TRUE) 
            MessageBox(hwnd, "Close captioning rendering is enabled", NULL, MB_OK); 
  else
            MessageBox(hwnd, "Close captioning rendering is disabled", NULL, MB_OK);

L_MULTIMEDIATEX_API void IltmmPlay_ToggleCloseCaptioning_Example (IltmmPlay* pPlay)
{
   VARIANT_BOOL vrtClose; 


   IltmmPlay_put_CloseCaptioning(pPlay, VARIANT_FALSE); 

   IltmmPlay_ToggleCloseCaptioning(pPlay); 

   IltmmPlay_get_CloseCaptioning(pPlay, &vrtClose); 

   if (vrtClose == VARIANT_TRUE) 
   {
      MessageBox(NULL, "Close captioning rendering is enabled", NULL, MB_OK); 
   }
   else
   {
      MessageBox(NULL, "Close captioning rendering is disabled", NULL, MB_OK);
   }
}