void TogglePlayerCloseCaptioning(IltmmPlay *pPlay)
{
VARIANT_BOOL vrtClose;
// turn off closed captioning
pPlay->put_CloseCaptioning(VARIANT_FALSE);
// toggle it now
pPlay->ToggleCloseCaptioning();
// get the current settting and check it.
pPlay->get_CloseCaptioning(&vrtClose);
if (vrtClose == VARIANT_TRUE)
MessageBox(NULL, TEXT("Close captioning rendering is enabled"), TEXT("Toggle Closed Captioning"), MB_OK);
else
MessageBox(NULL, TEXT("Close captioning rendering is disabled"), TEXT("Toggle Closed Captioning"), MB_OK);
}
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