IltmmCapture::get_UsingDVDecoder Example for C++
VARIANT_BOOL bUsingDV;
ltmmCaptureCtrl1->get_UsingDVDecoder(&bUsingDV);
if(bUsingDV)
{
// you are using DV decoder. Tell the DV decoder to decode
// to the biggest resolution so we get the full preview
ltmmCaptureCtrl1->put_DVDecoderResolution(ltmmDVResolution_Full);
}