Image Frame Options Example for C++ 5.0 and later

ILEADRasterTwain_U * pRasterTwain;

HRESULT hr = ::CoCreateInstance(CLSID_LEADRasterTwain_U, NULL, CLSCTX_ALL, IID_ILEADRasterTwain_U, (void **)&pRasterTwain);
if (FAILED(hr) || !pRasterTwain)
{
	::MessageBox (NULL, _TEXT("Failed to create a Raster Twain Object"), _TEXT("Error"), MB_OK);
	return;
}

pRasterTwain->InitSession((long)GetSafeHwnd()); 
pRasterTwain->SelectSource();

short nUnit, nBPP;

pRasterTwain->get_ImageUnit (&nUnit);
pRasterTwain->get_ImageBitsPerPixel (&nBPP);

if (nUnit != L_TWUN_INCHES)
	pRasterTwain->put_ImageUnit (L_TWUN_INCHES);

if (nBPP != 24)
	pRasterTwain->put_ImageBitsPerPixel (24);