Available in the LEADTOOLS Imaging toolkit. |
Duplex 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; } VARIANT_BOOL bEnableDuplex; short nDuplexMode; short nMaxXfer; pRasterTwain->InitSession((long)GetSafeHwnd()); pRasterTwain->SelectSource(); pRasterTwain->get_EnableDuplex (&bEnableDuplex); pRasterTwain->get_DuplexMode (&nDuplexMode); pRasterTwain->get_MaxXferCount (&nMaxXfer); if (bEnableDuplex != TRUE) { pRasterTwain->put_EnableDuplex (TRUE); } if (nMaxXfer != 10) pRasterTwain->put_MaxXferCount (10);