StartUp Example for C++ 5.0 and later

void CSample_COMDlg::OnButton1() 
{
   ILEADRasterDocument * pRasterDoc = NULL; 
   ILEADRaster * pRaster = NULL; 

   HRESULT hr = CoCreateInstance(CLSID_LEADRasterDocument, NULL, CLSCTX_ALL, IID_ILEADRasterDocument, (void**)&pRasterDoc); 
   if (FAILED(hr)) 
   {
      AfxMessageBox(TEXT("Can't instantiate the OCR COM Object...")); 
      return; 
   }

   hr = CoCreateInstance(CLSID_LEADRaster, NULL, CLSCTX_ALL, IID_ILEADRaster, (void**)&pRaster); 
   if (FAILED(hr)) 
   {
      AfxMessageBox(TEXT("Can't instantiate the Main LEAD Raster Object...")); 
      pRaster->Release();
      return; 
   }

   // Unlock OCR support. 
   // Note that this is a sample key, which will not work in your toolkit. 
   pRaster->UnlockSupport(L_SUPPORT_OCR, "TestKey");

   int nRet = pRasterDoc->StartUp ();
   if (nRet == 0) 
   {
      pRasterDoc->EnableMethodErrors = FALSE; 
      pRasterDoc->LoadSettingsFile ("c:\\OCRsetting.set");

      FILL_METHOD fm = pRasterDoc->PageFillMethod; 
      if (fm != FM_HANDPRINT) 
         pRasterDoc->PageFillMethod = FM_HANDPRINT; 

      nRet = pRasterDoc->SaveSettingsFile ("c:\\OCRsetting.set");
      if (nRet == 0) 
         AfxMessageBox(TEXT("The engine saved the updated settings to a file."));
      else
         AfxMessageBox(TEXT("The engine couldn't save the updated settings to a file."));

      pRasterDoc->ShutDown ();
   }

   pRasterDoc->Release();
   pRaster->Release();
}