LTwain::IsAvailable

L_INT LTwain__IsAvailableExample(HWND hWnd, HBITMAPLIST hBitmap) 
 
{ 
   L_BOOL            bAvailable; 
   L_INT             nRet; 
   LTwain            MyClass; 
   APPLICATIONDATA   AppData; 
 
   /* Check to see if TWAIN is installed */ 
 
   bAvailable = MyClass.IsAvailable(); 
 
   if (bAvailable) 
 
   { 
 
      AppData.hWnd = hWnd;  
 
      AppData.uStructSize = sizeof(APPLICATIONDATA); 
 
      lstrcpy (AppData.szManufacturerName, TEXT("LEAD Technologies, Inc."));  
      lstrcpy (AppData.szAppProductFamily, TEXT("LEAD Test Applications")); 
      lstrcpy (AppData.szVersionInfo, TEXT("Version 1.0")); 
      lstrcpy (AppData.szAppName, TEXT("TWAIN Test Application")); 
      AppData.uLanguage = TWLG_ENGLISH_USA; 
      AppData.uCountry = TWCY_USA; 
      nRet = MyClass.InitSession(&AppData);  
 
      if (nRet != SUCCESS)  
 
         return nRet; 
 
      nRet = MyClass.AcquireList(hBitmap, NULL, LTWAIN_SHOW_USER_INTERFACE); 
      if(nRet != SUCCESS) 
         return nRet; 
 
      nRet = MyClass.EndSession(); 
      if(nRet != SUCCESS) 
         return nRet; 
 
   } 
 
   return SUCCESS; 
}