private Dictionary <int, string> GetAllowablePixelTypes()
{
var pixelTypesVector = _twain32.GetPixelTypes();
if (pixelTypesVector == null)
{
return(null);
}
var allowablePixelTypes = new Dictionary <int, string>();
foreach (var pixelType in pixelTypesVector.Items)
{
var key = (int)(TwPixelType)pixelType;
var value = (GlobalDictionaries.PixelTypes.ContainsKey((TwPixelType)pixelType)
? GlobalDictionaries.PixelTypes[(TwPixelType)pixelType]
: pixelType.ToString());
allowablePixelTypes.Add(key, value);
}
return(allowablePixelTypes);
}