private List <float> GetAllowableResolutions()
{
var resolutionsVector = _twain32.GetResolutions();
if (resolutionsVector == null)
{
return(null);
}
var allowableResolutions = new List <float>();
foreach (var resolution in resolutionsVector.Items)
{
allowableResolutions.Add((float)resolution);
}
return(allowableResolutions);
}