public static NSRange NSUnionRange(NSRange range1, NSRange range2)
{
uint max1 = NSMaxRange(range1);
uint max2 = NSMaxRange(range1);
uint max = (max1 > max2) ? max1 : max2;
uint location = (range1.location < range2.location) ? range1.location : range2.location;
return new NSRange(location, max - location);
}
}