flip scrollbar WPF

Question

Hi I am building a control that shows a ruler from 0 to a maximum. The 0 value is at the bottom and the maximum is in a higher y then the 0(The maximum is not visible until we s

Answer 1

How about using a value converter to negate your Minimum, Maximum and Value properties. That way the scrollbar will act as though you flipped it.

code:

class NegativeValueConverter : IValueConverter
{
  object Convert(object value, ...)
  {
    return -System.Convert.ToDouble(value);
  }

  object ConvertBack(object value, ...)
  {
    return -System.Convert.ToDouble(value);
  }
}

xaml: