//File:Window.xaml.cs using System; using System.Globalization; using System.Windows; using System.Windows.Data; namespace MyNameSpace.DecimalScrollBar { [ValueConversion(typeof(double), typeof(decimal))] public class DoubleToDecimalConverter : IValueConverter { public object Convert(object value, Type typeTarget,object param, CultureInfo culture) { decimal num = new Decimal((double)value); if (param != null) num = Decimal.Round(num, Int32.Parse(param as string)); return num; } public object ConvertBack(object value, Type typeTarget, object param, CultureInfo culture) { return Decimal.ToDouble((decimal)value); } } }