using System.Windows.Data; namespace OpenEarth.EnhancedListBoxes { public class LineHeightConverter : IValueConverter { public object Convert(object value, System.Type targetType, object parameter, System.Globalization.CultureInfo culture) { double dbl; if (double.TryParse(value.ToString(), out dbl)) { return dbl + 5; } return value; } public object ConvertBack(object value, System.Type targetType, object parameter, System.Globalization.CultureInfo culture) { return null; } } }