using System; using System.Collections.Generic; using System.Globalization; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows; using System.Windows.Controls; using System.Windows.Data; namespace DarkBlendTheme { public class LeftMarginMultiplierConverter : IValueConverter { public double Length { get; set; } public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { var item = value as TreeViewItem; if (item == null) return new Thickness(0); return new Thickness(Length * item.GetDepth(), 0, 0, 0); } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { throw new System.NotImplementedException(); } } }