using System; using System.Globalization; using System.Windows; using System.Windows.Data; namespace WPFluent.Converters; [ValueConversion(typeof(bool), typeof(Visibility))] internal sealed class TreeModelCanExpandConverter : IValueConverter { public bool IsInverted { get; set; } = false; public object Convert(object o, Type type, object parameter, CultureInfo culture) { return (bool)o ^ IsInverted ? Visibility.Visible : Visibility.Hidden; } public object ConvertBack(object o, Type type, object parameter, CultureInfo culture) { throw new NotSupportedException(); } }