using System; using System.Globalization; using System.Windows; using System.Windows.Data; namespace HandyControl.Tools.Converter; public class Boolean2VisibilityReConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { return value != null && (bool) value ? Visibility.Collapsed : Visibility.Visible; } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { throw new NotSupportedException(); } }