using System; using System.Windows.Data; using System.Globalization; namespace ComPDFKit.Controls.Common { [ValueConversion(typeof(bool), typeof(bool))] public class ReverseBoolConverter:IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { return value != null && (bool)value != true; } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { if (value is bool b) { return !b; } return value; } } }