using System; using System.Windows.Data; namespace MSFSPopoutPanelManager.MainApp { public class InverseBooleanOrConverter : IMultiValueConverter { public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture) { if (values.LongLength > 0) { foreach (var value in values) { if (value is bool && (bool)value) { return false; } } } return true; } public object[] ConvertBack(object value, Type[] targetTypes, object parameter, System.Globalization.CultureInfo culture) { return new object[] { false }; } } }