using System; using System.Globalization; using System.Windows.Data; using System.Windows.Markup; namespace AIStudio.Wpf.DiagramDesigner { public class InvertBoolConverter : MarkupExtension, IValueConverter { /// /// Returns the value for the target property of this markup extension. /// /// Object that can provide services for the markup extension. /// Reference to the instance of this Int32IndexToNumberConverter. public override object ProvideValue(IServiceProvider serviceProvider) { return this; } public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { return !(bool)value; } public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) { return !(bool)value; } } }