1 //------------------------------------------------------------
2 // Copyright (c) Microsoft Corporation. All rights reserved.
3 //------------------------------------------------------------
5 namespace System.Activities.Presentation
7 using System.Globalization;
8 using System.Windows.Data;
10 //Null To Boolean Converter
11 internal sealed class NullToBooleanConverter : IValueConverter
13 public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
18 public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
20 throw FxTrace.Exception.AsError(new NotSupportedException());