X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fclass%2Freferencesource%2FSystem.Activities.Presentation%2FSystem.Activities.Presentation%2FSystem%2FActivities%2FPresentation%2FNullToBooleanConverter.cs;fp=mcs%2Fclass%2Freferencesource%2FSystem.Activities.Presentation%2FSystem.Activities.Presentation%2FSystem%2FActivities%2FPresentation%2FNullToBooleanConverter.cs;h=eb73c15b56f983ee3040a576b1c38a26e3084d06;hb=332534dedee0e217d5f465a6d6e74c48d03e755a;hp=0000000000000000000000000000000000000000;hpb=287e106a1bb34e92e060cfea9fbcb5452068e126;p=mono.git

diff --git a/mcs/class/referencesource/System.Activities.Presentation/System.Activities.Presentation/System/Activities/Presentation/NullToBooleanConverter.cs b/mcs/class/referencesource/System.Activities.Presentation/System.Activities.Presentation/System/Activities/Presentation/NullToBooleanConverter.cs
new file mode 100644
index 00000000000..eb73c15b56f
--- /dev/null
+++ b/mcs/class/referencesource/System.Activities.Presentation/System.Activities.Presentation/System/Activities/Presentation/NullToBooleanConverter.cs
@@ -0,0 +1,24 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+
+namespace System.Activities.Presentation
+{
+    using System.Globalization;
+    using System.Windows.Data;
+
+    //Null To Boolean Converter
+    internal sealed class NullToBooleanConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            return value != null;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw FxTrace.Exception.AsError(new NotSupportedException());
+        }
+    }
+
+}