--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MetroWpf/MetroWpf.Xaml/Converters/NotConverter.cs	Mon Mar 12 23:05:21 2012 +0800
@@ -0,0 +1,23 @@
+namespace MetroWpf.Xaml.Converters
+{
+    using System;
+    using System.Windows;
+    using System.Windows.Data;
+
+    public class NotConverter : IValueConverter
+    {
+        #region IValueConverter Members
+
+        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            return !(bool)value;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
+        {
+            return value;
+        }
+
+        #endregion
+    }
+}