1 files changed, 81 insertions, 0 deletions
diff --git a/win/CS/HandBrakeWPF/Converters/InverseBooleanConverter.cs b/win/CS/HandBrakeWPF/Converters/InverseBooleanConverter.cs
new file mode 100644
index 000000000..f44e18a3e
--- /dev/null
+++ b/win/CS/HandBrakeWPF/Converters/InverseBooleanConverter.cs
@@ -0,0 +1,81 @@
+// --------------------------------------------------------------------------------------------------------------------
+// <copyright file="InverseBooleanConverter.cs" company="HandBrake Project (http://handbrake.fr)">
+//   This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
+// </copyright>
+// <summary>
+//   The inverse boolean converter.
+// </summary>
+// --------------------------------------------------------------------------------------------------------------------
+
+namespace HandBrakeWPF.Converters
+{
+    using System;
+    using System.Globalization;
+    using System.Windows.Data;
+
+    /// <summary>
+    /// The inverse boolean converter.
+    /// </summary>
+    [ValueConversion(typeof(bool), typeof(bool))]
+    public class InverseBooleanConverter : IValueConverter
+    {
+        #region Implemented Interfaces
+
+        #region IValueConverter
+
+        /// <summary>
+        /// The convert.
+        /// </summary>
+        /// <param name="value">
+        /// The value.
+        /// </param>
+        /// <param name="targetType">
+        /// The target type.
+        /// </param>
+        /// <param name="parameter">
+        /// The parameter.
+        /// </param>
+        /// <param name="culture">
+        /// The culture.
+        /// </param>
+        /// <returns>
+        /// The <see cref="object"/>.
+        /// </returns>
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (targetType != typeof(bool))
+            {
+                throw new InvalidOperationException("The target must be a boolean");
+            }
+
+            return !(bool)value;
+        }
+
+        /// <summary>
+        /// The convert back.
+        /// </summary>
+        /// <param name="value">
+        /// The value.
+        /// </param>
+        /// <param name="targetType">
+        /// The target type.
+        /// </param>
+        /// <param name="parameter">
+        /// The parameter.
+        /// </param>
+        /// <param name="culture">
+        /// The culture.
+        /// </param>
+        /// <returns>
+        /// The <see cref="object"/>.
+        /// </returns>
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotSupportedException();
+        }
+
+        #endregion
+
+        #endregion
+    }
+}
+\ No newline at end of file