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// --------------------------------------------------------------------------------------------------------------------
// <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
{
/// <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?) && targetType != typeof(bool))
{
throw new InvalidOperationException("The target must be a boolean");
}
bool result;
bool.TryParse(value.ToString(), out result);
return !result;
}
/// <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)
{
return null;
}
}
}
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