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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="BooleanConverter.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>
// Defines the BooleanConverter type.
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrakeWPF.Converters
{
using System;
using System.Globalization;
using System.Windows.Data;
/// <summary>
/// Boolean to Visibility Converter
/// </summary>
public sealed class BooleanConverter : IValueConverter
{
/// <summary>
/// Convert a boolean to visibility property.
/// </summary>
/// <param name="value">
/// The value.
/// </param>
/// <param name="targetType">
/// The target type.
/// </param>
/// <param name="parameter">
/// The parameter. (A boolean which inverts the output)
/// </param>
/// <param name="culture">
/// The culture.
/// </param>
/// <returns>
/// Visibility property
/// </returns>
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
// Paramater is a boolean which inverts the output.
var param = System.Convert.ToBoolean(parameter, CultureInfo.InvariantCulture);
if (value is bool)
{
return param ? !(bool)value : value;
}
return value;
}
/// <summary>
/// Convert Back for the IValueConverter Interface. Not used!
/// </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>
/// Nothing
/// </returns>
/// <exception cref="NotImplementedException">
/// This method is not used!
/// </exception>
public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
{
return this.Convert(value, targetType, parameter, culture);
}
}
}
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