StyletWpfExamples/StyletBasicNavigation/Converters/InverseBooleanConverter.cs

33 lines
916 B
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;
namespace StyletBasicNavigation.Converters
{
[ValueConversion(typeof(bool), typeof(bool))]
public class InverseBooleanConverter : IValueConverter
{
#region IValueConverter Members
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
//if (targetType != typeof(bool))
// throw new InvalidOperationException("The target must be a boolean");
return !(bool)value;
}
public object ConvertBack(object value, Type targetType, object parameter,
System.Globalization.CultureInfo culture)
{
//throw new NotSupportedException();
return true;
}
#endregion
}
}