Converters/InverseBooleanConverter.cs

(完整代码) 690B

using System;
using System.Windows.Data;

namespace XStart2._0.Converters {
    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();
        }

        #endregion
    }
}

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