using System; using Windows.UI.Xaml.Data; namespace Mvvm3_Basic.Common { /// <summary> /// Value converter that translates true to false and vice versa. /// </summary> public sealed class BooleanNegationConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, string language) { return !(value is bool && (bool)value); } public object ConvertBack(object value, Type targetType, object parameter, string language) { return !(value is bool && (bool)value); } } }
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