[C#/WPF] Invert Boolean Converter

▶InvertBooleanConverter 

True면 False, False면 True로 반대의 값으로 리턴되는 Converter 

public class InvertBooleanConverter : IValueConverter
{
    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        if (value is bool)
        {
            return !(bool)value;
        }

        return value;
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        if (value is bool)
        {
            return !(bool)value;
        }

        return value;
    }
}

▶xaml에서 사용 예

<Button IsEnabled="{Binding IsBtnEnabled, Converter={StaticResource InvertBooleanConverter}}" />