Sic04/Sicentury.Core/Converters/ReversBoolValueConverter.cs

using System;
using System.Globalization;
using System.Windows.Data;

namespace Sicentury.Core.Converters
{
    public class ReversBoolValueConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is bool b)
                return !b;

            return value;
        }

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

            return value;
        }
    }
}