Wino-Mail/Wino.Core.UWP/Converters/ReverseBooleanConverter.cs

using System;
using Windows.UI.Xaml.Data;

namespace Wino.Converters
{
    public partial class ReverseBooleanConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, string language)
        {
            if (value is bool boolval)
                return !boolval;

            return false;
        }

        public object ConvertBack(object value, Type targetType, object parameter, string language)
        {
            throw new NotImplementedException();
        }
    }
}