vStationURM/Tools/SonopostSearchTool/BoolToRevertConverterExtension.cs

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

namespace SonopostSearchTool
{
    [MarkupExtensionReturnType(typeof(IValueConverter))]
    public class BoolToRevertConverterExtension : MarkupExtension, IValueConverter
    {
        public static BoolToRevertConverterExtension Converter { get; private set; }

        public override object ProvideValue(IServiceProvider serviceProvider)
        {
            return Converter ?? (Converter = new BoolToRevertConverterExtension());
        }

        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value == null)
            {
                return false;
            }

            if (bool.TryParse(value.ToString(), out bool result))
            {
                return !result;
            }

            return false;
        }

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


    }
}