WPF 属性数据绑定以否定属性

使用 WPF 属性数据绑定以否定属性

csharp
using System;
using System.Globalization;
using System.Windows;
using System.Windows.Data;
namespace WpfApp
{
    public class NegationConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is bool boolValue)
            {
                return !boolValue;
            }
            return DependencyProperty.UnsetValue;
        }
        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }
    }
}

xaml
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:converters="clr-namespace:WpfApp"
        Title="MainWindow" Height="450" Width="800">
    
        
    
    
        
        
            I am a button