RouteCommand Sample

最新推荐文章于 2025-12-02 10:02:19 发布

原创最新推荐文章于 2025-12-02 10:02:19 发布 · 503 阅读

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CC 4.0 BY-SA版权

文章标签：

#object #command #button #null #class #system

本文介绍了一个使用WPF路由命令的示例程序。该程序定义了一个静态的路由命令，并通过按钮触发命令执行。当命令被触发时，会显示消息框通知用户命令已被执行。

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xaml

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

namespace MyRouteCommand
{
    /// <summary>
    /// Interaction logic for Window1.xaml
    /// </summary>

    public partial class Window1 : System.Windows.Window
    {
        public static RoutedCommand MyCmd = new RoutedCommand();

        public Window1()
        {
            InitializeComponent();
        }

        private void CmdExecuted(object sender, ExecutedRoutedEventArgs e)
        {
            MessageBox.Show("Command has been excuted, the source is" + e.Source.ToString());
        }

        // CanExecuteRoutedEventHandler for the ColorCmd
        private void CmdCanExecute(object sender, CanExecuteRoutedEventArgs e)
        {
            if (e.Source != null)
            {
                e.CanExecute = true;
            }
            else
            {
                e.CanExecute = false;
            }
        }

        private void Btn_Click(object sender, EventArgs e)
        {
            MyCmd.Execute(null, Mybtn1);
        }

        private void Btn2_Click(object sender, RoutedEventArgs e)
        {
            MyCmd.Execute(null, Mybtn2);
        }

}
}

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