wpf自定义TimeButton-路由事件的使用方法

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;

namespace WpfApp3
{
    public class TimeButton:Button
    {
        public static readonly RoutedEvent ReportTimeEvent =
            EventManager.RegisterRoutedEvent("ReportTime",RoutingStrategy.Bubble,typeof(EventHandler<ReportTimeEventArgs>),typeof(TimeButton));

        public event RoutedEventHandler ReportTime
        {
            add { this.AddHandler(ClickEvent, value); }
            remove { this.RemoveHandler(ClickEvent, value); }
        }

        protected override void OnClick()
        {
            base.OnClick();
            ReportTimeEventArgs args = new ReportTimeEventArgs(ReportTimeEvent, this);
            args.ClickTime = DateTime.Now;
            this.RaiseEvent(args);
        }
    }
}

<Window x:Class="WpfApp3.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp3"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <StackPanel>
            <local:TimeButton Content="timeButton" ReportTime="TimeButton_ReportTime"></local:TimeButton>
        </StackPanel>
    </Grid>
</Window>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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.Navigation;
using System.Windows.Shapes;

namespace WpfApp3
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

        }

        private void TimeButton_ReportTime(object sender, ReportTimeEventArgs e)
        {
            MessageBox.Show(e.ClickTime.ToString());
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace WpfApp3
{
    public class ReportTimeEventArgs:RoutedEventArgs
    {
        public ReportTimeEventArgs(RoutedEvent routedEvent, object source):base(routedEvent,source)
        {
           
        }

        public DateTime ClickTime { get; set; }

    }
}