WPF 附件路由事件

public class Person

    {

        public static readonly RoutedEvent NameChangedEvent = EventManager.RegisterRoutedEvent("NameChanged", RoutingStrategy.Bubble,typeof(RoutedEventHandler),typeof(Person));

 

        //为界面添加路由侦听

        public static void AddNameChangedHandle(DependencyObject d,RoutedEventHandler h)

        {

            UIElement e = d as UIElement;

            if(null!=e)

            {

                e.AddHandler(NameChangedEvent, h);

            }

        }

        //移除侦听

        public static void RemoveNameChangedHandle(DependencyObject d,RoutedEventHandler h)

        {

            UIElement e = d as UIElement;

            if(null!=e)

            {

                e.RemoveHandler(NameChangedEvent,h);

            }

        }

        public int Id { get; set; }

        public string Name { get; set; }

    }

 

 

 

<Window x:Class="WpfApplication1.Window27"

 

        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

 

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

 

        Title="Window27" Height="272" Width="349">

 

    <Grid x:Name="gd_main">

 

        <Button Content="Button"  x:Name="button1" Width="75" Height="75" Margin="10" Click="button1_Click" />

 

    </Grid>

 

</Window>

 

 

 

 

 

 

 

 

 public partial class Window27 : Window

 

    {

 

        public Window27()

 

        {

 

            InitializeComponent();

 

            //为外层Grid添加路由事件

 

            Person.AddNameChangedHandle(this.gd_main, new RoutedEventHandler(PersonNameChanged));

 

        }

 

 

 

 

 

        private void PersonNameChanged(object obj, RoutedEventArgs e)

 

        {

 

            MessageBox.Show((e.OriginalSource as Person).Name);

 

        }

 

 

 

        private void button1_Click(object sender, RoutedEventArgs e)

 

        {

 

            Person persion = new Person();

 

            persion.Id = 0;

 

            persion.Name = "Darren";

 

            //准备事件消息并发送路由事件

 

            RoutedEventArgs arg = new RoutedEventArgs(Person.NameChangedEvent, persion);

 

            this.button1.RaiseEvent(arg);

 

        }

 

    }