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);
}
}
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