自定义事件

public partial class event_test : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        TestEvent te = new TestEvent();
        te.TestPrint += new EventHandler(te_TestPrint);
        te.Testp("10", null);
        TestEvent2 te2 = new TestEvent2();
        te2.Mt += new Mytestevent(te2_Mt);
        te2.Testp("o", new NewEvent() { id="01",name="静"});
    }

    void te2_Mt(NewEvent nevent, object sender)
    {
        Response.Write(nevent.id + nevent.name);
    }

    void te_TestPrint(object sender, EventArgs e)
    {
        Response.Write("0");
    }
}
public class TestEvent
{
    object obj = new object();
    public TestEvent()
    { }
    private event EventHandler testprint;
    public event EventHandler TestPrint
    {
        add
        {
            testprint += value;
        }
        remove
        {
            testprint -= value;
        }
    }
    public void Testp(object sender, EventArgs e)
    {
        testprint(sender, e);
    }
}

public class NewEvent : EventArgs
{
    public string name { get; set; }
    public string id { get; set; }
}
public delegate void Mytestevent(NewEvent nevent, object sender);
public class TestEvent2
{
    object obj = new object();
    private event Mytestevent mt;
    public event Mytestevent Mt
    {
        add
        {
            mt += value;
        }
        remove
        {
            mt -= value;
        }
    }
    public void Testp(object sender, NewEvent e)
    {
        mt(e, sender);
    }
}