正在阅读：C＃事件机制归纳（上）C＃事件机制归纳（上）

using System;

class Class1

{

       static void Main(string[] args)

       {

               Student s1=new Student();

               Student s2=new Student();

               s1.RegisterOK +=new Student.DelegateRegisterOkEvent(Student_RegisterOK);

               s2.RegisterOK +=new Student.DelegateRegisterOkEvent(Student_RegisterOK);

               s1.Register();

               s2.Register();

               Console.ReadLine();

       }

       static void Student_RegisterOK()

       {

              Console.WriteLine("Hello");

       }

}

class Student

{

       public delegate void DelegateRegisterOkEvent();

       public event DelegateRegisterOkEvent RegisterOK;