1 class HelloWorld 2    { 3       //定义委托类型 4       delegate void DelegationChain(); 5       static void Main(string[] args) 6       { 7          //用静态方法来实例委托 8          DelegationChain mydelegateone=new DelegationChain(HelloWorld.Fun2); 9           //用实例方法来实例委托10          DelegationChain mydelegatetwo=new DelegationChain(new HelloWorld().Fun1);11          //定义一个委托对象初始化为null12          DelegationChain delegationChain=null;13           //使用‘+链接委托,链接后就成了委托链14           delegationChain+=mydelegateone;15           delegationChain+=mydelegatetwo;16           //调用委托链17           delegationChain();18          Console.ReadKey();19       }20       private void Fun1()21       {22           Console.WriteLine("Fun1");23       }24       private static void Fun2()25       {26           Console.WriteLine("Fun2");27       }28    }