class Dem5

    {

        public Action deHandler;

        public  event Action eveHa;

        public Dem5()

        {

            deHandler += Method1;

            deHandler += Method2;

            eveHa += Method1;

            eveHa += Method2;

        }

        public void Method1()

        {

            Console.WriteLine("谁又能怎样");

        }

        public void Method2()

        {

            Console.WriteLine("那有怎样");

        }

        public void Test1()

        {

            deHandler.Invoke();

            eveHa.Invoke();

        }

        static void Main(string[] args)

        {

            Dem5 obj = new Dem5();

            obj.Test1();

        }

    }