c#依頼

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;



namespace DeleGateTest

{

    public delegate void GreetingDelegate(string _name);



    class Program

    {

        //public enum Language { English, Chinese }



        private static void EnglishGreeting(string _name)

        {

            Console.WriteLine("Good Morning!" + _name);

            Console.ReadLine();

        }



        private static void ChineseGreeting(string _name)

        {

            Console.WriteLine(" !" + _name);

            Console.ReadLine();

        }



        //public void GreetingPeople(string _name, Language language)

        //{

        //    switch (language)

        //    { 

        //        case Language.English:

        //            EnglishGreeting(_name);

        //            break;

        //        case Language.Chinese:

        //            ChineseGreeting(_name);

        //            break;

        //    }

        //}





        public static void GreetingPeopleTwo(string _name, GreetingDelegate greetingdelegate)

        {

            greetingdelegate(_name);

        }



        static void Main(string[] args)

        {

            //Program p = new Program();

            //p.GreetingPeople("jack",Language.English);

            //p.GreetingPeople("sidihu",Language.Chinese);



            

            //type one 

            //GreetingPeopleTwo("jack", EnglishGreeting);

            //GreetingPeopleTwo("jack", ChineseGreeting);



            //type two

            //string Cname = " ";

            //string Ename = "jack";

            //GreetingDelegate GDEngilsh, GDchinese;

            //GDEngilsh = EnglishGreeting;

            //GDchinese = ChineseGreeting;

            //GreetingPeopleTwo(Cname,GDchinese);

            //GreetingPeopleTwo(Ename,GDEngilsh);





            //type three  ， ， ， 

            //GreetingDelegate GDall;

            //GDall = EnglishGreeting;

            //GDall += ChineseGreeting;

            //GreetingPeopleTwo(" ",GDall);



            //type four

            //GreetingDelegate GDall;

            //GDall = EnglishGreeting;

            //GDall += ChineseGreeting;

            //GDall(" ");



            //type five

            GreetingDelegate GDall = new GreetingDelegate(EnglishGreeting);

            GDall += ChineseGreeting;

            GDall(" ");

            GDall -= EnglishGreeting;// 

            GDall("sidihu");





        }

    }





    //public delegate void GreetingDelegate(string name);



    //class Program 

    //{ 　　

    //    private static void EnglishGreeting(string name)

    //    { 　

    //        Console.WriteLine("Morning, " + name); 　

    //    } 　

    //    private static void ChineseGreeting(string name)

    //    { 　

    //        Console.WriteLine(" , " + name); 

    //    } 　



    //    private static void GreetPeople(string name, GreetingDelegate MakeGreeting)

    //    { 　　

    //        MakeGreeting(name); 　

    //    } 　　

        

    //    static void Main(string[] args)

    //    { 　　

    //        GreetPeople("Jimmy Zhang", EnglishGreeting); 

    //        GreetPeople(" ", ChineseGreeting); 

    //        Console.ReadKey(); 　

    //    } 　

    //} 　





}