委托类的练习

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication2
{
    class Program
    {
        public  delegate void TestDel(string name); //创建委托类
         static void Main(string[] args)
        {
            TestDel tstDel = EnglishGreeting;
            tstDel("jim");
            DoGreeting("Jim", EnglishGreeting);
            DoGreeting("Jim", ChineseGreeting);
            Console.ReadKey();
        }
        public static void DoGreeting(string name, TestDel tst) ///利用了委托
        {
            tst(name); //利用了委托
        }

        //private void GreetingDelegate(string name)
        //{

        //    //throw new NotImplementedException();
        //}
        public static void EnglishGreeting(string name) //和委托有关的方法，将要利用委托，返回值类型和参数一致
        {
            Console.WriteLine("Hello," + name);
        }
        public static void ChineseGreeting(string name)
        {
            Console.WriteLine("你好," + name);
        }
    }
}