简单理解委托

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

namespace ConsoleApplication1
{
    class Program
    {
        public delegate int MyDelegate(int a);

        static void Main(string[] args)
        {
            DoMethod(AddOne); //AddOne和MyDelegate的参数类型和返回值类型必须保持一致
        }

        public static int AddOne(int a)
        {
            return a + 1;
        }

        public static void DoMethod(MyDelegate myDelegate)
        {
            Console.WriteLine("Result：" + myDelegate(100));
        }
    }
}