来一发 委托C#

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

namespace no1
{
    delegate int numberChanger(int n);
    class Program
    {
        static int num = 20;
        static void Main(string[] args)
        {
            //woman w = new woman();
            //man m = new man();
            //w.cleanRoom();
            //m.cleanRoom();
            //Console.Read();
            numberChanger nc1 = new numberChanger(addNum);//通过委托调用静态方法
            nc1(10);
            Console.WriteLine("value of Num:{0}",num);

            Myclass c = new Myclass();
            numberChanger nc2 = new numberChanger(c.mutiply);//通过委托吃调用实例化方法
            nc2(22);
            Console.WriteLine("第二:{0}", c.num2);
            Console.ReadLine();
            
        }
        public static int addNum(int a)
        {
            
            num += a;
            return num;
            
        }
    }
    class Myclass
    {
        public int num2 = 35;

        public int mutiply(int p)
        {
            num2 *= p;
            return num2;
        }
    }
}