C# 事件发布和订阅

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

namespace ConsoleApp1
{
    class Program
    {
        public static void Main(string[] args)
        {
            //实例化对象
            Mom mom = new Mom();
            Dad dad = new Dad();
            Child child = new Child();

            //C#发布和订阅
            //将爸爸和孩子的Eat方法注册到妈妈的MakeCooking事件
            //订阅妈妈开饭的消息
            mom.MakeCooking += dad.Eat;
            mom.MakeCooking += child.Eat;

            //调用妈妈的Cook事件
            mom.Cook();

            Console.Write("Press any key to continue . . . ");
            Console.ReadKey(true);
        }
    }

    public class Mom
    {
        //定义MakeCooking事件，用于发布做饭消息
        public event Action MakeCooking;
        public void Cook()
        {
            Console.WriteLine("妈妈 : 饭好了，赶紧来吃饭");