c#委托

namespace 委托
{
    //定义委托
    public delegate void EatFood();

    class DelegateTest
    {
        //委托声明
        EatFood JiangEatFood;

        //委托注册
        public DelegateTest()
        {
            JiangEatFood += Morning;
            JiangEatFood += Lunch;
        }

        public void Morning()
        {
            Console.WriteLine("早餐牛奶");
        }

        public void Lunch()
        {
            Console.WriteLine("午餐盖饭");
        }

        //委托调用
        public void Display()
        {
            JiangEatFood();
        }

        static void Main(string[] args)
        {
            DelegateTest obj = new DelegateTest();
            obj.Display();
        }
    }
}