摘要：
委托本质是一个类， 委托对方法的抽象，public class EnglishMessage { public void Say(string name) { Console.WriteLine("Englis:"+name); } }public class ChineseMessage { public void Say(string name) { Console.WriteLine("Chinese:" + name); } }public delegate void GreetingDelegate(string name); public class Program { stati 阅读全文