摘要：派生类using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.IO;using ClassLibrary1.util;using ClassLibrary1.util.util2;namespace ClassLibrary1{ //声明代理类 public delegate void MyEvent(); public class Class1 { //enum是C#的关键字，定义枚举类型， Enum 是C#的一个类 ... 阅读全文