using System;class MyMyEventArgs:EventArgs{ private char keyChar; public MyMyEventArgs(char keyChar) { this.keychar=keychar; } public char KeyChar { get { return keyChar; } }}
因为现在要监听多个键了,我们得改写监听器的类中的do...while部分。改写委托,改写客户端传递的参数。好了最终代码如下,好累
using System;class MyEventArgs:EventArgs{ private char keyChar; public MyEventArgs(char keyChar) { this.keyChar=keyChar; } public char KeyChar { get { return keyChar; } }}
class UserInputMonitor{ public delegate void UserRequest(object sender,MyEventArgs e); //定义委托 public event UserRequest OnUserRequest; //此委托类型类型的事件 public void Run() { bool finished=false; do { string inputString= Console.ReadLine(); if (inputString!="") OnUserRequest(this,new MyEventArgs(inputString[0])); }while(!finished); }}
public class Client{ public static void Main() { UserInputMonitor monitor=new UserInputMonitor(); new Client(monitor); monitor.Run(); } private void ShowMessage(object sender,MyEventArgs e) { Console.WriteLine("捕获到:{0}",e.KeyChar); } Client(UserInputMonitor m) { m.OnUserRequest =new UserInputMonitor.UserRequest(this.ShowMessage); //m.OnUserRequest =new m.UserRequest(this.ShowMessage); //注意这种写法是错误的,因为委托是静态的 }}
本人水平有限,所以错误难免,极其欢迎大家批评指正。
renrenqq(ddlly) EMail: ddlly@tom.com, QQ24008122
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