C#委託 委託樣本 事件驅動

C#委託 委託樣本 事件驅動 

using System; using System.Collections.Generic; using System.Text; using System.Threading; using System.Runtime.Remoting.Messaging; using System.IO; using System.Net; namespace ConsoleApplication2 {      /// <summary>      /// *************************************************************************      /// 程式作者：李偉濤      /// QQ：12666954      /// 傳遞訊息，驅動事件      /// *************************************************************************      /// </summary>           public struct Quitperson//定義逃課人的資訊      {          public string name;          public string Class;      }      class client      {          public class CQuithireEventArgs:EventArgs          {              public readonly Quitperson quitperson;              public CQuithireEventArgs(Quitperson quitperson)//封裝事件資訊              {                  this.quitperson=quitperson;              }          }          public delegate void QuithireEventHandler(object sender, CQuithireEventArgs e);//定義委託          public event QuithireEventHandler OnQuithire;//事件          protected virtual void Quithire(CQuithireEventArgs e)//事件通知器          {              if (OnQuithire != null)                  OnQuithire(this, e);          }          public void setQuitperson(Quitperson quitperson)          {              CQuithireEventArgs e = new CQuithireEventArgs(quitperson);              Quithire(e);//調用通知器，通知所有登記事件的訂閱著          }      }      class teacher      {          public void report(object sender, client.CQuithireEventArgs e)          {              Console.WriteLine("{0}班的{1}逃課了！", e.quitperson.Class, e.quitperson.name);          }          public teacher(client clt)          {              clt.OnQuithire += new client.QuithireEventHandler(report);          }      }      class schoolposident      {          public void Sreport(object sender, client.CQuithireEventArgs e)          {              Console.WriteLine("{0}:{1}班的{2}逃課了！", DateTime.Now.ToShortDateString(), e.quitperson.Class, e.quitperson.name);          }          public schoolposident(client clt)          {              clt.OnQuithire += new client.QuithireEventHandler(Sreport);          }      }      class Program      {          static void Main(string[] args)          {              Quitperson q = new Quitperson();//初始化逃課人資訊              q.Class = "軟體051";              q.name = "李偉濤";              client clt = new client();              //訂閱事件              teacher t = new teacher(clt);              schoolposident sp = new schoolposident(clt);              clt.setQuitperson(q);              Console.ReadLine();          }      }     }