C# - 线程操作

代码：

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;

 //引用相应命名空间
 using System.Threading;
 using System.Collections;

 namespace ThreadDemo
 {
     class ThreadDemo
     {

         private Thread thread1;

         private Thread thread2;

         private ArrayList arraylist;

         //删除所有数据之后，执行事件
         private event EventHandler OnNumberClear;

         /// <summary>
         /// 构造函数
         /// </summary>
         /// <param name="Number">数字</param>
         public ThreadDemo(int Number)
         {
             //创建随机对象
             Random db = new Random();

             //创建数组
             arraylist = new ArrayList(Number);

             //循环将产生的随机数放到数组中。
             for (int i = ; i < Number; i++)
             {
                 arraylist.Add(db.Next().ToString());
             }

             //ThreadStart表示在此线程上调用的方法
             thread1 = new Thread(new ThreadStart(Run));

             //ThreadStart表示在此线程上调用的方法
             thread2 = new Thread(new ThreadStart(Run));

             OnNumberClear += ThreadDemo_OnNumberClear;
         }

         /// <summary>
         /// 事件执完成之后，执行事件
         /// </summary>
         /// <param name="sender"></param>
         /// <param name="e"></param>
         void ThreadDemo_OnNumberClear(object sender, EventArgs e)
         {
             Console.WriteLine("执行完成，停止所有线程！");
             thread1.Abort();//终止线程
             thread2.Abort(); //终止线程
         }

         /// <summary>
         /// 两个线程要执行的方法
         /// </summary>
         public void Run()
         {
             string stringValue = null;
             while (true)
             {
                 Monitor.Enter(this);//锁定，保持同步
                 stringValue = (string)arraylist[];
                 Console.WriteLine(Thread.CurrentThread.Name + "删除了" + stringValue);
                 arraylist.RemoveAt();//删除ArrayList中的元素
                 if (arraylist.Count == )
                 {
                     OnNumberClear(this, new EventArgs());//引发完成事件
                 }
                 Monitor.Exit(this);//取消锁定
                 Thread.Sleep();
             }
         }

         /// <summary>
         /// 启动两个线程
         /// </summary>
         public void Active()
         {

             thread1.Start();
             thread2.Start();
         }

         /// <summary>
         /// Main
         /// </summary>
         public static void Main()
         {
             ThreadDemo th = new ThreadDemo();

             th.Active();
         }
     }
 }