public partial class MainWindow : Window

     {

         public MainWindow()

         {

             InitializeComponent();

         }

         private volatile bool isContinue = false;

         static List<WaitHandle> waitHandles = new List<WaitHandle>();

         private void Button_ThreadStart_Click(object sender, RoutedEventArgs e)

         {

             if (isContinue)

                 return;

             isContinue = true;

             Thread t = new Thread(TestWaitAll);//先开启一个线程

             t.Name = "TestWaitAll";

             t.Start();

         }

         private void Button_ThreadStop_Click(object sender, RoutedEventArgs e)

         {

             isContinue = false;

         }

         public void TestWaitAll()

         {

             for (int i = ; i < ; i++)

             {
　　　　　　　　　　　//WaitHandle是一个抽像类别所以得实体化它的子类，也就是 ManualResetEvent 类 或 AutoResetEvent 类

                 ManualResetEvent wh = new ManualResetEvent(false);

                 waitHandles.Add(wh);

                 ThreadPool.QueueUserWorkItem(Task, wh);

             }

             WaitHandle.WaitAll(waitHandles.ToArray());

             Console.WriteLine("所有线程都终止！！！！！！");

             MessageBox.Show("搞定！");

         }

         public void Task(Object state)

         {

             ManualResetEvent mre = (ManualResetEvent)state;

             while (isContinue)

             {

                 Console.WriteLine("{0} : {1}", mre.Handle.ToString(), DateTime.Now.ToLongTimeString());

                 Thread.Sleep();

             }

             Console.WriteLine("当前线程终止");

             mre.Set();

         }

     }