c#中使用多線程（圖）一

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

using System.Threading;

namespace student
{
 /// <summary>
 /// Form1 的摘要說明。
 /// </summary>
 public class Form1 : System.Windows.Forms.Form
 {
  private System.Windows.Forms.Button button1;
  private System.Windows.Forms.Button button2;
  private System.Windows.Forms.Button button3;

  ArrayList threads = new ArrayList();

  private System.Windows.Forms.ListView listVIEw1;
  private System.Windows.Forms.ColumnHeader columnHeader1;
  private System.Windows.Forms.ColumnHeader columnHeader2;
  /// <summary>
  /// 必需的設計器變量。
  /// </summary>
  private System.ComponentModel.Container components = null;

  public Form1()
  {
   //
   // Windows 窗體設計器支持所必需的
   //
   InitializeComponent();

   //
   // TODO: 在 InitializeComponent 調用後添加任何構造函數代碼
   //
  }

  /// <summary>
  /// 清理所有正在使用的資源。
  /// </summary>
  protected override void Dispose( bool disposing )
  {
   if( disposing )
   {
    if (components != null)
    {
     components.Dispose();
    }
   }
   base.Dispose( disposing );
  }

  #region Windows 窗體設計器生成的代碼
  /// <summary>
  /// 設計器支持所需的方法 - 不要使用代碼編輯器修改
  /// 此方法的內容。
  /// </summary>
  private void InitializeComponent()
  {
   this.button1 = new System.Windows.Forms.Button();
   this.button2 = new System.Windows.Forms.Button();
   this.button3 = new System.Windows.Forms.Button();
   this.listView1 = new System.Windows.Forms.ListVIEw();
   this.columnHeader1 = new System.Windows.Forms.ColumnHeader();
   this.columnHeader2 = new System.Windows.Forms.ColumnHeader();
   this.SuspendLayout();
   //
   // button1
   //
   this.button1.Location = new System.Drawing.Point(24, 216);
   this.button1.Name = "button1";
   this.button1.TabIndex = 1;
   this.button1.Text = "Add";
   this.button1.Click += new System.EventHandler(this.button1_Click);
   //
   // button2
   //
   this.button2.Location = new System.Drawing.Point(104, 216);
   this.button2.Name = "button2";
   this.button2.TabIndex = 2;
   this.button2.Text = "Del";
   this.button2.Click += new System.EventHandler(this.button2_Click);
   //
   // button3
   //
   this.button3.Location = new System.Drawing.Point(184, 216);
   this.button3.Name = "button3";
   this.button3.TabIndex = 3;
   this.button3.Text = "DelAll";
   this.button3.Click += new System.EventHandler(this.button3_Click);
   //
   // listVIEw1
   //
   this.listVIEw1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
                      this.columnHeader1,
                      this.columnHeader2});
   this.listVIEw1.FullRowSelect = true;
   this.listVIEw1.GridLines = true;
   this.listVIEw1.Location = new System.Drawing.Point(0, 0);
   this.listView1.Name = "listVIEw1";
   this.listVIEw1.Size = new System.Drawing.Size(288, 208);
   this.listVIEw1.TabIndex = 5;
   this.listView1.View = System.Windows.Forms.VIEw.Details;
   //
   // columnHeader1
   //
   this.columnHeader1.Text = "線程編號";
   this.columnHeader1.Width = 81;
   //
   // columnHeader2
   //
   this.columnHeader2.Text = "value";
   this.columnHeader2.Width = 180;
   //
   // Form1
   //
   this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
   this.ClIEntSize = new System.Drawing.Size(292, 266);
   this.Controls.Add(this.listVIEw1);
   this.Controls.Add(this.button3);
   this.Controls.Add(this.button2);
   this.Controls.Add(this.button1);
   this.Name = "Form1";
   this.Text = "Form1";
   this.Load += new System.EventHandler(this.Form1_Load);
   this.ResumeLayout(false);

  }
  #endregion

  /// <summary>
  /// 應用程序的主入口點。
  /// </summary>
  [STAThread]
  static void Main()
  {
   Application.Run(new Form1());
  }

  private void Form1_Load(object sender, System.EventArgs e)
  {
  
  }

  private void button1_Click(object sender, System.EventArgs e)
  {
   Add();
  }

  private void button2_Click(object sender, System.EventArgs e)
  {
   Del();
  }

  private void button3_Click(object sender, System.EventArgs e)
  {

   while(threads.Count>0)
   {
    Thread t1 = (Thread)threads[0];
    if(t1.IsAlive)
    {
     t1.Abort();
    }
    threads.RemoveAt(0);
    lock(listVIEw1)
    {
     listVIEw1.Items.RemoveAt(0);
    }
   }
  }

  private void Add()
  {
   int count = threads.Count;
   if(count<10)
   {
    Thread t = new Thread(new ThreadStart(Process));
    t.Start();
    threads.Add(t);
    lock(listVIEw1)
    {
     listView1.Items.Insert(count, new ListVIEwItem(new string[]{count.ToString(),"0"}));
    }
   }
  }

  private void Del()
  {
   int count = threads.Count;
   if(count>0)
   {
    Thread t1 = (Thread)threads[count-1];
    if(t1.IsAlive)
    {
     t1.Abort();
    }
    threads.RemoveAt(count-1);
    lock(listVIEw1)
    {
     listVIEw1.Items.RemoveAt(count-1);
    }
   }
  }

  private void Process()
  {
   int i = 1;
   while(true)
   {
    i++;
    int j = threads.IndexOf(Thread.CurrentThread);
    lock(listVIEw1)
    {
     listVIEw1.Items[j].SubItems[1].Text = i.ToString();
    }
    Thread.Sleep(0);
   }
  }
 }
}