多线程互斥实例2

  1using System;
  2using System.Drawing;
  3using System.Collections;
  4using System.ComponentModel;
  5using System.Windows.Forms;
  6using System.Data;
  7// 添加新的命名空间。
  8using System.Threading;
  9
 10namespace ThreadMutex2
 11{
 12    /**//// <summary>
 13    /// 多线程互斥实例2。
 14    /// </summary>
 15    public class Form1 : System.Windows.Forms.Form
 16    {
 17        private System.Windows.Forms.Button button1;
 18        private System.Windows.Forms.RichTextBox richTextBox1;
 19        /**//// <summary>
 20        /// 必需的设计器变量。
 21        /// </summary>
 22        private System.ComponentModel.Container components = null;
 23
 24        public Form1()
 25        {
 26            //
 27            // Windows 窗体设计器支持所必需的
 28            //
 29            InitializeComponent();
 30
 31            //
 32            // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
 33            //
 34        }
 35
 36        /**//// <summary>
 37        /// 清理所有正在使用的资源。
 38        /// </summary>
 39        protected override void Dispose( bool disposing )
 40        {
 41            if( disposing )
 42            {
 43                if (components != null)
 44                {
 45                    components.Dispose();
 46                }
 47            }
 48            base.Dispose( disposing );
 49        }
 50
 51        Windows Form Designer generated code#region Windows Form Designer generated code
 52        /**//// <summary>
 53        /// 设计器支持所需的方法 - 不要使用代码编辑器修改
 54        /// 此方法的内容。
 55        /// </summary>
 56        private void InitializeComponent()
 57        {
 58            this.button1 = new System.Windows.Forms.Button();
 59            this.richTextBox1 = new System.Windows.Forms.RichTextBox();
 60            this.SuspendLayout();
 61            //
 62            // button1
 63            //
 64            this.button1.Location = new System.Drawing.Point(175, 248);
 65            this.button1.Name = "button1";
 66            this.button1.TabIndex = 0;
 67            this.button1.Text = "开始";
 68            this.button1.TextAlign = System.Drawing.ContentAlignment.TopCenter;
 69            this.button1.Click += new System.EventHandler(this.button1_Click);
 70            //
 71            // richTextBox1
 72            //
 73            this.richTextBox1.Dock = System.Windows.Forms.DockStyle.Top;
 74            this.richTextBox1.Name = "richTextBox1";
 75            this.richTextBox1.ScrollBars = System.Windows.Forms.RichTextBoxScrollBars.ForcedVertical;
 76            this.richTextBox1.Size = new System.Drawing.Size(424, 240);
 77            this.richTextBox1.TabIndex = 2;
 78            this.richTextBox1.Text = "";
 79            //
 80            // Form1
 81            //
 82            this.AutoScaleBaseSize = new System.Drawing.Size(8, 18);
 83            this.ClientSize = new System.Drawing.Size(424, 282);
 84            this.Controls.AddRange(new System.Windows.Forms.Control[] {
 85                                                                          this.richTextBox1,
 86                                                                          this.button1});
 87            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
 88            this.MaximizeBox = false;
 89            this.Name = "Form1";
 90            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
 91            this.Text = "多线程互斥2";
 92            this.Closing += new System.ComponentModel.CancelEventHandler(this.Form1_Closing);
 93            this.ResumeLayout(false);
 94
 95        }
 96        #endregion
 97
 98        /**//// <summary>
 99        /// 应用程序的主入口点。
100        /// </summary>
101        [STAThread]
102        static void Main()
103        {
104            Application.Run(new Form1());
105        }
106        // 定义私有变量。
107        public static Mutex m;
108        public Thread a;
109        public Thread b;
110        // 线程A。
111        public void ThreadA()
112        {
113            while(true)
114            {
115                Form1.m.WaitOne();
116                richTextBox1.Text += "A";
117                Form1.m.ReleaseMutex();
118                Thread.Sleep(10);
119            }
120        }
121        // 线程B。
122        public void ThreadB()
123        {
124            while(true)
125            {
126                Form1.m.WaitOne();
127                richTextBox1.Text += "B";
128                Form1.m.ReleaseMutex();
129                Thread.Sleep(20);
130            }
131        }
132        // 开始多线程。
133        private void button1_Click(object sender, System.EventArgs e)
134        {
135            m = new Mutex();
136            a = new Thread(new ThreadStart(this.ThreadA));
137            b = new Thread(new ThreadStart(this.ThreadB));
138            a.Start();
139            b.Start();
140            button1.Enabled = false;
141        }
142        // 结束多线程。
143        private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)
144        {
145            a.Abort();
146            b.Abort();
147        }
148    }
149}
150