using System;

using System.Collections.Generic;

using System.Text;

using System.Threading;

using System.Windows.Forms;

namespace ThreadSample

{

    public delegate void ThreadEventHandler(object sender, EventArgs e);

    public class myThread

    {

        //线程执行开始调用事件

        public event ThreadEventHandler RequestEvent;

        //线程执行结束调用事件

        public event ThreadEventHandler CompletedEvent;

        //是否允许执行线程中具体任务

        public bool isExecute = false;

        //线程名称

        private string threadName = "线程";   //string.Empty;

        public string ThreadName

        {

            get { return threadName; }

        }

        public void Start()

        {

            try

            {

                //执行前调用事件

                RequestEvent(this, null);

                if (isExecute)

                {

                    //执行任务

                    Random seed = new Random(DateTime.Now.Millisecond);

                    int sleepTime = seed.Next(, );

                    Thread.Sleep(sleepTime);

                }

                threadName += Thread.CurrentThread.ManagedThreadId.ToString();

                //执行后调用事件

                CompletedEvent(this, null);

            }

            catch (Exception ex)

            {

                //记录错误日志追踪文件

            }

        }

    }

}

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using System.Threading;

namespace ThreadSample

{

    public partial class frmApp : Form

    {

        public frmApp()

        {

            InitializeComponent();

        }

        private void btnExit_Click(object sender, EventArgs e)

        {

            Environment.Exit();

        }

        private void btnRun_Click(object sender, EventArgs e)

        {

            try

            {

                int threadCount = ;

                this.tbMonitor.Clear();      //显示监视线程的信息

                myThread[] threadArray = new myThread[threadCount];

                Thread td = null;

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

                {

                    threadArray[i] = new myThread();

                    threadArray[i].RequestEvent += frmApp_RequestEvent;

                    threadArray[i].CompletedEvent += frmApp_CompletedEvent;

                    td = new Thread(threadArray[i].Start);

                    td.Start();

                }

            }

            catch (Exception ce)

            {

                MessageBox.Show(ce.ToString());

            }

        }

        //记录线程信息

        private delegate void RecordsEventHandler(object sender, EventArgs e);

        //依据线程调用次方法的先后显示信息

        private void frmApp_CompletedEvent(object sender, EventArgs e)  //sender太泛，可以给准确名字（myThread）

        {

            if (this.tbMonitor.InvokeRequired)

            {

                this.tbMonitor.Invoke(new RecordsEventHandler(frmApp_CompletedEvent), new object[] { sender, e });

            }

            else

            {

                try

                {

                    Monitor.Enter(this.tbMonitor);  //同步机制，指定对象获取排它锁

                    //具体操作

                    this.tbMonitor.Text += (sender as myThread).ThreadName + "--- ---" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fffff ") + Environment.NewLine;

                }

                catch (Exception ex)

                {

                    MessageBox.Show(ex.ToString());

                    //记录错误日志追踪文件

                }

                finally

                {

                    Monitor.Exit(this.tbMonitor);   //同步机制，指定对象释放排它锁

                }

            }

        }

        private void frmApp_RequestEvent(object sender, EventArgs e)

        {

            //是否允许执行线程中具体任务

            (sender as myThread).isExecute = true;

        }

    }

}