C#多线程编程实例 螺纹与窗口交互

代码：

    public partial class Form1 : Form

    {

        //声明线程数组

        Thread[] workThreads = new Thread[10];

        public Form1()

        {

            InitializeComponent();

        }

        //此托付同意异步的调用为Listbox加入Item

        delegate void AddItemCallback(string text);

        //这样的方法演示怎样在线程安全的模式下调用Windows窗口上的控件。

private void AddItem(string text)

        {

            if (this.listBox1.InvokeRequired)

            {

                AddItemCallback d = new AddItemCallback(AddItem);

                this.Invoke(d, new object[] { text });

            }

            else

            {

                this.listBox1.Items.Add(text);

            }

        }

        //数据採集方法

        public void DataGet()

        {

            while (true)

            {

                AddItem("ok");

                Thread.Sleep(1000);

            }

            //假设此方法退出了，那么这个线程也就退出了

        }

        /// <summary>

        /// 启动线程

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void button1_Click(object sender, EventArgs e)

        {

            //循环创建并启动线程运行

            for (int i = 0; i < workThreads.Length; i++)

            {

                if (workThreads[i] == null)

                {

                    //假设线程不存在，则创建

                    workThreads[i] = new Thread(new ThreadStart(DataGet));

                    workThreads[i].Name = i.ToString();

                    workThreads[i].Start();

                }

                else

                {

                    //已经存在，假设没有运行，则启动

                    if (workThreads[i].ThreadState == ThreadState.Aborted || workThreads[i].ThreadState == ThreadState.Stopped)

                    {

                        workThreads[i] = new Thread(new ThreadStart(DataGet));

                        workThreads[i].Name = i.ToString();

                        workThreads[i].Start();

                    }else{

                        workThreads[i].Start();

                    }

                }

            }

        }

        /// <summary>

        /// 停止线程

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void button2_Click(object sender, EventArgs e)

        {

            //循环停止线程运行

            for (int i = 0; i < workThreads.Length; i++)

            {

                //假设线程存在，而且状态不是停止也不是终止的，则终止该线程

                if (workThreads[i] != null && workThreads[i].ThreadState != ThreadState.Stopped && workThreads[i].ThreadState != ThreadState.Aborted)

                {

                    workThreads[i].Abort();

                }

            }

        }

    }

源代码下载：http://download.csdn.net/detail/testcs_dn/7618881