private EventWaitHandle _EventWaitHandle;

_EventWaitHandle = new EventWaitHandle(false, EventResetMode.AutoReset);

                _Thread = new Thread(Thread_Function);

private void Thread_Function()

        {

            DataBuf protocolData;



            protocolData = new DataBuf(_BufSize);



            while (true)

            {                

                _EventWaitHandle.WaitOne();//在此处阻塞线程



                try

                {

                    while (!_DataReceiveCycle.IsEmpty())

                    {

                        //                        }

                    }

                }

                catch (Exception ex)

                {

                    Prj.Log.Add(MethodResultHelper.BuildExceptionMsg(ex.Message));

                }

            }

        }

_EventWaitHandle.Set(); //唤醒线程

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }



        private void Form1_Load(object sender, EventArgs e)

        {

            tmr.Elapsed += new System.Timers.ElapsedEventHandler(tmr_Elapsed);

            tmr.Start();

        }



        void tmr_Elapsed(object sender, System.Timers.ElapsedEventArgs e)

        {

            i++;

            if (i >= 300)

                i = 0;

            this.BeginInvoke(new Action(() => { m(i); }));

        }



        int i;

        System.Timers.Timer tmr = new System.Timers.Timer(10);



        void m(int i)

        {

            this.Text = i.ToString();

        }



        private void button1_Click(object sender, EventArgs e)

        {

            tmr.Enabled = !tmr.Enabled;

        }





    }

        private void MainForm_Load(object sender, EventArgs e)

        {

            new Thread(method).Start();

        }

        private AutoResetEvent threadEvent = new AutoResetEvent(false);

        private void button1_Click(object sender, EventArgs e)

        {

            threadEvent.Set();

        }

        void Method()

        {

            try

            {

                int i;

            cnt: i = 0;

                while (i < 300)

                {

                    Thread.Sleep(10);

                    i++;

                    this.Invoke(dm, new object[] { i });//跨线程刷新窗体标题

                }

                threadEvent.WaitOne();

                goto cnt;

            }

            catch

            { }

        }

    }

// 按钮控制全局标志suspend 为true还是false

private bool suspend = false;



...

int i = 0;

while (i < 300)

{

       if (!suspend)

       {

          i++;

          this.Invoke(dm, new object[] { i });//跨线程刷新窗体标题

       }

       Thread.Sleep(100); //就算没有暂停也适当等待，否则窗体无响应，直接显示300

       // Application.DoEvents(); 没用的语句

}

// 后面的goto也没啥用。

public partial class Form1 : Form

    {



        Thread t;

        public delegate void delegateM(int i);

        delegateM dm;



        AutoResetEvent are;



        public Form1()

        {

            InitializeComponent();

        }



        private void Form1_Load(object sender, EventArgs e)

        {

            are = new AutoResetEvent(false);



            dm = m;

            t = new Thread(Method);

            t.Start();

        }



        void Method()

        {

            try

            {

                int i;

            cnt: i = 0;

                while (i < 300)

                {

                    Thread.Sleep(10);

                    i++;

                    this.Invoke(dm, new object[] { i });//跨线程刷新窗体标题

                    Application.DoEvents();

                }

                are.WaitOne();//线程暂时停止

                goto cnt;

            }

            catch

            { }

        }



        void m(int i)

        {

            this.Text = i.ToString();

        }



        private void button1_Click(object sender, EventArgs e)

        {

            try

            {

                are.Set();//继续执行线程

            }

            catch

            { }

        }

    }