using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading;

using System.Threading.Tasks;

using System.Windows.Forms;

namespace ThreadTest

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        static EventWaitHandle eHandle = new EventWaitHandle(false, EventResetMode.ManualReset);

        bool flag = false;

        private void button1_Click(object sender, EventArgs e)

        {

            richTextBox1.Clear();

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

                richTextBox1.AppendText(i + "\r\n");

                if (i %  == ) {

                    eHandle = new EventWaitHandle(false, EventResetMode.ManualReset);

                    Thread currentThread = new Thread(new ThreadStart(TestProcess));//开辟一个进度条线程

                    currentThread.Start();

                    eHandle.WaitOne();

                    richTextBox1.AppendText("i是10的倍数: i = " + i + "\r\n");

                    if (flag == true)

                    {

                        richTextBox1.AppendText("程序结束" + "\r\n");

                        break;

                    }

                }

            }

        }

        private void TestProcess() {

            if (MessageBox.Show("确定要退出吗？", "Message", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.Cancel)

            {

                flag = false;

            }

            else

            {

                flag = true;

            }

            eHandle.Set();

        }

        private void richTextBox1_TextChanged(object sender, EventArgs e)

        {

            richTextBox1.SelectionStart = richTextBox1.Text.Length;

            richTextBox1.ScrollToCaret();

        }

    }

}