黑马笔记-多线程代码

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.Windows.Forms;

namespace 多线程聊天室
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            TextBox.CheckForIllegalCrossThreadCalls = false;
        }
        /// <summary>
        /// 单线的形式。
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnSingleThread_Click(object sender, EventArgs e)
        {
            //for (int i = 0; i <= 9999999; i++)
            //{
            //    textBox1.Text = i.ToString();
            //}
            CountTime();
        }

        /// <summary>
        /// 数数。
        /// </summary>
        public void CountTime()
        {
            for (int i = 0; i <= 999999999; i++)
            {
                //textBox1.Text = i.ToString();
            }
            MessageBox.Show("数数完毕!");
        }

        /// <summary>
        /// 利用多线程的方法解决UI卡死。
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnMulThread_Click(object sender, EventArgs e)
        {
            ///创建线程对象 传入要线程执行的方法.
            Thread threadFirt = new Thread(this.CountTime);
            //将线程设置为后台线程。（当所有的前台线程结束，后台线程会自动退出. ）
            threadFirt.IsBackground = true;
            ///启动线程
            threadFirt.Start();
        }

        /// <summary>
        /// 文本重写。
        /// </summary>
        public void ChangText()
        {
            for (int i = 0; i < 99999; i++)
            {
                int a = int.Parse(textBox1.Text);
                a++;
                textBox1.Text = a.ToString();
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            ///创建线程对象 传入要线程执行的方法.
            Thread threadFirt = new Thread(this.ChangText);
            //threadFirt.Name = t1;
            //将线程设置为后台线程。（当所有的前台线程结束，后台线程会自动退出. ）
            threadFirt.IsBackground = true;
            ///启动线程
            threadFirt.Start();

            ///创建线程对象 传入要线程执行的方法.
            Thread threadFirt2 = new Thread(this.ChangText);
            //threadFirt2.Name = t2;
            //将线程设置为后台线程。（当所有的前台线程结束，后台线程会自动退出. ）
            threadFirt2.IsBackground = true;
            ///启动线程
            threadFirt2.Start();
        }

        private void btnThreadWithPa_Click(object sender, EventArgs e)
        {
            //ParameterizedThreadStart myParameThreadStart = new ParameterizedThreadStart(ShowTxtName);

            Thread thread = new Thread(ShowTxtName);

            thread.IsBackground = true;

            thread.Start(txtName.Text);
        }
        /// <summary>
        /// 多线程一个参数的方法
        /// </summary>
        /// <param name="name"></param>
        void ShowTxtName(object name)
        {
            if (name != null)
            {
                MessageBox.Show("name=" + name.ToString());
            }
            else
            {
                MessageBox.Show("aa ");
            }
        }
        /// <summary>
        /// 多线程多参数的方法
        /// </summary>
        /// <param name="name"></param>
        void ShowTxtName2(object li)
        {   
            List<string> list=li as List<string>;
             if(list!=null)
             {
                 foreach (string s in list)
                 {
                     MessageBox.Show(s);
                 }
             }
            
        }

        private void btnThreadWithmanyPa_Click(object sender, EventArgs e)
        {
            Thread thread = new Thread(ShowTxtName2);

            thread.IsBackground = true;

            thread.Start(new List<string>() { "刘德华","王力宏","孙燕姿"});
        }
    }
    class MyThread
    {
        ThreadStart ts;
        ParameterizedThreadStart pts;
        public MyThread(ThreadStart ts)
        {
            this.ts = ts;
        }
        public MyThread(ParameterizedThreadStart pts)
        {
            this.pts = pts;
        }
        public void Start()
        
        {
            if (ts != null)
            {
                this.ts();
            }
            else
            {
                this.pts(null);
            }
        }
        public void Start(object o)
        {
            this.pts(o);
        }
    }
}