wpf 多线程操作例(1)

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Threading;  //线程操作引用的命名空间

namespace windowform线程操作
{

//定义一个委托,没有参数
       public delegate void RunDele();

    public partial class Form1 : Form
    {

        Thread thread;     //造一个线程对象
        public Form1()
        {
            InitializeComponent();

            Control.CheckForIllegalCrossThreadCalls = false;  //告诉程序不要检查线程的安全性,比较省力,但会对程序造成不好影响
        }


        bool isRun = true;
        //点击启动
        private void button1_Click(object sender, EventArgs e)
        {
            thread = new Thread(new ThreadStart(Run));  

            thread.IsBackground = true;

            thread.Start();   //委托开始执行



           /*& button1.Enabled = false;
            long i = 0;
            while (isRun)
            {
                listView1.Items.Insert(0,i.ToString());

                i++;
            }

            isRun = true;*/
        }

        private void button2_Click(object sender, EventArgs e)
        {
            isRun = false;
            button1.Enabled = true ;
        }
        long i = 0;
        void Run()
        {
           // button1.Enabled = false;
        
            while (isRun)
            {
              
               RunDele();
           }

            isRun = true;
        }

        void RunDele()
        {
            if (listView1.InvokeRequired)//子线程返回的是true
            {
                RunDele dr = new RunDele(RunDele);
                this.Invoke(dr);//转换成父线程
            }
            else
            {
                listView1.Items.Add(i.ToString());

                i++;
            }
        }
      

        private void Form1_Load(object sender, EventArgs e)
        {

        }
    }
}

 

posted @ 2015-07-02 11:38  王文姿  阅读(433)  评论(0编辑  收藏  举报