开多线程加委托刷界面(不卡死)

C#语言基础

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开发语言：C#
实例大小：0.05M
下载次数：127
浏览次数：748
发布时间：2018-08-24
实例类别：C#语言基础
发布人：f394877241
文件格式：.rar
所需积分：2

相关标签：多线程线程委托界面

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实例介绍

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【实例简介】防止界面假死

【实例截图】

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Threading;

namespace WindowsFormsApplication4
{
    public partial class Form1 : Form
    {
        public delegate void delSum(string text);
        public delSum delsum;
        public delegate void delMult(string text);
        public delMult delmult;
        public volatile bool Ems = false;

        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            delsum = new delSum(UpdateSum);
            Thread Tsum = new Thread(new ThreadStart(Sum));
            Tsum.Start();
        }

        void Sum()
        {
            long sum = 0;
            for (long i = 0; i <= 1000000; i )
            {
                sum = i;
                this.Invoke(delsum, sum.ToString());
                Thread.Sleep(1);
                if (Ems) break;
            }

        }
      public void UpdateSum(string text)
        {

textBox1.Text = text;
}

        private void button2_Click(object sender, EventArgs e)
        {
            delmult = new delMult(UpdateSum1);
            Thread Tmum = new Thread(new ThreadStart(Sum1));
            Tmum.Start();
        }

void Sum1()
{

            long sum = 1000000;
            for (long i = 1000000; i >0 ; i--)
            {
                sum = i;
                this.Invoke(delmult, sum.ToString());
                Thread.Sleep(1);
                if (Ems) break;
            }
        }

public void UpdateSum1(string text)
{

textBox2.Text = text;
}

        private void button3_Click(object sender, EventArgs e)
        {
            if (Ems)
            {
                Ems = false;
                button3.Text = "停止线程";
                button3.BackColor = Color.Red;
            }
            else
            {
                Ems = true;
                button3.Text = "开启线程";
                button3.BackColor = Color.Green;
            }

}

}
}

标签： 多线程线程委托界面

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