Net Core教程

C# 多线程 progressbar 界面不卡顿简单用法

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多线程进度条的简单使用,界面不卡顿。如下图:

 

简单源码如下:

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
{
    /// <summary>
    /// 多线程测试-简单实例
    /// </summary>
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void btnThread_Click(object sender, EventArgs e)
        {
            progressBar1.Value = 0;
            progressBar1.Maximum = 100;
            progressBar1.Minimum = 0;
            progressBar1.Step = 1;

            progressBar2.Value = 0;
            progressBar2.Maximum = 100;
            progressBar2.Minimum = 0;
            progressBar2.Step = 1;

            Task.Factory.StartNew(StartProcess1);
            Task.Factory.StartNew(StartProcess2);
        }
        
        private void StartProcess1()
        {
            for (int i = 0; i < 10000; i++)
            {
                //执行业务逻辑。



                if (i % 100 == 0)
                {
                    Invoke(new Action(viewProcess1));

                    Thread.Sleep(100);
                }
           
            }
        
        }

        private void viewProcess1()
        {
            progressBar1.Value += progressBar1.Step; //让进度条增加一次
            lblProcess1.Text = progressBar1.Value.ToString() + "%";
        }


        private void StartProcess2()
        {
            for (int i = 0; i < 10000; i++)
            {

                //执行业务逻辑。


                if (i % 100 == 0)
                {
                    Invoke(new Action(viewProcess2));

                    Thread.Sleep(100);
                }
            }


        }
        private void viewProcess2()
        {
            progressBar2.Value += progressBar2.Step ;

            lblProcess2.Text = progressBar2.Value.ToString() + "%";
        }

    }
}

 

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