学步园

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;
using System.Diagnostics;

namespace WindowsFormsApplication12
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        p rivate void button1_Click(object sender, EventArgs e)
        {
            Thread myThread = new Thread(new ThreadStart(threadfun));
            myThread.Start();
        }

        p rivate void threadfun()
        {
            MethodInvoker mi = new MethodInvoker(this.invokefun);
            for (int i = 0; i < 100; i++)
            {
                this.BeginInvoke(mi);
                Thread.Sleep(30);
            }
        }

        p rivate void invokefun()
        {
            if (progressBar1.Value < 100)
            {
                progressBar1.Value += 1;
            }
        }
    }
}
 

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