C#进度条的示例代码。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Threading;
namespace temp
{
    delegate void SetValueCallback(int value);
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            Thread t = new Thread(new ThreadStart(Foo));
            t.Start();
        }
        private void Foo()
        {
            for (int i = 1; i