最近碰見一個例子，Copy大文件或者網絡訪問的時候處理假死。 那就用多線程加個進度條(只顯示運行，沒有進度)來表示狀態運行吧。好了，廢話少說，上個例子。先看結果圖：

程序說明：

點擊Button，運行一個數據累加器，textBox顯示每次運行的結果，ProgressBar表示運行的狀態。

好了，直接貼代碼：

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 Testpro
{public partial class Form1 : Form{BackgroundWorker work = new BackgroundWorker();public Form1(){InitializeComponent();work.WorkerReportsProgress = true;work.DoWork += Count;work.RunWorkerCompleted += completeRun;Control.CheckForIllegalCrossThreadCalls = false;this.textBox1.ScrollBars = ScrollBars.Both;}private void button1_Click(object sender, EventArgs e){this.progressBar1.Style = ProgressBarStyle.Marquee;work.RunWorkerAsync();}private void Count(object sender, DoWorkEventArgs e){            float num = 0.0f;int cun = 0;while (num < 5000){cun++;num += 4f;              this.textBox1.Text += num.ToString() + "\t" + e.Result;if (cun == 9){textBox1.Text += Environment.NewLine;cun = 0;}}            }public  void SetText(object num){textBox1.Text += num.ToString() + "\n";}private void completeRun(object sender,  RunWorkerCompletedEventArgs e){this.progressBar1.Style = ProgressBarStyle.Blocks;this.textBox1.Text += "complete";MessageBox.Show("Running complete.....");}       }
}

轉載于:https://www.cnblogs.com/jimson/archive/2010/10/19/ThreadBar.html

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