zip压缩、解压、进度条

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
using System.Text.Regularexpressions;
using ICSharpCode.SharpZipLib.Zip;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        BackgroundWorker worker = new BackgroundWorker（）;
        public Form1（）
        {
            InitializeComponent（）;
            worker.WorkerSupportsCancellation = true;//是否支持异步取消
            worker.WorkerReportsProgress = true;//能否报告进度更新
            worker.DoWork += Worker_DoWork;
        }


        int value;
        private void button1_Click（object sender EventArgs e）

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-06-27 17:49  WindowsFormsApplication1\
     目录           0  2017-06-27 17:49  WindowsFormsApplication1\.vs\
     目录           0  2017-06-27 17:49  WindowsFormsApplication1\.vs\WindowsFormsApplication1\
     目录           0  2017-06-27 17:49  WindowsFormsApplication1\.vs\WindowsFormsApplication1\v14\
     文件       78336  2017-07-11 16:55  WindowsFormsApplication1\.vs\WindowsFormsApplication1\v14\.suo
     目录           0  2017-07-11 16:55  WindowsFormsApplication1\WindowsFormsApplication1\
     文件         189  2017-06-27 17:49  WindowsFormsApplication1\WindowsFormsApplication1\App.config
     文件        7210  2017-07-11 15:54  WindowsFormsApplication1\WindowsFormsApplication1\Form1.Designer.cs
     文件       10519  2017-07-11 16:55  WindowsFormsApplication1\WindowsFormsApplication1\Form1.cs
     文件        5817  2017-07-11 15:54  WindowsFormsApplication1\WindowsFormsApplication1\Form1.resx
     文件         536  2017-06-27 17:49  WindowsFormsApplication1\WindowsFormsApplication1\Program.cs
     文件        2716  2017-07-06 14:58  WindowsFormsApplication1\WindowsFormsApplication1\ProgressBar.Designer.cs
     文件        1436  2017-07-11 16:55  WindowsFormsApplication1\WindowsFormsApplication1\ProgressBar.cs
     文件        5817  2017-07-06 14:58  WindowsFormsApplication1\WindowsFormsApplication1\ProgressBar.resx
     目录           0  2017-06-27 17:49  WindowsFormsApplication1\WindowsFormsApplication1\Properties\
     文件        1374  2017-06-27 17:49  WindowsFormsApplication1\WindowsFormsApplication1\Properties\AssemblyInfo.cs
     文件        2861  2017-06-27 17:49  WindowsFormsApplication1\WindowsFormsApplication1\Properties\Resources.Designer.cs
     文件        5612  2017-06-27 17:49  WindowsFormsApplication1\WindowsFormsApplication1\Properties\Resources.resx
     文件        1111  2017-06-27 17:49  WindowsFormsApplication1\WindowsFormsApplication1\Properties\Settings.Designer.cs
     文件         249  2017-06-27 17:49  WindowsFormsApplication1\WindowsFormsApplication1\Properties\Settings.settings
     文件        4727  2017-07-05 11:25  WindowsFormsApplication1\WindowsFormsApplication1\WindowsFormsApplication1.csproj
     目录           0  2017-06-27 17:49  WindowsFormsApplication1\WindowsFormsApplication1\bin\
     目录           0  2017-07-07 11:23  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\
     目录           0  2017-07-07 11:23  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\Desktop\
     目录           0  2017-07-07 11:23  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\Desktop\MIMO_FRF2.2-Copyaaaaaaaa\
     目录           0  2017-07-11 16:56  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\Desktop\MIMO_FRF2.2-Copyaaaaaaaa\DataFiles\
     文件     7749632  2016-10-22 10:35  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\DevComponents.DotNetBar2.dll
     文件      196608  2010-05-25 12:55  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\ICSharpCode.SharpZipLib.dll
     文件       16896  2017-07-11 15:54  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe
     文件         189  2017-06-27 17:49  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe.config
     文件       32256  2017-07-11 15:54  WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.pdb
............此处省略20个文件信息