asp.net利用RAR实现文件压缩解压缩

以下是引用片段：
后台代码：
  
  using System;
  using System.Data;
  using System.Configuration;
  using System.Web;
  using System.Web.Security;
  using System.Web.UI;
  using System.Web.UI.WebControls;
  using System.Web.UI.WebControls.WebParts;
  using System.Web.UI.HtmlControls;
  using System.IO;
  using System.Runtime.InteropServices;
  using Microsoft.Win32;
  using System.Diagnostics;
  public partial class _Default : System.Web.UI.Page
  ...{
   protected void Page_Load(object sender, EventArgs e)
   ...{
   //清清月儿 http://blog.csdn.net/21aspnet/
   }
   protected void Button1_Click(object sender, EventArgs e)
   ...{
   //压缩
   String the_rar;
   RegistryKey the_Reg;
   Object the_Obj;
   String the_Info;
   ProcessStartInfo the_StartInfo;
   Process the_Process;
   try
   ...{
   the_Reg = Registry.ClassesRoot.OpenSubKey("Applications\WinRAR.exe\Shell\Open\Command");
   the_Obj = the_Reg.GetValue("");
   the_rar = the_Obj.ToString();
   the_Reg.Close();
   the_rar = the_rar.Substring(1, the_rar.Length - 7);
   the_Info = " a " + " 1.rar " + " " + "C:\1\1.txt";
   the_StartInfo = new ProcessStartInfo();
   the_StartInfo.FileName = the_rar;
   the_StartInfo.Arguments = the_Info;
   the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
   the_StartInfo.WorkingDirectory = "C:\1";//获取或设置要启动的进程的初始目录。
   the_Process = new Process();
   the_Process.StartInfo = the_StartInfo;
   the_Process.Start();
   Response.Write("压缩成功");
   }
   catch (Exception ex)
   ...{
   Response.Write(ex.ToString());
   }
   }
   protected void Button2_Click(object sender, EventArgs e)
   ...{
   //解压缩
   String the_rar;
   RegistryKey the_Reg;
   Object the_Obj;
   String the_Info;
   ProcessStartInfo the_StartInfo;
   Process the_Process;
   try
   ...{
   the_Reg = Registry.ClassesRoot.OpenSubKey("Applications\WinRar.exe\Shell\Open\Command");
   the_Obj = the_Reg.GetValue("");
   the_rar = the_Obj.ToString();
   the_Reg.Close();
   the_rar = the_rar.Substring(1, the_rar.Length - 7);
   the_Info = " X " + " 1.rar " + " " + "C:\1";
   the_StartInfo = new ProcessStartInfo();
   the_StartInfo.FileName = the_rar;
   the_StartInfo.Arguments = the_Info;
   the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
   the_Process = new Process();
   the_Process.StartInfo = the_StartInfo;
   the_Process.Start();
   Response.Write("解压缩成功");
   }
   catch (Exception ex)
   ...{
   Response.Write(ex.ToString());
   }
   }
  }

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