C# 压缩与解压缩RAR文件的代码

///压缩与解压缩RAR文件
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using Microsoft.Win32;
using System.Diagnostics;

namespace Uni.UniCustoms
{
    public class clsWinrar
    {
        /// <summary>
        /// 是否安装了Winrar
        /// </summary>
        /// <returns></returns>
        static public bool Exists()
        {
            RegistryKey the_Reg =
                Registry.LocalMachine.OpenSubKey(
                    @"SOFTWAREMicrosoftWindowsCurrentVersionApp PathsWinRAR.exe");

            return !string.IsNullOrEmpty(the_Reg.GetValue("").ToString());

       }

       /// <summary>
       /// 打包成Rar
       /// </summary>
       /// <param name="patch"></param>
       /// <param name="rarPatch"></param>
       /// <param name="rarName"></param>
       public void CompressRAR(string patch, string rarPatch, string rarName)
        {
            string the_rar;
            RegistryKey the_Reg;
            object the_Obj;
            string the_Info;
            ProcessStartInfo the_StartInfo;
            Process the_Process;
            try
            {
                the_Reg =
                    Registry.LocalMachine.OpenSubKey(
                         @"SOFTWAREMicrosoftWindowsCurrentVersionApp PathsWinRAR.exe");

                the_Obj = the_Reg.GetValue("");
                the_rar = the_Obj.ToString();
                the_Reg.Close();
                the_rar = the_rar.Substring(1, the_rar.Length - 7);
                Directory.CreateDirectory(patch);
                //命令参数
                //the_Info = " a    " + rarName + " " + @"C:Test?70821.txt"; //文件压缩
                the_Info = " a    " + rarName + " " + patch + " -r"; ;
                the_StartInfo = new ProcessStartInfo();
                the_StartInfo.FileName = the_rar;
                the_StartInfo.Arguments = the_Info;
                the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;

                //打包文件存放目录
                the_StartInfo.WorkingDirectory = rarPatch;
                the_Process = new Process();
                the_Process.StartInfo = the_StartInfo;
                the_Process.Start();
                the_Process.WaitForExit();
                the_Process.Close();
            }
            catch (Exception ex)
            {
                throw ex;
            }
        }
        /// <summary>
        /// 解压
        /// </summary>
        /// <param name="unRarPatch"></param>
        /// <param name="rarPatch"></param>
        /// <param name="rarName"></param>
        /// <returns></returns>

        public string unCompressRAR(string unRarPatch, string rarPatch, string rarName)
        {
            string the_rar;
            RegistryKey the_Reg;
            object the_Obj;
            string the_Info;
            try
            {
                the_Reg =
                    Registry.LocalMachine.OpenSubKey(
                         @"SOFTWAREMicrosoftWindowsCurrentVersionApp PathsWinRAR.exe");

                the_Obj = the_Reg.GetValue("");
                the_rar = the_Obj.ToString();
                the_Reg.Close();
                //the_rar = the_rar.Substring(1, the_rar.Length - 7);

                if (Directory.Exists(unRarPatch) == false)
                {
                    Directory.CreateDirectory(unRarPatch);
                }
                the_Info = "x " + rarName + " " + unRarPatch + " -y";
                ProcessStartInfo the_StartInfo = new ProcessStartInfo();
                the_StartInfo.FileName = the_rar;
                the_StartInfo.Arguments = the_Info;
                the_StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
                the_StartInfo.WorkingDirectory = rarPatch;//获取压缩包路径

                Process the_Process = new Process();
                the_Process.StartInfo = the_StartInfo;
                the_Process.Start();
                the_Process.WaitForExit();
                the_Process.Close();
            }
            catch (Exception ex)
            {
                throw ex;
            }
            return unRarPatch;
        }
    }
}