把指定的文件壓縮指定的rar文件

using System;
using Microsoft.Win32;
using System.IO;
using System.Diagnostics;
using System.Text;
public class DecompressRARTool
{
    /// <summary>
    /// 解壓縮指定的rar文件。
    /// </summary>
    /// <param name="rarFileToDecompress">rar文件（絕對路徑）。</param>
    /// <param name="directoryToSave">解壓縮保存的目錄。</param>
    /// <param name="deleteRarFile">解壓縮後刪除rar文件。</param>
    public void DecompressRAR(string rarFileToDecompress, string directoryToSave, bool deleteRarFile)
    {
        String the_rar;
        RegistryKey the_Reg;
        Object the_Obj;

        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);

        string winrarExe = the_rar;//需要在指定路徑下放入winara.exe的可執行文件在安裝目錄下可以找到這個文件
        if (new FileInfo(winrarExe).Exists)
        {
            //directoryToSave = CheckDirectoryName(directoryToSave);
            try
            {
                Process p = new Process();
                // 需要啟動的程序名
                p.StartInf

o.FileName = winrarExe;
                // 參數
                string arguments = @"x -inul -y -o+";
                arguments += " " + rarFileToDecompress + " " + directoryToSave;

                p.StartInfo.Arguments = arguments;

                p.Start();//啟動
                while (!p.HasExited)
                {
                }
                p.WaitForExit();
            }
            catch (Exception ee)
            {
                throw new Exception("壓縮文件在解壓縮的過程中出現了錯誤！");
            }

            if (deleteRarFile)
            {
                File.Delete(rarFileToDecompress);
            }
        }
        else
        {
            throw new Exception("本機上缺少必須的Ｗinrar.exe文件，不能完成相應操作請聯系管理員安裝WinRar解壓工具!");

        }
    }

}