C# 压缩文件的方法

 /// <summary>
        /// 利用 WinRAR 进行压缩
        /// </summary>
        /// <param name="path">将要被压缩的文件夹（绝对路径）</param>
        /// <param name="rarPath">压缩后的 .rar 的存放目录（绝对路径）</param>
        /// <param name="rarName">压缩文件的名称（包括后缀）</param>
        /// <returns>true 或 false。压缩成功返回 true，反之，false。</returns>
        public bool CreatRar(string path, string rarPath, string rarName)
        {
            bool flag = false;
            string rarexe; //WinRAR.exe 的完整路径
            RegistryKey regkey; //注册表键
            Object regvalue; //键值
            string cmd; //WinRAR 命令参数
            ProcessStartInfo startinfo;
            Process process;
            try
            {
                regkey = Registry.LocalMachine.OpenSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\WinRAR.exe");
                regvalue = regkey.GetValue(""); // 键值为 "d:\Program Files\WinRAR\WinRAR.exe" "%1"
                rarexe = regvalue.ToString();
                regkey.Close();
                //rarexe = rarexe.Substring(1, rarexe.Length - 7); // d:\Program Files\WinRAR\WinRAR.exe

                Directory.CreateDirectory(path);
                //压缩命令，相当于在要压缩的文件夹(path)上点右键->WinRAR->添加到压缩文件->输入压缩文件名(rarName)
                cmd = string.Format("a {0} {1} -r",
                rarName,
                path);
                startinfo = new ProcessStartInfo();
                startinfo.FileName = rarexe;
                startinfo.Arguments = cmd; //设置命令参数
                startinfo.WindowStyle = ProcessWindowStyle.Hidden; //隐藏 WinRAR 窗口

                startinfo.WorkingDirectory = rarPath;
                process = new Process();
                process.StartInfo = startinfo;
                process.Start();
                process.WaitForExit(); //无限期等待进程 winrar.exe 退出
                if (process.HasExited)
                {
                    flag = true;
                }
                process.Close();
            }
            catch (Exception e)
            {
                throw e;
            }
            return flag;
        }