C# 解壓RAR壓縮文件

 /// 解壓文件(不帶密碼) RAR壓縮程序  返回解壓出來的文件數量
        /// </summary>
        /// <param name="destPath">解壓至目錄</param>
        /// <param name="rarfilePath">壓縮文件路徑</param>
        public static int RARToFileEmail(string destPath, string rarfilePath)
        {
            try
            {
                //組合出需要shell的完整格式
                string shellArguments = string.Format("x -o+ \"{0}\" \"{1}\\\"",
                    rarfilePath, destPath);

                //用Process調用
                using (Process unrar = new Process())
                {
                    unrar.StartInfo.FileName = "winrar.exe";
                    unrar.StartInfo.Arguments = shellArguments;
                    //隱藏rar本身的窗口
                    unrar.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
                    unrar.Start();
                    //等待解壓完成
                    unrar.WaitForExit();
                    unrar.Close();
                }
                //統計解壓後的目錄和文件數
                //string str=string.Format("解壓完成，共解壓出：{0}個目錄，{1}個文件",
                //    di.GetDirectories().Length, di.GetFiles().Length);
                //return str;
            }
            catch (Exception ex)
            {
                return 0;
            }
            DirectoryInfo di = new DirectoryInfo(destPath);
            int dirfileCount = 0;
            foreach (System.IO.DirectoryInfo dir in di.GetDirectories())
            {
                dirfileCount++;
            }
            foreach (System.IO.FileInfo item in di.GetFiles())
            {
                dirfileCount++;
            }
            return dirfileCount;
        }