////启动最新版本安装(后台安装模式)，结束更新程序
            //string cabPath = @"\Application Data\QY.DDM.PDA.CAB";
            //string parm = @"/noaskdest /noui """ + cabPath + @"""";

            //ProcessStartInfo psi = new ProcessStartInfo(@"\Windows\wceload.exe", parm);
            //Process p = new Process();
            //p.StartInfo = psi;
            //bool res = p.Start();
            //p.WaitForExit();

PDA后台运行、安装程序