public void ExecuteDOS(string command, int seconds)
        {
            //string output = ""; // 输出字符串
            if (command!=null&&!command.Equals(""))
            {
                Process process = new Process(); //创建进程对象
                ProcessStartInfo startInfo = new ProcessStartInfo();
                startInfo.FileName = "cmd.exe";
                startInfo.Arguments = "/C "+command;
                //startInfo.Arguments = "/x " + command;
                startInfo.UseShellExecute = false;  // 不使用系统外壳true,false
                startInfo.RedirectStandardInput = false;    //不重定向输入false
                startInfo.RedirectStandardOutput = true;  // false true//重定向输出
                startInfo.CreateNoWindow = true;//false;true            //不创建窗口
                process.StartInfo = startInfo;
                try
                {
                    /*
                     * 同步掉用
                    if (process.Start())    // 开始进程
                    {
                        if (seconds == 0)
                        {
                            process.WaitForExit();  //这里无限等待进程结束
                        }
                        else
                        {
                            process.WaitForExit(seconds);   //等待进程结束，等待时间为指定的毫秒
                        }
                        output = process.StandardOutput.ReadToEnd();    //读取进程的输出
                        InsertMessage(output);
                    }
                    
                     */
                    /*
                     * 异步调用
                     */
                    process.OutputDataReceived += new DataReceivedEventHandler(cmdProcess_OutputDataReceived);
                    process.Start();
                    process.BeginOutputReadLine();
                    //Application.DoEvents();

                }
                catch (System.Exception ex)
                {
                }
                finally
                {
                }
            }
        }