C#执行批处理命令

using System.Diagnostics ;

using System.IO;

private void btnRun_Click(object sender, EventArgs e)
        {
            txtResult.Text = "";
            processCommand("Ping.exe", this.txtAddress.Text);
            processCommand("Ping.exe", this.txtAddress.Text);
        }

public void processCommand(string commandName, string argument)
        {
            ProcessStartInfo start = new ProcessStartInfo(commandName);//设置运行的命令行文件问ping.exe文件，这个文件系统会自己找到
            //如果是其它exe文件，则有可能需要指定详细路径，如运行winRar.exe
            start.WorkingDirectory = "d:\\360Downloads\\";
            start.Arguments = argument;//设置命令参数
            start.CreateNoWindow = true;//不显示dos命令行窗口
            start.RedirectStandardOutput = true;//
            start.RedirectStandardInput = true;//
            start.UseShellExecute = false;//是否指定操作系统外壳进程启动程序
            txtResult.AppendText(start.WorkingDirectory  + "\n");
            Process p = Process.Start(start);
            StreamReader reader = p.StandardOutput;//截取输出流
            string line = reader.ReadLine();//每次读取一行
            while (!reader.EndOfStream)
            {
                txtResult.AppendText(line + "\n");
                line = reader.ReadLine();
            }
            p.WaitForExit();//等待程序执行完退出进程
            p.Close();//关闭进程
            reader.Close();//关闭流
        }