C#執行批處理命令

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);//設置運行的命令行文件問ping.exe文件，這個文件系統會自己找到
            //如果是其它exe文件，則有可能需要指定詳細路徑，如運行winRar.exe
            start.WorkingDirectory = "d:\360Downloads\";
            start.Arguments = argument;//設置命令參數
            start.CreateNoWindow = true;//不顯示dos命令行窗口
            start.RedirectStandardOutput = true;//
            start.RedirectStandardInput = true;//
            start.UseShellExecute = false;//是否指定操作系統外殼進程啟動程序
            txtResult.AppendText(start.WorkingDirectory  + " ");
            Process p = Process.Start(start);
            StreamReader reader = p.StandardOutput;//截取輸出流
            string line = reader.ReadLine();//每次讀取一行
            while (!reader.EndOfStream)
            {
                txtResult.AppendText(line + " ");
                line = reader.ReadLine();
            }
            p.WaitForExit();//等待程序執行完退出進程
            p.Close();//關閉進程
            reader.Close();//關閉流
        }