cmd窗口获取数据，不间断ping

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Threading;

namespace 测试另外一套代码
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        System.IO.StreamWriter sw;  // 定义输出流 sw 作为Shell的标准输入，即命令 
        System.IO.StreamReader sr;  // 定义输出流 sr 作为Shell的标准输出，即正常结果
        System.IO.StreamReader err; // 定义输出流 err 作为Shell的错误输出，即出错结果
        System.Diagnostics.Process p = new System.Diagnostics.Process();
        System.Diagnostics.ProcessStartInfo psI = new System.Diagnostics.ProcessStartInfo(System.Environment.GetEnvironmentVariable("ComSpec"));


        delegate void chandle(string s);
        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            Thread tt = new Thread(new ThreadStart(t));
            tt.Start();
        }
        private void t()
        {
            //p.StartInfo.WorkingDirectory = @"E:\TQ\";
            p.StartInfo.FileName = @"E:\TQ\tq.exe";
            //p.StartInfo.Arguments = @"I:\kn\m12\m12..ac3 I:\kn\m12\au2.wav";
            p.OutputDataReceived += new DataReceivedEventHandler(p_OutputDataReceived);
            p.ErrorDataReceived += new DataReceivedEventHandler(p_ErrorDataReceived);//这里多了这句
            p.StartInfo.UseShellExecute = false;
            p.StartInfo.RedirectStandardInput = true;
            p.StartInfo.RedirectStandardOutput = true;
            p.StartInfo.RedirectStandardError = true;
            //p.StartInfo.CreateNoWindow = true;



            p.Start();
            //p.StandardInput.WriteLine("ping www.china.com -t");
            //p.StartInfo.Arguments = " www.china.com -t";
            //p.BeginErrorReadLine(); //这里多了这句
            p.BeginOutputReadLine();
            p.WaitForExit();


        }

        void p_OutputDataReceived(object sender, DataReceivedEventArgs e)
        {
            if (!string.IsNullOrEmpty(e.Data))
            {             // 做点工作
                Invoke(new chandle(ct), e.Data);
            }
        }
        void p_ErrorDataReceived(object sender, DataReceivedEventArgs e)
        {
            if (!string.IsNullOrEmpty(e.Data))
            {             // 做点工作
                Invoke(new chandle(ct), e.Data);
            }
        }
        private void ct(string s)
        {
            textBox1.AppendText(s.Trim() + "\n");
            textBox1.SelectionStart = textBox1.Text.Length - 1;
            Application.DoEvents();
        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            //p.Dispose();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            psI.UseShellExecute = false;
            psI.RedirectStandardInput = true;
            psI.RedirectStandardOutput = true;
            psI.RedirectStandardError = true;
            psI.CreateNoWindow = true;
            p.StartInfo = psI;
            Cursor = System.Windows.Forms.Cursors.WaitCursor;

            p.Start();
            sw = p.StandardInput;
            sr = p.StandardOutput;
            err = p.StandardError;
            sw.AutoFlush = true;
            if (coboCommand.Text != "")
            {
                sw.WriteLine(coboCommand.Text);
            }
            else
            {
                sw.WriteLine("echo 未输入命令");
            }
            sw.Close();
            textBox1.Text = "输出结果为:" + sr.ReadToEnd();
            textBox1.Text += "\n错误信息:\n" + err.ReadToEnd();
            Cursor = System.Windows.Forms.Cursors.Default;
        }

        private void coboCommand_SelectedIndexChanged(object sender, EventArgs e)
        {

        }

        private void button3_Click(object sender, EventArgs e)
        {

        }
        
    }
}