c#（WinForm）遍历局域网计算机（电脑）获取IP和计算机名称

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Net;

using System.Net.NetworkInformation;

using System.IO;

using System.Collections;

using System.Diagnostics;

using System.DirectoryServices;

using System.Management;

namespace SocketTransferFile

{

    /// <summary>

    ///

    /// </summary>

    public partial class Form1 : Form

    {

        //局域网计算机列表

        List<LocalMachine> machineList = new List<LocalMachine>();

        //Form构造函数

        public Form1()

        {

            InitializeComponent();

            InitData();

        }

        /// <summary>

        /// 初始化数据

        /// </summary>

        private void InitData()

        {

            lvLocalMachine.Items.Clear();

            machineList.Clear();

            //获取当前域的计算机列表

            label4.Text = DateTime.Now.ToString();

            GetAllLocalMachines();

            foreach (LocalMachine machine in machineList)

            {

                ListViewItem item = new ListViewItem(new string[] { machine.Name, machine.IP });

                lvLocalMachine.Items.Add(item);

            }

            label5.Text = DateTime.Now.ToString();

            //获取Active Directory中的计算机节点

            //label4.Text = DateTime.Now.ToString();

            //EnumComputers();

            //label5.Text = DateTime.Now.ToString();

            //获取指定IP范围内的计算机

            //label4.Text = DateTime.Now.ToString();

            //EnumComputersByPing();

            //label5.Text = DateTime.Now.ToString();

        }

        /// <summary>

        /// Handles the Click event of the button1 control.

        /// </summary>

        /// <param name="sender">The source of the event.</param>

        /// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>

        private void button1_Click(object sender, EventArgs e)

        {

            InitData();

        }

        /// <summary>

        /// 获取指定IP范围内的计算机

        /// </summary>

        private void EnumComputersByPing()

        {

            try

            {

                for (int i = 1; i <= 254; i++)

                {

                    Ping myPing;

                    myPing = new Ping();

                    myPing.PingCompleted += new PingCompletedEventHandler(_myPing_PingCompleted);

                    string pingIP = "192.168.1." + i.ToString();

                    myPing.SendAsync(pingIP, 1000, null);

                }

            }

            catch

            {

            }

        }

        /// <summary>

        /// Handles the PingCompleted event of the _myPing control.

        /// </summary>

        /// <param name="sender">The source of the event.</param>

        /// <param name="e">The <see cref="System.Net.NetworkInformation.PingCompletedEventArgs"/> instance containing the event data.</param>

        private void _myPing_PingCompleted(object sender, PingCompletedEventArgs e)

        {

            if (e.Reply.Status == IPStatus.Success)

            {

                LocalMachine localMachine = new LocalMachine();

                localMachine.IP = e.Reply.Address.ToString();

                //localMachine.Name = Dns.GetHostByAddress(IPAddress.Parse(e.Reply.Address.ToString())).HostName;

                localMachine.Name = Dns.Resolve(e.Reply.Address.ToString()).HostName;

                ListViewItem item = new ListViewItem(new string[] { localMachine.Name, localMachine.IP });

                lvLocalMachine.Items.Add(item);

            }

        }

        /// <summary>

        /// 获取Active Directory中的计算机节点

        /// </summary>

        private void EnumComputers()

        {

            using (DirectoryEntry root = new DirectoryEntry("WinNT:"))

            {

                foreach (DirectoryEntry domain in root.Children)

                {

                    foreach (DirectoryEntry computer in domain.Children)

                    {

                        if (computer.Name == "Schema")

                        {

                            continue;

                        }

                        try

                        {

                            LocalMachine localMachine = new LocalMachine();

                            localMachine.IP = Dns.GetHostEntry(computer.Name).AddressList[0].ToString();

                            localMachine.Name = computer.Name;

                            ListViewItem item = new ListViewItem(new string[] { localMachine.Name, localMachine.IP });

                            lvLocalMachine.Items.Add(item);

                        }

                        catch

                        {

                        }

                    }

                }

            }

        }

        /// <summary>

        /// 获取当前域的计算机列表

        /// </summary>

        /// <returns></returns>

        private void GetAllLocalMachines()

        {

            Process p = new Process();

            p.StartInfo.FileName = "net";

            p.StartInfo.Arguments = "view";

            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("exit");

            StreamReader reader = p.StandardOutput;

            for (string line = reader.ReadLine(); line != null; line = reader.ReadLine())

            {

                line = line.Trim();

                if (line.StartsWith(@"\\"))

                {

                    string name = line.Substring(2).Trim();

                    //如果有路由器，会列出路由器，但是获取不到IP地址，会报错

                    try

                    {

                        LocalMachine localMachine = new LocalMachine();

                        localMachine.IP = Dns.GetHostEntry(name).AddressList[0].ToString();

                        localMachine.Name = name;

                        machineList.Add(localMachine);

                    }

                    catch

                    {

                    }

                }

            }

        }

    }

public class LocalMachine

{

    public string IP { get; set; }

    public string Name { get; set; }

}

}