C#获取局域网内所有联网设备的IP地址和MAC地址

C#获取局域网内所有联网设备的IP地址和MAC地址

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.Threading;
using System.Net;
using System.Collections;
using System.Diagnostics;
using System.IO;

namespace findDevice
{
    public partial class Form1 : Form
    {
        public Form1（）
        {
            InitializeComponent（）;
        }

        public class LocalMachine
        {
            public string MachineIP { get; set; }
            public string MachineMAC { get; set; }
            public string MachineName { get; set; }
        }

        static ArrayList GetAllLocalMachines（）
        {
            Process p = new Process（）;
            p.StartInfo.FileName = “cmd.exe“;
            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（“arp -a“）;
            p.StandardInput.WriteLine（“exit“）;
            ArrayList list = new ArrayList（）;
            StreamReader reader = p.StandardOutput;
            for （string line = reader.ReadLine（）; line != null; line = reader.ReadLine（））
            {
                line = line.Trim（）;
                if （line.StartsWith（“192“））
                {
                    string IP = line.Substring（0 15）.Trim（）;
                    string Mac = line.Substring（line.IndexOf（“-“） - 2 0x11）.Trim（）;
                    LocalMachine localMachine = new LocalMachine（）;
                    localMachine.MachineIP = IP;
                    localMachine.MachineMAC = Mac;
                    if （IP.Equals（“192.168.0.1“）） continue;
                    //try
                    //{
                    //    localMachine.MachineName = Dns.GetHostEntry（IP）.HostName;
                    //}
                    //catch
                    //{
                    //    localMachine.MachineName = ““;
                    //    list.Add（localMachine）;
                    //    continue;
                    //}
                    list.Add（localMachine）;
                }
            }
            return list;
        }


        private void button1_Click（object sender EventArgs e）
        {
            textBox1.Text = “刷新列表“;
            ArrayList ththth = GetAllLocalMachines（）;
            if （ththth.Count == 0） return;
            textBox1.Text = ““;
            foreach （LocalMachine machine in ththth）
            {
                string s = string.Format（“{0}     {1}      {2}“ machine.MachineIP machine.MachineMAC machine.MachineName）;
                textBox1.Text = string.Format（“{0}{1}\r\n“ textBox1.Text s）;
            }
        }
        
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件      10752  2013-02-02 16:53  FindNetDevices\findDevice\bin\Debug\findDevice.exe

     文件      24064  2013-02-02 16:53  FindNetDevices\findDevice\bin\Debug\findDevice.pdb

     文件      11600  2013-02-02 17:09  FindNetDevices\findDevice\bin\Debug\findDevice.vshost.exe

     文件        490  2010-03-17 22:39  FindNetDevices\findDevice\bin\Debug\findDevice.vshost.exe.manifest

     文件       3679  2013-02-02 15:30  FindNetDevices\findDevice\findDevice.csproj

     文件       2984  2013-02-02 17:33  FindNetDevices\findDevice\Form1.cs

     文件       2558  2013-02-02 16:11  FindNetDevices\findDevice\Form1.Designer.cs

     文件       5817  2013-02-02 16:11  FindNetDevices\findDevice\Form1.resx

     文件       2152  2013-02-02 15:27  FindNetDevices\findDevice\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

     文件       6199  2013-02-02 16:53  FindNetDevices\findDevice\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件        652  2013-02-02 17:09  FindNetDevices\findDevice\obj\x86\Debug\findDevice.csproj.FileListAbsolute.txt

     文件      10752  2013-02-02 16:53  FindNetDevices\findDevice\obj\x86\Debug\findDevice.exe

     文件        180  2013-02-02 16:15  FindNetDevices\findDevice\obj\x86\Debug\findDevice.Form1.resources

     文件      24064  2013-02-02 16:53  FindNetDevices\findDevice\obj\x86\Debug\findDevice.pdb

     文件        180  2013-02-02 15:30  FindNetDevices\findDevice\obj\x86\Debug\findDevice.Properties.Resources.resources

     文件        220  2013-02-02 16:15  FindNetDevices\findDevice\obj\x86\Debug\GenerateResource.read.1.tlog

     文件        550  2013-02-02 16:15  FindNetDevices\findDevice\obj\x86\Debug\GenerateResource.write.1.tlog

     文件        491  2013-02-02 16:15  FindNetDevices\findDevice\Program.cs

     文件       1370  2013-02-02 15:27  FindNetDevices\findDevice\Properties\AssemblyInfo.cs

     文件       2870  2013-02-02 15:27  FindNetDevices\findDevice\Properties\Resources.Designer.cs

     文件       5612  2013-02-02 15:27  FindNetDevices\findDevice\Properties\Resources.resx

     文件       1095  2013-02-02 15:27  FindNetDevices\findDevice\Properties\Settings.Designer.cs

     文件        249  2013-02-02 15:27  FindNetDevices\findDevice\Properties\Settings.settings

     文件        872  2013-02-02 15:30  FindNetDevices\FindNetDevices.sln

    ..A..H.     20992  2013-02-02 17:09  FindNetDevices\FindNetDevices.suo

     目录          0  2013-02-02 15:27  FindNetDevices\findDevice\obj\x86\Debug\TempPE

     目录          0  2013-02-02 16:53  FindNetDevices\findDevice\obj\x86\Debug

     目录          0  2013-02-02 15:30  FindNetDevices\findDevice\bin\Debug

     目录          0  2013-02-02 15:27  FindNetDevices\findDevice\obj\x86

     目录          0  2013-02-02 15:27  FindNetDevices\findDevice\bin

............此处省略8个文件信息