C# 搜索局域网内的计算机列表

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

using System.DirectoryServices;
namespace Ex14_13
{
    public partial class Form1 : Form
    {
        public Form1（）
        {
            InitializeComponent（）; 
        }
        //
        private void Form1_Load（object sender EventArgs e）
        {
           GroupInfo（）;
        }
        //
        private void GroupInfo（）
        {
            
            DirectoryEntry MainGroup = new DirectoryEntry（“WinNT:“）;
            foreach （DirectoryEntry domain in MainGroup.Children）
            {
                listBox1.Text = ““;
                listBox1.Items.Add（domain.Name）;
            

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2010-04-06 13:10  Ex14_13\
     文件         910  2007-07-11 11:34  Ex14_13.sln
     文件       16384  2007-07-11 11:34  Ex14_13.suo
     目录           0  2010-04-06 13:10  Ex14_13\bin\
     目录           0  2010-04-06 13:10  Ex14_13\bin\Debug\
     文件       20480  2007-07-11 11:34  Ex14_13\bin\Debug\Ex14_13.exe
     文件       22016  2007-07-11 11:34  Ex14_13\bin\Debug\Ex14_13.pdb
     文件        5632  2007-07-11 11:34  Ex14_13\bin\Debug\Ex14_13.vshost.exe
     文件        3275  2007-07-11 11:34  Ex14_13\Ex14_13.csproj
     文件        1886  2007-07-11 11:34  Ex14_13\Form1.cs
     文件        4126  2007-07-11 11:34  Ex14_13\Form1.Designer.cs
     文件        5814  2007-07-11 11:34  Ex14_13\Form1.resx
     目录           0  2010-04-06 13:10  Ex14_13\obj\
     目录           0  2010-04-06 13:10  Ex14_13\obj\Debug\
     文件         842  2007-07-11 11:34  Ex14_13\obj\Debug\Ex14_13.csproj.GenerateResource.Cache
     文件       20480  2007-07-11 11:34  Ex14_13\obj\Debug\Ex14_13.exe
     文件         180  2007-07-11 11:34  Ex14_13\obj\Debug\Ex14_13.Form1.resources
     文件       22016  2007-07-11 11:34  Ex14_13\obj\Debug\Ex14_13.pdb
     文件         180  2007-07-11 11:34  Ex14_13\obj\Debug\Ex14_13.Properties.Resources.resources
     目录           0  2010-04-06 13:10  Ex14_13\obj\Debug\TempPE\
     文件         268  2007-07-11 11:34  Ex14_13\obj\Ex14_13.csproj.FileList.txt
     文件         466  2007-07-11 11:34  Ex14_13\Program.cs
     目录           0  2010-04-06 13:10  Ex14_13\Properties\
     文件        1162  2007-07-11 11:34  Ex14_13\Properties\AssemblyInfo.cs
     文件        2868  2007-07-11 11:34  Ex14_13\Properties\Resources.Designer.cs
     文件        5612  2007-07-11 11:34  Ex14_13\Properties\Resources.resx
     文件        1090  2007-07-11 11:34  Ex14_13\Properties\Settings.Designer.cs
     文件         249  2007-07-11 11:34  Ex14_13\Properties\Settings.settings
     目录           0  2010-04-06 13:10  Ex14_15\
     目录           0  2010-04-06 13:10  Ex14_15\Ex14_15\
     文件         910  2007-07-11 11:34  Ex14_15\Ex14_15.sln
............此处省略26个文件信息