C# 获取当前机器的ip地址

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

using System.Net;

namespace Ex14_02
{
    public partial class Form1 : Form
    {
        public Form1（）
        {
            InitializeComponent（）;
        }

        private void Form1_Load（object sender EventArgs e）
        {
            
        }

        private void button2_Click（object sender EventArgs e）
        {
            IPAddress[] ip=null;
            try
            {
              ip  = Dns.GetHostAddresses（this.textBox1.Text）;
            }
            catch （Exception ey）
            {
                MessageBox.Show（ey.Message）;
                this.textBox1.Focus（）;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2010-04-06 13:10  Ex14_02\
     文件         910  2007-07-11 11:34  Ex14_02.sln
     文件       14336  2007-07-11 11:34  Ex14_02.suo
     目录           0  2010-04-06 13:10  Ex14_02\bin\
     目录           0  2010-04-06 13:10  Ex14_02\bin\Debug\
     文件       20480  2007-07-11 11:34  Ex14_02\bin\Debug\Ex14_02.exe
     文件       22016  2007-07-11 11:34  Ex14_02\bin\Debug\Ex14_02.pdb
     文件        5632  2007-07-11 11:34  Ex14_02\bin\Debug\Ex14_02.vshost.exe
     文件        3221  2007-07-11 11:34  Ex14_02\Ex14_02.csproj
     文件         957  2007-07-11 11:34  Ex14_02\Form1.cs
     文件        4100  2007-07-11 11:34  Ex14_02\Form1.Designer.cs
     文件        5814  2007-07-11 11:34  Ex14_02\Form1.resx
     目录           0  2010-04-06 13:10  Ex14_02\obj\
     目录           0  2010-04-06 13:10  Ex14_02\obj\Debug\
     文件         842  2007-07-11 11:34  Ex14_02\obj\Debug\Ex14_02.csproj.GenerateResource.Cache
     文件       20480  2007-07-11 11:34  Ex14_02\obj\Debug\Ex14_02.exe
     文件         180  2007-07-11 11:34  Ex14_02\obj\Debug\Ex14_02.Form1.resources
     文件       22016  2007-07-11 11:34  Ex14_02\obj\Debug\Ex14_02.pdb
     文件         180  2007-07-11 11:34  Ex14_02\obj\Debug\Ex14_02.Properties.Resources.resources
     文件         842  2007-07-11 11:34  Ex14_02\obj\Debug\Ex14_03.csproj.GenerateResource.Cache
     文件       20480  2007-07-11 11:34  Ex14_02\obj\Debug\Ex14_03.exe
     文件         180  2007-07-11 11:34  Ex14_02\obj\Debug\Ex14_03.Form1.resources
     文件       26112  2007-07-11 11:34  Ex14_02\obj\Debug\Ex14_03.pdb
     文件         180  2007-07-11 11:34  Ex14_02\obj\Debug\Ex14_03.Properties.Resources.resources
     目录           0  2010-04-06 13:10  Ex14_02\obj\Debug\TempPE\
     文件         268  2007-07-11 11:34  Ex14_02\obj\Ex14_02.csproj.FileList.txt
     文件         268  2007-07-11 11:34  Ex14_02\obj\Ex14_03.csproj.FileList.txt
     文件         466  2007-07-11 11:34  Ex14_02\Program.cs
     目录           0  2010-04-06 13:10  Ex14_02\Properties\
     文件        1162  2007-07-11 11:34  Ex14_02\Properties\AssemblyInfo.cs
     文件        2868  2007-07-11 11:34  Ex14_02\Properties\Resources.Designer.cs
............此处省略31个文件信息