c#dns解析示例

2007-11-22 16:05

using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

using System.Net;

namespace WindowsApplication2

{

/// <summary>

/// Form1 的摘要說明。

/// </summary>

public class Form1 : System.Windows.Forms.Form

   private System.Windows.Forms.Label label1;

   private System.Windows.Forms.Label label2;

   private System.Windows.Forms.TextBox ip1;

   private System.Windows.Forms.TextBox domain1;

   private System.Windows.Forms.TextBox domain2;

   private System.Windows.Forms.Label label3;

   private System.Windows.Forms.TextBox ip2;

   private System.Windows.Forms.Button button1;

   private System.Windows.Forms.Button button2;

   private System.Windows.Forms.Label label4;

   private System.Windows.Forms.Label label5;

   /// <summary>

   /// 必需的設計器變量。

   /// </summary>

   /// 

   private System.ComponentModel.Container components = null;

   public Form1()

   {

    //

    // Windows 窗體設計器支援所必需的

    InitializeComponent();

    // TODO: 在 InitializeComponent 調用後添加任何構造函數代碼

   }

   /// 清理所有正在使用的資源。

   protected override void Dispose( bool disposing )

    if( disposing )

    {

     if (components != null) 

     {

      components.Dispose();

     }

    }

    base.Dispose( disposing );

   #region Windows 窗體設計器生成的代碼

   /// 設計器支援所需的方法 - 不要使用代碼編輯器修改

   /// 此方法的内容。

   private void InitializeComponent()

    this.label1 = new System.Windows.Forms.Label();

    this.label2 = new System.Windows.Forms.Label();

    this.ip1 = new System.Windows.Forms.TextBox();

    this.domain1 = new System.Windows.Forms.TextBox();

    this.domain2 = new System.Windows.Forms.TextBox();

    this.label3 = new System.Windows.Forms.Label();

    this.ip2 = new System.Windows.Forms.TextBox();

    this.button1 = new System.Windows.Forms.Button();

    this.button2 = new System.Windows.Forms.Button();

    this.label4 = new System.Windows.Forms.Label();

    this.label5 = new System.Windows.Forms.Label();

    this.SuspendLayout();

    // 

    // label1

    this.label1.Location = new System.Drawing.Point(136, 16);

    this.label1.Name = "label1";

    this.label1.TabIndex = 0;

    this.label1.Text = "域名解析";

    // label2

    this.label2.Location = new System.Drawing.Point(144, 56);

    this.label2.Name = "label2";

    this.label2.Size = new System.Drawing.Size(72, 16);

    this.label2.TabIndex = 1;

    this.label2.Text = "IP--〉域名";

    // ip1

    this.ip1.Location = new System.Drawing.Point(16, 56);

    this.ip1.Name = "ip1";

    this.ip1.Size = new System.Drawing.Size(120, 21);

    this.ip1.TabIndex = 2;

    this.ip1.Text = "textBox1";

    // domain1

    this.domain1.Location = new System.Drawing.Point(224, 56);

    this.domain1.Name = "domain1";

    this.domain1.Size = new System.Drawing.Size(144, 21);

    this.domain1.TabIndex = 3;

    this.domain1.Text = "textBox2";

    // domain2

    this.domain2.Location = new System.Drawing.Point(16, 104);

    this.domain2.Name = "domain2";

    this.domain2.Size = new System.Drawing.Size(120, 21);

    this.domain2.TabIndex = 4;

    this.domain2.Text = "textBox1";

    // label3

    this.label3.Location = new System.Drawing.Point(144, 104);

    this.label3.Name = "label3";

    this.label3.Size = new System.Drawing.Size(64, 23);

    this.label3.TabIndex = 5;

    this.label3.Text = "域名->ip";

    // ip2

    this.ip2.Location = new System.Drawing.Point(224, 104);

    this.ip2.Name = "ip2";

    this.ip2.Size = new System.Drawing.Size(144, 21);

    this.ip2.TabIndex = 6;

    this.ip2.Text = "textBox1";

    // button1

    this.button1.Location = new System.Drawing.Point(384, 56);

    this.button1.Name = "button1";

    this.button1.TabIndex = 7;

    this.button1.Text = "确定";

    this.button1.Click += new System.EventHandler(this.button1_Click);

    // button2

    this.button2.Location = new System.Drawing.Point(384, 104);

    this.button2.Name = "button2";

    this.button2.TabIndex = 8;

    this.button2.Text = "确定";

    this.button2.Click += new System.EventHandler(this.button2_Click);

    // label4

    this.label4.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(192)), ((System.Byte)(128)));

    this.label4.Location = new System.Drawing.Point(168, 224);

    this.label4.Name = "label4";

    this.label4.Size = new System.Drawing.Size(248, 23);

    this.label4.TabIndex = 9;

    this.label4.Text = "網絡05玄魂制作";

    // label5

    this.label5.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(128)), ((System.Byte)(255)), ((System.Byte)(255)));

    this.label5.Location = new System.Drawing.Point(168, 184);

    this.label5.Name = "label5";

    this.label5.Size = new System.Drawing.Size(248, 23);

    this.label5.TabIndex = 10;

    this.label5.Text = "運作環境framework1.1以上";

    // Form1

    this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);

    this.ClientSize = new System.Drawing.Size(472, 273);

    this.Controls.Add(this.label5);

    this.Controls.Add(this.label4);

    this.Controls.Add(this.button2);

    this.Controls.Add(this.button1);

    this.Controls.Add(this.ip2);

    this.Controls.Add(this.label3);

    this.Controls.Add(this.domain2);

    this.Controls.Add(this.domain1);

    this.Controls.Add(this.ip1);

    this.Controls.Add(this.label2);

    this.Controls.Add(this.label1);

    this.Name = "Form1";

    this.Text = "Form1";

    this.Load += new System.EventHandler(this.Form1_Load);

    this.ResumeLayout(false);

   #endregion

   /// 應用程式的主入口點。

   [STAThread]

   static void Main() 

    Application.Run(new Form1());

   private void Form1_Load(object sender, System.EventArgs e)

   private void button1_Click(object sender, System.EventArgs e)

    string adr=" ";

    adr=ip1.Text;

    IPHostEntry IPHost = Dns.Resolve(adr);

   string names = IPHost.HostName;

    domain1.Text = names;

   private void button2_Click(object sender, System.EventArgs e)

    string name=" ",adr=" ";

    name = domain2.Text;

    IPHostEntry IPHost = Dns.Resolve(name);

    IPAddress[] addr= IPHost.AddressList;

    for(int i=0;i<addr.Length;i++)

     adr+=addr[i];

ip2.Text = adr;

}

本文轉自懸魂部落格園部落格，原文連結：http://www.cnblogs.com/xuanhun/archive/2010/02/03/1662420.html，如需轉載請自行聯系原作者