ip02.cs

显示本机的动态IP地址

//IP02.cs源程序：  
//导入程序用到的名称空间  
using System ;  
using System.Net;  
using System.Windows.Forms ;  
using System.Drawing ;  
public class Form3 : Form  
{  
//定义二个标签  
private Label label1 ;  
private Label label2 ;  
public static void Main ( )  
{  
Application.Run ( new Form3 ( ) ) ;  
}  
// 构造窗体  
public Form3 ( )  
{  
// 建立标签并且初始化  
this.label1 = new System.Windows.Forms.Label ( ) ;  
this.label2 = new System.Windows.Forms.Label ( ) ;  
//先继承一个Label 类  
label1.Location = new System.Drawing.Point ( 24 , 16 ) ;  
label2.Location = new System.Drawing.Point ( 44 , 36 ) ;  
//设定 Label的显示位置  
label1.Text = "主机名称：" + System.Net.Dns.GetHostName ( ) ;  
// 显示本机的计算机名称  
label2.Text = "IP 地址：" + getIPAddress ( ) ;  
// 显示本机的拨号动态分配IP地址  
label1.Size = new System.Drawing.Size ( 200 , 50 ) ;  
label2.Size = new System.Drawing.Size ( 200 , 80 ) ;  
//设定标签的大小  
label1.TabIndex = 0 ;  
label2.TabIndex = 1 ;  
label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter ;  
label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter ;  
// 设定标签的对齐方式  
this.Text = "获得主机名称和IP地址！" ;  
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent ;  
this.AutoScaleBaseSize = new System.Drawing.Size ( 8 , 16 ) ;  
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Fixed3D ;  
// 设定窗体的边界类型  
this.ForeColor = System.Drawing.SystemColors.Desktop ;  
this.Font = new System.Drawing.Font ( "宋体" , 10 , System.Drawing.FontStyle.Bold ) ;  
// 设定字体、大小就字体的式样  
this.SizeGripStyle = System.Windows.Forms.SizeGripStyle.Hide ;  
this.ClientSize = new System.Drawing.Size ( 250 , 250 ) ;  
//把标签加到窗体中  
this.Controls.Add ( this.label1 ) ;  
this.Controls.Add ( this.label2 ) ;  
}  
private static string getIPAddress ( )  
{  
System.Net.IPAddress addr;  
// 获得拨号动态分配IP地址  

}  
}