using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using .Sockets;
using ;
using System.Threading ; namespace WindowsApplication31
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public delegate void UpdateList ( string sIP , string sHostName ) ;
public class Form1 : System.Windows.Forms.Form
{
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.Windows.Forms.Button button1;
private System.Windows.Forms.ProgressBar progressBar1;
private System.ComponentModel.Container components = null;
private System.Windows.Forms.ListBox listBox1;
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.NumericUpDown numericUpDown1;
private System.Windows.Forms.NumericUpDown numericUpDown2;
private System.Windows.Forms.NumericUpDown numericUpDown3;
private System.Windows.Forms.NumericUpDown numericUpDown4;
private System.Windows.Forms.NumericUpDown numericUpDown5;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.Label label4;
private System.DateTime StartTime; public Form1()
{
//
// Windows 窗体设计器支持所必需的
//
InitializeComponent(); //
// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
//
} /// <summary>
/// 清理所有正在使用的资源。
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
} #region Windows Form Designer generated code
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent ( )
{
this.button1 = new System.Windows.Forms.Button ( ) ;
this.progressBar1 = new System.Windows.Forms.ProgressBar ( ) ;
this.listBox1 = new System.Windows.Forms.ListBox ( ) ;
this.groupBox1 = new System.Windows.Forms.GroupBox ( ) ;
this.label2 = new System.Windows.Forms.Label ( ) ;
this.label1 = new System.Windows.Forms.Label ( ) ;
this.numericUpDown5 = new System.Windows.Forms.NumericUpDown ( ) ;
this.numericUpDown4 = new System.Windows.Forms.NumericUpDown ( ) ;
this.numericUpDown3 = new System.Windows.Forms.NumericUpDown ( ) ;
this.numericUpDown2 = new System.Windows.Forms.NumericUpDown ( ) ;
this.numericUpDown1 = new System.Windows.Forms.NumericUpDown ( ) ;
this.label3 = new System.Windows.Forms.Label ( ) ;
this.label4 = new System.Windows.Forms.Label ( ) ;
this.groupBox1.SuspendLayout ( ) ;
( ( System.ComponentModel.ISupportInitialize ) ( this.numericUpDown5 ) ).BeginInit ( ) ;
( ( System.ComponentModel.ISupportInitialize ) ( this.numericUpDown4 ) ).BeginInit ( ) ;
( ( System.ComponentModel.ISupportInitialize ) ( this.numericUpDown3 ) ).BeginInit ( ) ;
( ( System.ComponentModel.ISupportInitialize ) ( this.numericUpDown2 ) ).BeginInit ( ) ;
( ( System.ComponentModel.ISupportInitialize ) ( this.numericUpDown1 ) ).BeginInit ( ) ;
this.SuspendLayout ( ) ;
this.button1.FlatStyle = System.Windows.Forms.FlatStyle.Flat ;
this.button1.Location = new System.Drawing.Point ( 304 , 41 ) ;
= "button1" ;
this.button1.Size = new System.Drawing.Size ( 75 , 36 ) ;
this.button1.TabIndex = 1 ;
this.button1.Text = "扫描" ;
this.button1.Click += new System.EventHandler ( this.button1_Click ) ;
this.progressBar1.Dock = System.Windows.Forms.DockStyle.Bottom ;
this.progressBar1.Location = new System.Drawing.Point ( 0 , 316 ) ;
= "progressBar1" ;
this.progressBar1.Size = new System.Drawing.Size ( 414 , 23 ) ;
this.progressBar1.TabIndex = 2 ;
this.listBox1.ItemHeight = 12 ;
this.listBox1.Location = new System.Drawing.Point ( 0 , 82 ) ;
= "listBox1" ;
this.listBox1.Size = new System.Drawing.Size ( 414 , 232 ) ;
this.listBox1.TabIndex = 3 ;
this.groupBox1.Controls.AddRange ( new System.Windows.Forms.Control[] {
this.label2 ,
this.label1 ,
this.numericUpDown5 ,
this.numericUpDown4 ,
this.numericUpDown3 ,
this.numericUpDown2 ,
this.numericUpDown1 } ) ;
this.groupBox1.FlatStyle = System.Windows.Forms.FlatStyle.Flat ;
this.groupBox1.Location = new System.Drawing.Point ( 2 , 8 ) ;
= "groupBox1" ;
this.groupBox1.Size = new System.Drawing.Size ( 282 , 70 ) ;
this.groupBox1.TabIndex = 1 ;
this.groupBox1.TabStop = false ;
this.groupBox1.Text = "选择IP地址" ;
this.label2.Location = new System.Drawing.Point ( 164 , 46 ) ;
= "label2" ;
this.label2.Size = new System.Drawing.Size ( 46 , 18 ) ;
this.label2.TabIndex = 11 ;
this.label2.Text = "终点：" ;
this.label1.Location = new System.Drawing.Point ( 164 , 22 ) ;
= "label1" ;
this.label1.Size = new System.Drawing.Size ( 46 , 18 ) ;
this.label1.TabIndex = 10 ;
this.label1.Text = "起点：" ;
this.numericUpDown5.Location = new System.Drawing.Point ( 224 , 44 ) ;
this.numericUpDown5.Maximum = new System.Decimal ( new int[] {
255 , 0 , 0 , 0} ) ;
= "numericUpDown5" ;
this.numericUpDown5.Size = new System.Drawing.Size ( 40 , 21 ) ;
this.numericUpDown5.TabIndex = 9 ;
this.numericUpDown4.Location = new System.Drawing.Point ( 224 , 20 ) ;
this.numericUpDown4.Maximum = new System.Decimal ( new int[] {
255 , 0 , 0 , 0} ) ;
= "numericUpDown4" ;
this.numericUpDown4.Size = new System.Drawing.Size ( 40 , 21 ) ;
this.numericUpDown4.TabIndex = 8 ;
this.numericUpDown3.Location = new System.Drawing.Point ( 108 , 32 ) ;
this.numericUpDown3.Maximum = new System.Decimal ( new int[] {
255 , 0 , 0 , 0} ) ;
= "numericUpDown3" ;
this.numericUpDown3.Size = new System.Drawing.Size ( 40 , 21 ) ;
this.numericUpDown3.TabIndex = 7 ;
this.numericUpDown3.value = new System.Decimal ( new int[] {
198 , 0 , 0 , 0} ) ;
this.numericUpDown2.Location = new System.Drawing.Point ( 62 , 32 ) ;
this.numericUpDown2.Maximum = new System.Decimal ( new int[] {
255 , 0 , 0 , 0} ) ;
= "numericUpDown2" ;
this.numericUpDown2.Size = new System.Drawing.Size ( 40 , 21 ) ;
this.numericUpDown2.TabIndex = 6 ;
this.numericUpDown2.value = new System.Decimal ( new int[] {
138 , 0 , 0 , 0} ) ;
this.numericUpDown1.Location = new System.Drawing.Point ( 18 , 32 ) ;
this.numericUpDown1.Maximum = new System.Decimal ( new int[] {
255 , 0 , 0 , 0} ) ;
= "numericUpDown1" ;
this.numericUpDown1.Size = new System.Drawing.Size ( 38 , 21 ) ;
this.numericUpDown1.TabIndex = 5 ;
this.numericUpDown1.value = new System.Decimal ( new int[] {
10 , 0 , 0 , 0} ) ;
this.label3.Location = new System.Drawing.Point ( 306 , 18 ) ;
= "label3" ;
this.label3.Size = new System.Drawing.Size ( 42 , 18 ) ;
this.label3.TabIndex = 11 ;
this.label3.Text = "耗时：" ;
this.label4.Location = new System.Drawing.Point ( 350 , 18 ) ;
= "label4" ;
this.label4.Size = new System.Drawing.Size ( 76 , 18 ) ;
this.label4.TabIndex = 12 ;
this.label4.Text = "0" ;
this.AutoScaleBaseSize = new System.Drawing.Size ( 6 , 14 ) ;
this.ClientSize = new System.Drawing.Size ( 414 , 339 ) ;
this.Controls.AddRange ( new System.Windows.Forms.Control[] {
this.label4 ,
this.label3 ,
this.groupBox1 ,
this.listBox1 ,
this.progressBar1 ,
this.button1} ) ;
this.MaximizeBox = false ;
= "Form1" ;
this.Text = "扫描网络计算机" ;
this.groupBox1.ResumeLayout ( false ) ;
( ( System.ComponentModel.ISupportInitialize ) ( this.numericUpDown5 ) ).EndInit ( ) ;
( ( System.ComponentModel.ISupportInitialize ) ( this.numericUpDown4 ) ).EndInit ( ) ;
( ( System.ComponentModel.ISupportInitialize ) ( this.numericUpDown3 ) ).EndInit ( ) ;
( ( System.ComponentModel.ISupportInitialize ) ( this.numericUpDown2 ) ).EndInit ( ) ;
( ( System.ComponentModel.ISupportInitialize ) ( this.numericUpDown1 ) ).EndInit ( ) ;
this.ResumeLayout ( false ) ;
}
#endregion /// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
} public class ping
{
public UpdateList ul ;
public string ip ; //接收传送来的IP地址字符串
public string HostName ;//向主进展传递对应IP地址是否在线数据
//这个过程用来判断传送来的IP地址对应计算机是否在线
public void scan ( )
{
IPAddress myIP = IPAddress.Parse ( ip ) ;
try
{
IPHostEntry myHost = Dns.GetHostByAddress ( myIP );
HostName = myHost.HostName.ToString ( ) ;
}
catch
{
HostName = "" ;
}
if (HostName == "")
HostName = " 主机没有响应！";
if ( ul != null)
ul ( ip , HostName ) ;
}
} void UpdateMyList ( string sIP , string sHostName )
{
lock ( listBox1 )
{
listBox1.Items.Add ( sIP + " " + sHostName ) ;
if ( progressBar1.value != progressBar1.Maximum )
{
progressBar1.value++ ;
}
if ( progressBar1.value == progressBar1.Maximum )
{
MessageBox.Show ( "成功完成检测！" , "提示" ) ;
DateTime EndTime = DateTime.Now ;
TimeSpan ts = EndTime - StartTime ;
label4.Text = ts.Seconds.ToString ( ) + "秒" ;
progressBar1.value = progressBar1.Minimum ;
}
}
}
private void button1_Click(object sender, System.EventArgs e)
{
listBox1.Items.Clear ( ) ; //清除扫描结果显示区域
StartTime = DateTime.Now ; //获取当前时间
string mask = numericUpDown1.value.ToString ( ) + "." + numericUpDown2.value.ToString ( ) +
"." + numericUpDown3.value.ToString ( ) + "." ;
int Min = ( int ) numericUpDown4.value ;
int Max = ( int ) numericUpDown5.value ;
if ( Min > Max )
{
MessageBox.Show ( "输入的IP地址区间不合法，请检查！" , "错误！" ) ;
return ;
}
//判断输入的IP地址区间是否合法
int _ThreadNum = Max - Min + 1 ;
Thread[] mythread = new Thread [ _ThreadNum ] ;
//创建一个多个Thread实例
progressBar1.Minimum = Min ;
progressBar1.Maximum = Max + 1 ;
progressBar1.value = Min ;
int i ;
for (i = Min ; i <= Max ; i++ )
{
int k = Max - i ;
ping HostPing = new ping ( ) ; //创建一个ping实例
HostPing.ip = mask + i.ToString ( ) ;
HostPing.ul = new UpdateList ( UpdateMyList ) ; //向这个ping实例中传递IP地址字符串
mythread[k] = new Thread ( new ThreadStart ( HostPing.scan ) ) ; //初始化一个线程实例
mythread[k].Start ( ) ; //启动线程
}
} }
}多线程扫描计算机
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