局域网IP地址扫描小工具代码,CSharp代码库,德仔网

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【CSharp】局域网IP地址扫描小工具
作者:熠 / 发布于2015/11/13/ 1333

	using System;

	using System.Collections.Generic;

	using System.ComponentModel;

	using System.Data;

	using System.Drawing;

	using System.Linq;

	using System.Text;

	using System.Windows.Forms;

	using System.Net;

	using System.Net.Sockets;

	using System.Threading;

	using System.Net.NetworkInformation;

	using System.IO;

	namespace PingIP

	{

	 public partial class Form1 : Form

	 {

	 public Form1()

	 {

	 InitializeComponent();

	 //关闭跨线程检查，正式开放环境中不允许这么做，只能通过回调机制来实现。

	 TextBox.CheckForIllegalCrossThreadCalls = false;

	 }

	 #region //开始按钮操作

	 //定义个线程，用于执行具体的操作。

	 Thread thread = null;

	 private void BtnStart_Click(object sender, EventArgs e)

	 {

	 //清空输出窗口内容

	 lbOutPut.Items.Clear();

	 //定义&ldquo;未活动或不可达IP个数：&rdquo;变量

	 txtip6.Text = null;

	 //定义&ldquo;活动的IP个数：&rdquo;变量

	 txtip7.Text = null;

	 //点击开始按钮后，禁用该按钮，防止用户重复点击

	 BtnStart.Enabled = false;

	 //实例化线程

	 thread = new Thread(Scanip);

	 //设置为后台线程

	 thread.IsBackground = true;

	 //启动线程

	 thread.Start();

	

	 }

	 #endregion

	 //定义ping的方法

	 void Scanip()

	 {

	 //定义IP地址输入框

	 int ip1 = Convert.ToInt32(txt1.Text);

	 int ip2 = Convert.ToInt32(txt2.Text);

	 int ip3 = Convert.ToInt32(txt3.Text);

	 int ip4 = Convert.ToInt32(txt4.Text);

	 int ip5 = Convert.ToInt32(txt5.Text);

	 int ip6 = 0;

	 int ip7 = 0;

	 //实例化一个ping实例

	 Ping ping = new Ping();

	 //定义ping的选项，其中包含ttl值和是否分段

	 PingOptions poption = new PingOptions(128, true);

	 //定义接收数组

	 byte[] data = new byte[32];

	 //定义变量

	 int recived = 0;

	 //实例化一个响应时间变量

	 List<long> responseTimes = new List<long>();

	 //循环执行IP地址段的每个ip的ping操作

	 for (int j = ip4; j <= ip5; j++)

	 {

	 //实例化IP地址

	 IPAddress address = IPAddress.Parse(ip1 + "." + ip2 + "." + ip3 + "." + ip4);

	 //最后一个IP地址段自增

	 ip4++;

	 //每个ip执行一次ping操作

	 for (int i = 0; i < 1; i++)

	 {

	 //防止中断ping操作。

	 try

	 {

	 //实例化一个reply

	 PingReply reply = ping.Send(address, 1000, data, poption);

	 string str = null;

	 if (reply != null)

	 {

	 //对reply状态进行分类

	 switch (reply.Status)

	 {

	 case IPStatus.Success:

	 str = string.Format("Reply From{0}" + "Bytes={1} time={2} TTL={3}", reply.Address, reply.Buffer.Length, reply.RoundtripTime, reply.Options.Ttl);

	 lbOutPut.Items.Add(str);

	 lbOutPut.SelectedItem = lbOutPut.Items[lbOutPut.Items.Count - 1];

	 this.Update();

	 recived++;

	 responseTimes.Add(reply.RoundtripTime);

	 ip7++;

	 txtip7.Text = ip7.ToString();

	 break;

	 case IPStatus.TimedOut:

	 str = address.ToString() + ":Request time Out";

	 lbOutPut.Items.Add(str);

	 lbOutPut.SelectedItem = lbOutPut.Items[lbOutPut.Items.Count - 1];

	 this.Update();

	 ip6++;

	 txtip6.Text = ip6.ToString();

	 break;

	 default:

	 str = string.Format("Ping Failed{0}", reply.Status.ToString());

	 lbOutPut.Items.Add(str);

	 lbOutPut.SelectedItem = lbOutPut.Items[lbOutPut.Items.Count - 1];

	 this.Update();

	 ip6++;

	 txtip6.Text = ip6.ToString();

	 break;

	 }

	 }

	 else

	 {

	 str = string.Format("Ping Failed for an unkown reason");

	 lbOutPut.Items.Add(str);

	 lbOutPut.SelectedItem = lbOutPut.Items[lbOutPut.Items.Count - 1];

	 this.Update();

	 ip6++;

	 txtip6.Text = ip6.ToString();

	 }

	 }

	 catch

	 {//启用开始按钮

	 BtnStart.Enabled = true;

	 break;

	 }

	 }

	 }

	 //启用开始按钮

	 BtnStart.Enabled = true;

	

	 }

	 #region //公共事件，只允许输入数字

	 private void cubox_KeyPress(object sender, KeyPressEventArgs e)

	 {

	 TextBox cubox = sender as TextBox;

	 if (cubox.TextLength > 2)

	 {

	 e.Handled = true;

	 }

	 //if (Convert.ToInt32(cubox.Text) > 254)

	 //{

	 // e.Handled = true;

	 //}

	 if (e.KeyChar < '0' || e.KeyChar > '9')

	 {

	 e.Handled = true;

	 }

	 if (e.KeyChar == '.')

	 {

	 this.SelectNextControl(cubox, true, true, true, true);

	 }

	 if(cubox.SelectionStart==0&&e.KeyChar=='0')

	 {

	 e.Handled=true;

	 }

	 if (e.KeyChar == 8)

	 {

	 if (cubox.TextLength == 0)

	 {

	 this.SelectNextControl(cubox, false, true, true,false);

	 }

	 e.Handled = false;

	 }

	 }

	 #endregion

	 //停止按钮的事件

	 private void btnStop_Click(object sender, EventArgs e)

	 {

	 thread.Abort();

	 }

	

	 }

	

	}
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