我想知道哪局域网中哪些机子开了,在.net(c#)中应该怎么写呢
哪位大哥,有源码.最好简单些,我仅仅是想知道哪些能PING通就行了
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可以去C#版块问问
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C# 获得局域网主机列表实例
/// 数组初始化
///
private void InitLanHost()
{
LanHost = new string[255,2];
for (int i=0;i <255;i++)
{
LanHost[i,0] = " ";
LanHost[i,1] = " ";
}
}
///
/// 局域网搜索事件
///
private void LanSearch()
{
thread = new Thread[255];
ThreadStart threadMethod;
Thread threadProgress = new Thread(new ThreadStart(progressSearch));
threadProgress.Start();
string localhost = (Dns.GetHostByName(Dns.GetHostName())).AddressList[0].ToString(); //本地主机IP地址
str = localhost.Substring(0,localhost.LastIndexOf( ". "));
for (int i=0;i <255;i++) //建立255个线程扫描IP
{
threadMethod = new ThreadStart(LanSearchThreadMethod);
thread[i] = new Thread(threadMethod);
thread[i].Name = i.ToString();
thread[i].Start();
if (!thread[i].Join(100)) //Thread.Join(100)不知道这处这么用对不对,感觉没什么效果一样
{
thread[i].Abort();
}
}
GetLanHost();
listLanHost();
}
///
/// 多线程搜索方法
///
private void LanSearchThreadMethod()
{
int Currently_i = Convert.ToUInt16(Thread.CurrentThread.Name); //当前进程名称
IPAddress ScanIP = IPAddress.Parse( str + ". "+Convert.ToString(Currently_i +1)); //获得扫描IP地址
IPHostEntry ScanHost = null;
ScanHost = Dns.GetHostByAddress(ScanIP); //获得扫描IP地址主机信息
if (ScanHost != null)
{
LanHost[Currently_i,0] = ScanIP.ToString();
LanHost[Currently_i,1] = ScanHost.HostName;
}
//progressBarSearch.Value = progressBarSearch.Value +1;
}
///
/// 文本框显示主机名与IP列表
///
private void GetLanHost()
{
for (int i=0;i <255;i++)
if ( LanHost[i,0] != " ")
{
textBox1.Text =textBox1.Text + LanHost[i,1] + ": " +LanHost[i,0] + "\r\n ";
}
}
///
/// listview1 显示搜索主机
///
private void listLanHost()
{
listView1.View = View.List;
ListViewItem aa ;
for (int i=0;i <255;i++)
{
if ( LanHost[i,0] != " ")
{
aa= new ListViewItem();
aa.Text = LanHost[i,1];
aa.Tag = LanHost[i,0];
listView1.Items.Add(aa);
}
}
}
///
/// 进度条处理线程
///
private void progressSearch()
{
//label1.Text = "进度条只是时间估计,不是真实搜索进度! ";
progressBarSearch.Value = 0;
for (int i=0;i <255;i++)
{
progressBarSearch.Value = progressBarSearch.Value + 1;
Thread.Sleep(100);
}
}
}
}
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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;
using System.Net.NetworkInformation;
using System.Collections;
using System.Threading;
namespace NetKnocker
{
public partial class Knocker : Form
{
private Thread bgThread = null;
private Thread tmpThread = null;
private ArrayList bgThreads = null;