局域网扫描IP 实例如下图
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
#region 实例化类对象及公共变量
private Thread myThread;
string StartIPAddress = "";
string EndIPAddress = "";
int intStrat =0; //开始扫描地址
int intEnd = 0; //终止扫描地址
string strIP = "";
string strflag = ""; //扫描到的IP地址
#endregion
private void button1_Click(object sender, EventArgs e)
{
try
{
if (button1.Text == "开始")
{
listView1.Items.Clear(); //清空ListView控件中的项
textBox1.Enabled = textBox2.Enabled = false;
strIP = "";
strflag = textBox1.Text;
StartIPAddress = textBox1.Text;
EndIPAddress = textBox2.Text;
//开始扫描地址
intStrat = Int32.Parse(StartIPAddress.Substring(StartIPAddress.LastIndexOf(".") 1));
//终止扫描地址
intEnd = Int32.Parse(EndIPAddress.Substring(EndIPAddress.LastIndexOf(".") 1));
//指定进度条最大值
progressBar1.Minimum = intStrat;
//指定进度条最小值
progressBar1.Maximum = intEnd;
//指定进度条初始值
progressBar1.Value = progressBar1.Minimum;
timer1.Start(); //开始运行计时器
button1.Text = "停止"; //设置按钮文本为停止
//使用自定义方法StartScan实例化线程对象
myThread = new Thread(new ThreadStart(this.StartScan));
myThread.Start(); //开始运行扫描IP的线程
}
else
{
textBox1.Enabled = textBox2.Enabled = true;
button1.Text = "开始"; //设置按钮文本为开始
timer1.Stop(); //停止运行计时器
//设置进度条的值为最大值
progressBar1.Value = intEnd;
if (myThread != null) //判断线程对象是否为空
{
//判断扫描IP地址的线程是否正在运行
if (myThread.ThreadState == ThreadState.Running)
{
myThread.Abort(); //终止线程
}
}
}
}
catch { }
}
private void timer1_Tick(object sender, EventArgs e)
{
if (strIP != "") //判读是否有可用IP地址
{
if (strIP.IndexOf(',') == -1)
{
if (listView1.Items.Count > 0)
{
for (int i = 0; i < listView1.Items.Count; i )
{
//判断扫描到的IP地址是否与列表中的重复
if (listView1.Items[i].Text != strIP)
{
//向列表中添加扫描到的已用IP地址
listView1.Items.Add(strIP);
}
}
}
else
//向列表汇总添加扫描到的已用IP地址
listView1.Items.Add(strIP);
}
else
{
string[] strIPS = strIP.Split(',');
for (int i = 0; i < strIPS.Length; i )
{
listView1.Items.Add(strIPS[i].ToString());
}
}
strIP = "";
}
for (int i = 0; i < listView1.Items.Count; i )
listView1.Items[i].ImageIndex = 0;
if (progressBar1.Value < progressBar1.Maximum) //判断进度条的当前值是否超出其最大值
progressBar1.Value = Int32.Parse(strflag.Substring(strflag.LastIndexOf(".") 1)); //将进度条的值加1
if (strflag == textBox2.Text) //判断正在扫描的IP地址是否是结束IP地址
{
timer1.Stop(); //停止运行计时器
textBox1.Enabled = textBox2.Enabled = true;
button1.Text = "开始"; //设置按钮文本为扫描
MessageBox.Show("IP地址扫描结束！");
}
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
if (myThread != null) //判断线程对象是否为空
{
//判断扫描IP地址的线程是否正在运行
if (myThread.ThreadState == ThreadState.Running)
{
myThread.Abort(); //终止线程
}
}
}
#region 扫描局域网IP地址
/// <summary>
/// 扫描局域网IP地址
/// </summary>
private void StartScan()
{
//扫描的操作
for (int i = intStrat; i <= intEnd; i )
{
string strScanIP = StartIPAddress.Substring(0, StartIPAddress.LastIndexOf(".") 1) i.ToString();
//转换成IP地址
IPAddress myScanIP = IPAddress.Parse(strScanIP);
strflag = strScanIP;
try
{
//址获取DNS主机信息
IPHostEntry myScanHost = Dns.GetHostByAddress(myScanIP);
//获取主机名
string strHostName = myScanHost.HostName.ToString();
if (strIP == "")
strIP = strScanIP "->" strHostName;
else
strIP = "," strScanIP "->" strHostName;
}
catch { }
}
}
#endregion
}资源文件列表
╛╓╙≥═°IP╔¿├Φ/ScanIP.sln , 908
╛╓╙≥═°IP╔¿├Φ/ScanIP.suo , 14336
╛╓╙≥═°IP╔¿├Φ/ScanIP/bin/Debug/ScanIP.exe , 13824
╛╓╙≥═°IP╔¿├Φ/ScanIP/bin/Debug/ScanIP.pdb , 24064
╛╓╙≥═°IP╔¿├Φ/ScanIP/bin/Debug/ScanIP.vshost.exe , 14328
╛╓╙≥═°IP╔¿├Φ/ScanIP/bin/Debug/ScanIP.vshost.exe.manifest , 490
╛╓╙≥═°IP╔¿├Φ/ScanIP/Form1.cs , 6895
╛╓╙≥═°IP╔¿├Φ/ScanIP/Form1.Designer.cs , 7387
╛╓╙≥═°IP╔¿├Φ/ScanIP/Form1.resx , 7353
╛╓╙≥═°IP╔¿├Φ/ScanIP/ip.ico , 318
╛╓╙≥═°IP╔¿├Φ/ScanIP/obj/Debug/ScanIP.csproj.FileListAbsolute.txt , 597
╛╓╙≥═°IP╔¿├Φ/ScanIP/obj/Debug/ScanIP.csproj.GenerateResource.Cache , 847
╛╓╙≥═°IP╔¿├Φ/ScanIP/obj/Debug/ScanIP.exe , 13824
╛╓╙≥═°IP╔¿├Φ/ScanIP/obj/Debug/ScanIP.Form1.resources , 1035
╛╓╙≥═°IP╔¿├Φ/ScanIP/obj/Debug/ScanIP.pdb , 24064
╛╓╙≥═°IP╔¿├Φ/ScanIP/obj/Debug/ScanIP.Properties.Resources.resources , 180
╛╓╙≥═°IP╔¿├Φ/ScanIP/Program.cs , 487
╛╓╙≥═°IP╔¿├Φ/ScanIP/Properties/AssemblyInfo.cs , 1367
╛╓╙≥═°IP╔¿├Φ/ScanIP/Properties/Resources.Designer.cs , 2862
╛╓╙≥═°IP╔¿├Φ/ScanIP/Properties/Resources.resx , 5612
╛╓╙≥═°IP╔¿├Φ/ScanIP/Properties/Settings.Designer.cs , 1091
╛╓╙≥═°IP╔¿├Φ/ScanIP/Properties/Settings.settings , 249
╛╓╙≥═°IP╔¿├Φ/ScanIP/ScanIP.csproj , 3758