vb.netip设置的简单介绍

VB.NET的TCP/IP协议 怎么弄

Dim th As Threading.Thread

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2 Dim tcpl As System.Net.Sockets.TcpListener

3

4 Private Sub Form1_Load()Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

5 th = New System.Threading.Thread(New System.Threading.ThreadStart(AddressOf MyListen))

6 th.Start()

7 End Sub

8

9 Public Sub SendMessage()Sub SendMessage(ByVal IP As String, ByVal SendMsg As String)

10 Try

11 If IP "" Then

12 Dim tcpc As New System.Net.Sockets.TcpClient(IP, 5656)

13 Dim tcpStream As Net.Sockets.NetworkStream = tcpc.GetStream

14 Dim reqStream As New IO.StreamWriter(tcpStream)

15 reqStream.Write(SendMsg)

16 reqStream.Flush()

17 tcpStream.Close()

18 tcpc.Close()

19 End If

20 Catch ex As Exception

21 MsgBox(ex.Message.ToString)

22 End Try

23 End Sub

24 Private Sub MyListen()Sub MyListen()

25 Try

26 Dim ipAddress As System.Net.IPAddress = System.Net.Dns.Resolve(System.Net.Dns.GetHostName).AddressList(0)

27 tcpl = New System.Net.Sockets.TcpListener(ipAddress, 5656)

28 tcpl.Start()

29 While True

30 Dim s As System.Net.Sockets.Socket = tcpl.AcceptSocket()

31 Dim MyBuffer(1024) As Byte

32 Dim i As Integer

33 i = s.Receive(MyBuffer)

34 If i 0 Then

35 Dim lstrRec As String

36 Dim j As Integer

37 For j = 0 To i - 1

38 TextBox1.Text += Chr(MyBuffer(j)) ","

39 Next

40 End If

41 End While

42 Catch ex As Exception

43 MsgBox(ex.Message.ToString)

44 End Try

45 End Sub

46

47 Private Sub Button1_Click()Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

48 SendMessage("192.168.0.61", TextBox2.Text)

49 End Sub

如何在vb，net用程序修改ip地址

做exe程序获取本机IP地址用

System.Net.Dns.GetHostByName(System.Net.Dns.GetHostName()).AddressList

做web程序获取客户端的IP地址用

HttpContext.Current.Request.ServerVariables（"REMOTE_ADDR"]）

vb.net 怎么获取客户端ip地址？

你最好可以换台电脑访问网址看获取IP地址状况。

如果你测试访问的时候,使用的是 localhost 进行访问的,那么服务器端获得的也就是127.0.0.1，因为localhost是一个环路地址,特殊的.如果你是通过你的ip地址进行访问的,那么获得的IP地址就会是正确的了. 要通过自己本地的IP进行访问,在控制面板的网络连接里找到本地连接,查看它的属性,并找到"详细信息"按钮,点击后弹出的对话框中IPV4地址就是本地地址.或打开命令行,输入 ipconfig /all 即可找到本地地址.在浏览器中通过这个IP地址访问,就不会是127.0.0.1了.

VB.NET2010 怎么获取IP

1.获取当前电脑名：System.Net.Dns.GetHostName()

2.根据电脑名取出全部IP地址：System.Net.Dns.Resolve(电脑名).AddressList

或者 System.Net.Dns.GetHostByName(电脑名).AddressList

3.根据IP地址取出电脑名：System.Net.Dns.Resolve(IP地址).HostName

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