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Function ChangeIP(IP As String, NM As String, GW As String, MDNS As String, SDNS As String) As String
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Dim strComputer, objWMIService, colNetAdapters, strIPAddress, strSubnetMask
Dim strGateway, strGatewaymetric, strDNS, objNetAdapter, errEnable, errGateways, errDNS
strComputer = "."
Set objWMIService = GetObject("winmgmts:\\" strComputer "\root\cimv2")
Set colNetAdapters = objWMIService.ExecQuery("Select * from Win32_NetworkAdapterConfiguration where IPEnabled=TRUE")
strIPAddress = Array(IP) 'IP地址
strSubnetMask = Array(NM) '子网
strGateway = Array(GW) 'Gateways
strDNS = Array(MDNS, SDNS) 'MAIN DNS AND SECOND DNS
strGatewaymetric = Array(1)
For Each objNetAdapter In colNetAdapters
errEnable = objNetAdapter.EnableStatic(strIPAddress, strSubnetMask)
errGateways = objNetAdapter.SetGateways(strGateway, strGatewaymetric)
errDNS = objNetAdapter.SetDNSServerSearchOrder(strDNS)
If errEnable = 0 And errGateways = 0 And errDNS = 0 Then
ChangeIP = "成功"
Else
If errEnable = 0 Then
ChangeIP = "IP地址和子网成功, "
Else
ChangeIP = "IP地址或子网置 X, "
End If
If errGateways = 0 Then
ChangeIP = ChangeIP "DEFAULT成功, "
Else
ChangeIP = ChangeIP "DEFAULT X, "
End If
If errDNS = 0 Then
ChangeIP = ChangeIP "DNS成功"
Else
ChangeIP = ChangeIP "DNS X"
End If
End If
Next
End Function
Private Sub Command1_Click()
MsgBox ChangeIP(Winsock1.LocalIP, "255.255.255.0", "192.168.2.10", "192.168.2.10", "192.168.2.1")
End Sub
Private Sub Command2_Click()
MsgBox ChangeIP(Winsock1.LocalIP, "255.255.255.0", "192.168.2.1", "192.168.2.1", "192.168.2.10")
End Sub
Private Sub Form_Load()
If Winsock1.Index = "192.168.2.1" Then
Label2.Caption = "电信"
Else
Label2.Caption = "鉄通"
End If
End Sub
参考一下吧 下班了 没时间改了
我的是拿winsock找ip的
是可以实现的。修改注册表实现,要重起后生效. 或者禁用网卡在重启用,就可以.
程序代码：
Option Explicit
Const REG_SZ As Long = 1
Const HKEY_LOCAL_MACHINE = H80000002
Private Declare Function RegCloseKey Lib "advapi32.dll" (ByVal hKey As Long) As Long
Private Declare Function RegOpenKey Lib "advapi32.dll" Alias "RegOpenKeyA" _
(ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Private Declare Function RegCreateKey Lib "advapi32.dll" Alias "RegCreateKeyA" _
(ByVal hKey As Long, ByVal lpSubKey As String, phkResult As Long) As Long
Private Declare Function RegSetValueEx Lib "advapi32.dll" Alias "RegSetValueExA" _
(ByVal hKey As Long, ByVal lpValueName As String, ByVal Reserved As Long, _
ByVal dwType As Long, lpData As Any, ByVal cbData As Long) As Long
Private Declare Function RegQueryValueEx Lib "advapi32.dll" Alias "RegQueryValueExA" _
(ByVal hKey As Long, ByVal lpValueName As String, ByVal lpReserved As Long, _
lpType As Long, lpData As Any, lpcbData As Long) As Long
Private Declare Function RegEnumKey Lib "advapi32.dll" Alias "RegEnumKeyA" (ByVal hKey As Long, ByVal dwIndex As Long, ByVal lpName As String, ByVal cbName As Long) As Long
Dim aaa As String
Private Sub Command1_Click()
Dim hKey As Long, hKey1 As Long, hKey2 As Long, ret As Long, ret1 As Long, lenData As Long, typeData As Long
Dim Name As String, name1 As String, name2 As String, s As String, S1 As String
Dim idx As Integer
idx = 0
Name = String(256, Chr(0))
RegCreateKey HKEY_LOCAL_MACHINE, "System\CurrentControlSet\Services\Class\NetTrans", hKey
Text1.Text = hKey
Do
ret = RegEnumKey(hKey, idx, Name, Len(Name))
If ret = 0 Then
aaa = Left(Name, InStr(Name, Chr(0)) - 1)
aaa = "System\CurrentControlSet\Services\Class\NetTrans\" aaa
ret = RegOpenKey(HKEY_LOCAL_MACHINE, aaa, hKey)
'获得IP地址
If ret = 0 Then
name1 = "IPAddress"
name2 = "IPMask"
ret = RegQueryValueEx(hKey, name1, 0, typeData, ByVal vbNullString, lenData)
s = String(lenData, Chr(0))
RegQueryValueEx hKey, name1, 0, typeData, ByVal s, lenData
If s "" Then s = Left(s, InStr(s, Chr(0)) - 1)
'获得子网掩码
ret1 = RegQueryValueEx(hKey, name2, 0, typeData, ByVal vbNullString, lenData)
S1 = String(lenData, Chr(0))
RegQueryValueEx hKey, name2, 0, typeData, ByVal S1, lenData
If S1 "" Then S1 = Left(S1, InStr(S1, Chr(0)) - 1)
If Val(s) 0 Then
Text1.Text = s
Text2.Text = S1
Command2.Enabled = True
Exit Sub
End If
End If
idx = idx + 1
End If
Loop Until ret 0
End Sub
Private Sub Command2_Click()
Dim hKey As Long
If Text1.Text "" Then
RegCreateKey HKEY_LOCAL_MACHINE, aaa, hKey
' 修改IP地址
RegSetValueEx hKey, "IPAddress", 0, REG_SZ, ByVal Text1.Text, 13
' 修改子网掩码
RegSetValueEx hKey, "IPMask", 0, REG_SZ, ByVal Text2.Text, 13
RegCloseKey hKey
End If
End Sub
建议你使用注册表的API进行修改
封装两个NET函数给你
private string GetReg(string RegPath) 取得注册表项内容
{
string str="";
RegistryKey hkml = Registry.LocalMachine;
RegistryKey software = hkml.OpenSubKey("SOFTWARE",true);
RegistryKey aimdir = software.OpenSubKey("krabs",true);
if (aimdir != null)
{
if (aimdir.GetValue(RegPath) != null)
str = aimdir.GetValue(RegPath).ToString();
if (str != null)
return str;
return null;
}
return null;
}
private bool SetReg(string RegPath,string Data) //设置注册表内容
{
RegistryKey reg = Registry.LocalMachine;
RegistryKey software = reg.OpenSubKey("SOFTWARE", true);
RegistryKey aimdir1 = software.CreateSubKey("krabs");
if (aimdir1 == null)
return false;
aimdir1.SetValue(RegPath, Data);
return true;
}
Dim th As Threading.Thread
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
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"]）
你要问的是不是以上三项在注册表中的位置,下面提供：
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces
项下有很多句柄你可以在里边找到不同的本地连接对应的句柄，在程序里进行修改就可以了,如果找不到，可以先在本地连接属性里修改tcp/ip协议的相应设置，然后到注册表里查找相应的数据就可以定位该位置了！源码这次就不给出了，就是修改注册表，和容易，您可以使用vb自带的函数，也可以使用wsh提供的脚本函数，当然也可以使用winAPI（比较复杂，要严格定义参数类型，即缓冲区，所以简单的修改不建议使用）。
希望您的问题能尽快解决！