Option Compare Database
Option Explicit
'Code submitted by taptapyu (taptapyu@yahoo.com)
'Visit his homepage at http://www.taptapyu.com


'******************************************************************
'Origin Created By Verburgh Peter.
'Modified By TapTapYu (taptapyu@yahoo.com)
'The origin example to get the list of IP already very good, i modified it,so
'if user is connected to internet, it will not return the Lan IP
'******************************************************************

Const MAX_IP = 5   'To make a buffer... i dont think you have more than 5 ip on your pc..
Type IPINFO
     dwAddr As Long   ' IP address
    dwIndex As Long ' interface index
    dwMask As Long ' subnet mask
    dwBCastAddr As Long ' broadcast address
    dwReasmSize  As Long ' assembly size
    unused1 As Integer ' not currently used
    unused2 As Integer '; not currently used
End Type
Type MIB_IPADDRTABLE
    dEntrys As Long   'number of entries in the table
    mIPInfo(MAX_IP) As IPINFO  'array of IP address entries
End Type
Type IP_Array
    mBuffer As MIB_IPADDRTABLE
    BufferLen As Long
End Type
Public Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)
Public Declare Function GetIpAddrTable Lib "IPHlpApi" (pIPAdrTable As Byte, pdwSize As Long, ByVal Sort As Long) As Long
'converts a Long to a string
Public Function ConvertAddressToString(longAddr As Long) As String
    Dim myByte(3) As Byte
    Dim Cnt As Long
    CopyMemory myByte(0), longAddr, 4
    For Cnt = 0 To 3
        ConvertAddressToString = ConvertAddressToString + CStr(myByte(Cnt)) + "."
    Next Cnt
    ConvertAddressToString = Left$(ConvertAddressToString, Len(ConvertAddressToString) - 1)
End Function




Public Function GetWanIP() As String
Dim Ret As Long, Tel As Long
Dim bBytes() As Byte
Dim TempList() As String
Dim TempIP As String
Dim Tempi As Long
Dim Listing As MIB_IPADDRTABLE
Dim L3 As String


On Error GoTo END1
    GetIpAddrTable ByVal 0&, Ret, True


    If Ret <= 0 Then Exit Function
    ReDim bBytes(0 To Ret - 1) As Byte
    ReDim TempList(0 To Ret - 1) As String

    'retrieve the data
    GetIpAddrTable bBytes(0), Ret, False

    'Get the first 4 bytes to get the entry's.. ip installed
    CopyMemory Listing.dEntrys, bBytes(0), 4

    For Tel = 0 To Listing.dEntrys - 1
        'Copy whole structure to Listing..
        CopyMemory Listing.mIPInfo(Tel), bBytes(4 + (Tel * Len(Listing.mIPInfo(0)))), Len(Listing.mIPInfo(Tel))
        TempList(Tel) = ConvertAddressToString(Listing.mIPInfo(Tel).dwAddr)
    Next Tel
    'Sort Out The IP For WAN
        TempIP = TempList(0)
        For Tempi = 0 To Listing.dEntrys - 1
            L3 = Left(TempList(Tempi), 3)
            If L3 <> "169" And L3 <> "127" And L3 <> "192" Then
                TempIP = TempList(Tempi)
            End If
        Next Tempi
        GetWanIP = TempIP 'Return The TempIP


Exit Function
END1:
GetWanIP = ""
End Function