Po_Pikachu
Po_pikachu@ymail.com
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- 29/4/08
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Mã:
Private Declare Function GetIpAddrTable_API Lib "IpHlpApi" Alias "GetIpAddrTable" (pIPAddrTable As Any, pdwSize As Long, ByVal bOrder As Long) As Long
' Returns an array with the local IP addresses (as strings).
' Author: Christian d'Heureuse, [URL="http://www.source-code.biz"]www.source-code.biz[/URL]
Public Function GetIpAddrTable()
Dim Buf(0 To 511) As Byte
Dim BufSize As Long: BufSize = UBound(Buf) + 1
Dim rc As Long
rc = GetIpAddrTable_API(Buf(0), BufSize, 1)
If rc <> 0 Then Err.Raise vbObjectError, , "GetIpAddrTable failed with return value " & rc
Dim NrOfEntries As Integer: NrOfEntries = Buf(1) * 256 + Buf(0)
If NrOfEntries = 0 Then GetIpAddrTable = Array(): Exit Function
ReDim IpAddrs(0 To NrOfEntries - 1) As String
Dim i As Integer
For i = 0 To NrOfEntries - 1
Dim j As Integer, s As String: s = ""
For j = 0 To 3: s = s & IIf(j > 0, ".", "") & Buf(4 + i * 24 + j): Next
IpAddrs(i) = s
Next
GetIpAddrTable = IpAddrs
End Function
' Test program for GetIpAddrTable.
Public Sub Test()
Dim IpAddrs
IpAddrs = GetIpAddrTable
[A1] = "Nr of IP addresses: " & UBound(IpAddrs) - LBound(IpAddrs) + 1
Dim i As Integer
For i = LBound(IpAddrs) To UBound(IpAddrs)
Cells(i + 2, "A") = IpAddrs(i)
Next
End Sub
