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로컬 IP 가지고 오기

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 · 2011-03-17 (목) 11:49:34 · 2752
Option Explicit
'=========// IP 주소 가져오기 //==========================================================
Public Const ERROR_SUCCESS As Long = 0
Public Const MAX_ADAPTER_NAME_LENGTH As Long = 256
Public Const MAX_ADAPTER_DESCRipTION_LENGTH As Long = 128
Public Const MAX_ADAPTER_ADDRESS_LENGTH As Long = 8


Public Type ip_ADDRESS_STRING
ipAddr(0 To 15) As Byte
End Type


Public Type ip_MASK_STRING
ipMask(0 To 15) As Byte
End Type



Public Type ip_ADDR_STRING
dwNext As Long
ipAddress As ip_ADDRESS_STRING
ipMask As ip_MASK_STRING
dwContext As Long
End Type


Public Type ip_ADAPTER_INFO
dwNext As Long
ComboIndex As Long 'reserved
sAdapterName(0 To (MAX_ADAPTER_NAME_LENGTH + 3)) As Byte
sDescription(0 To (MAX_ADAPTER_DESCRipTION_LENGTH + 3)) As Byte
dwAddressLength As Long
sipAddress(0 To (MAX_ADAPTER_ADDRESS_LENGTH - 1)) As Byte
dwIndex As Long
uType As Long
uDhcpEnabled As Long
CurrentipAddress As Long
ipAddressList As ip_ADDR_STRING
GatewayList As ip_ADDR_STRING
DhcpServer As ip_ADDR_STRING
bHaveWins As Long
PrimaryWinsServer As ip_ADDR_STRING
SecondaryWinsServer As ip_ADDR_STRING
LeaseObtained As Long
LeaseExpires As Long
End Type


Public Declare Function GetAdaptersInfo Lib "iphlpapi.dll" _
(pTcpTable As Any, _
pdwSize As Long) As Long


Public Declare Sub CopyMemory Lib "kernel32" _
Alias "RtlMoveMemory" _
(dst As Any, _
src As Any, _
ByVal bcount As Long)


Public Declare Function DeleteUrlCacheEntry Lib "Wininet.dll" _
Alias "DeleteUrlCacheEntryA" _
(ByVal lpszUrlName As String) As Long


Public Declare Function lstrlenW Lib "kernel32" _
(ByVal lpString As Long) As Long



Public Function LocalipAddress() As String

On Error Resume Next

Dim cbRequired As Long
Dim buff() As Byte
Dim ptr1 As Long
Dim sipAddr As String
Dim Adapter As ip_ADAPTER_INFO

LocalipAddress = ""

Call GetAdaptersInfo(ByVal 0&, cbRequired)

If cbRequired > 0 Then
ReDim buff(0 To cbRequired - 1) As Byte
If GetAdaptersInfo(buff(0), cbRequired) = ERROR_SUCCESS Then
ptr1 = VarPtr(buff(0))
Do While (ptr1 <> 0)
CopyMemory Adapter, ByVal ptr1, LenB(Adapter)
With Adapter
sipAddr = TrimNull(StrConv(.ipAddressList.ipAddress.ipAddr, vbUnicode))
If Len(sipAddr) > 0 Then Exit Do
ptr1 = .dwNext
End With 'With Adapter
Loop 'Do While (ptr1 <> 0
End If 'If GetAdaptersInfo
End If 'If cbRequired > 0

LocalipAddress = sipAddr

End Function

Public Function TrimNull(startstr As String) As String

TrimNull = Left$(startstr, lstrlenW(StrPtr(startstr)))

End Function<div class='small'>[이 게시물은 관리자님에 의해 2011-10-31 16:46:12 기타에서 이동 됨]</div>
#개발자팁 #개발자 #팁자료실 #기타
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