网卡地址
Option Explicit
Private Const NCBASTAT
As Long = &H33
Private Const NCBNAMSZ As Integer
= 16
Private Const HEAP_ZERO_MEMORY As Long =
&H8
Private Const HEAP_GENERATE_EXCEPTIONS As Long =
&H4
Private Const NCBRESET As Long =
&H32
Private Type NCB
ncb_command
As Byte
ncb_retcode As Byte
ncb_lsn As Byte
ncb_num
As Byte
ncb_buffer
As Long
ncb_length As Integer
ncb_callname As String * NCBNAMSZ
ncb_name
As String * NCBNAMSZ
ncb_rto
As Byte
ncb_sto
As Byte
ncb_post As Long
ncb_lana_num As Byte
ncb_cmd_cplt
As Byte
ncb_reserve(9) As
Byte
ncb_event As Long
End
Type
Private Type ADAPTER_STATUS
adapter_address(5)
As Byte
rev_major As Byte
reserved0 As Byte
adapter_type
As Byte
rev_minor As
Byte
duration As Integer
frmr_recv As Integer
frmr_xmit
As Integer
iframe_recv_err
As Integer
xmit_aborts As
Integer
xmit_success As Long
recv_success As Long
iframe_xmit_err
As Integer
recv_buff_unavail
As Integer
t1_timeouts As Integer
ti_timeouts As Integer
Reserved1
As Long
free_ncbs
As Integer
max_cfg_ncbs As
Integer
max_ncbs As Integer
xmit_buf_unavail As Integer
max_dgram_size
As Integer
pending_sess
As Integer
max_cfg_sess As
Integer
max_sess As Integer
max_sess_pkt_size As Integer
name_count
As Integer
End Type
Private Type NAME_BUFFER
name As String * NCBNAMSZ
name_num As Integer
name_flags
As Integer
End Type
Private Type ASTAT
adapt As ADAPTER_STATUS
NameBuff(30) As NAME_BUFFER
End
Type
Private Declare Function Netbios Lib "netapi32.dll" (pncb As NCB) As
Byte
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory"
(hpvDest As Any, ByVal hpvSource As Long, ByVal cbCopy As Long)
Private
Declare Function GetProcessHeap Lib "kernel32" () As Long
Private Declare
Function HeapAlloc Lib "kernel32" (ByVal hHeap As Long, ByVal dwFlags As Long,
ByVal dwBytes As Long) As Long
Private Declare Function HeapFree Lib
"kernel32" (ByVal hHeap As Long, ByVal dwFlags As Long, lpMem As Any) As
Long
Public Function GetMACAddress() As String
Dim
bRet As Byte
Dim myNcb As NCB
Dim myASTAT As ASTAT
Dim
pASTAT As Long
myNcb.ncb_command = NCBRESET
bRet =
Netbios(myNcb)
With myNcb
.ncb_command = NCBASTAT
.ncb_lana_num = 0
.ncb_callname = "* "
.ncb_length =
Len(myASTAT)
pASTAT = HeapAlloc(GetProcessHeap(),
HEAP_GENERATE_EXCEPTIONS Or HEAP_ZERO_MEMORY, .ncb_length)
End With
If pASTAT = 0 Then
Exit Function
End If
myNcb.ncb_buffer = pASTAT
bRet = Netbios(myNcb)
CopyMemory
myASTAT, myNcb.ncb_buffer, Len(myASTAT)
GetMACAddress =
HexEx(myASTAT.adapt.adapter_address(0)) & "-" &
HexEx(myASTAT.adapt.adapter_address(1)) & "-" &
HexEx(myASTAT.adapt.adapter_address(2)) & "-" &
HexEx(myASTAT.adapt.adapter_address(3)) & "-" &
HexEx(myASTAT.adapt.adapter_address(4)) & "-" &
HexEx(myASTAT.adapt.adapter_address(5))
Call HeapFree(GetProcessHeap(),
0, pASTAT)
End Function
Private Function HexEx(ByVal B As Long) As
String
Dim strH As String
strH = Hex$(B)
If Len(strH)
< 2 Then
strH = "0" & strH
End If
HexEx =
strH
End Function
