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读出网卡号码

王朝vb·作者佚名  2006-01-08
窄屏简体版  字體: |||超大  

Option Explicit

Private Const NCBASTAT = &H33

Private Const NCBNAMSZ = 16

Private Const HEAP_ZERO_MEMORY = &H8

Private Const HEAP_GENERATE_EXCEPTIONS = &H4

Private Const NCBRESET = &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 ' Reserved, must be 0

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

Private Function EthernetAddress(LanaNumber As Long) As String

Dim udtNCB As NCB

Dim bytResponse As Byte

Dim udtASTAT As ASTAT

Dim udtTempASTAT As ASTAT

Dim lngASTAT As Long

Dim strOut As String

Dim x As Integer

udtNCB.ncb_command = NCBRESET

bytResponse = Netbios(udtNCB)

udtNCB.ncb_command = NCBASTAT

udtNCB.ncb_lana_num = LanaNumber

udtNCB.ncb_callname = "* "

udtNCB.ncb_length = Len(udtASTAT)

lngASTAT = HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS Or HEAP_ZERO_MEMORY, udtNCB.ncb_length)

strOut = ""

If lngASTAT Then

udtNCB.ncb_buffer = lngASTAT

bytResponse = Netbios(udtNCB)

CopyMemory udtASTAT, udtNCB.ncb_buffer, Len(udtASTAT)

With udtASTAT.adapt

For x = 0 To 5

strOut = strOut & Right$("00" & Hex$(.adapter_address(x)), 2)

Next x

End With

HeapFree GetProcessHeap(), 0, lngASTAT

End If

EthernetAddress = strOut

End Function

Private Sub Command1_Click()

Me.Caption = EthernetAddress(0)

MsgBox "NetCard Number:" + (Chr(13)) + EthernetAddress(0)

End Sub

 
 
 
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