vb得到本机网卡的物理地址

vb得到本机网卡的物理地址



'得到本机网卡的物理地址

'新建【工程后】

'在【窗体】代码区 输入以下代码

Private Sub Command1_Click()
End
End Sub

Private Sub Form_Load()
网卡物理地址 = GetMACAddress()

MAC1 = Mid(网卡物理地址, 1, 2)
MAC2 = Mid(网卡物理地址, 4, 2)
MAC3 = Mid(网卡物理地址, 7, 2)
MAC4 = Mid(网卡物理地址, 10, 2)
MAC5 = Mid(网卡物理地址, 13, 2)
MAC6 = Mid(网卡物理地址, 16, 2)

F = "-"
MAC地址 = MAC1 & F & MAC2 & F & MAC3 & F & MAC4 & F & MAC5 & F & MAC6

Text1 = "MAC地址  " & MAC地址

End Sub




'新建【模块】 输入以下代码

Option Explicit

Public Const NCBASTAT As Long = &H33
Public Const NCBNAMSZ As Long = 16
Public Const HEAP_ZERO_MEMORY As Long = &H8
Public Const HEAP_GENERATE_EXCEPTIONS As Long = &H4
Public Const NCBRESET As Long = &H32

Public Type NET_CONTROL_BLOCK  '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

Public 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
  
Public Type NAME_BUFFER
   name        As String * NCBNAMSZ
   name_num    As Integer
   name_flags  As Integer
End Type

Public Type ASTAT
   adapt          As ADAPTER_STATUS
   NameBuff(30)   As NAME_BUFFER
End Type

Public Declare Function Netbios Lib "netapi32.dll" _
   (pncb As NET_CONTROL_BLOCK) As Byte
   
Public Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" _
   (hpvDest As Any, ByVal _
    hpvSource As Long, ByVal _
    cbCopy As Long)
   
Public Declare Function GetProcessHeap Lib "kernel32" () As Long

Public Declare Function HeapAlloc Lib "kernel32" _
    (ByVal hHeap As Long, ByVal dwFlags As Long, _
     ByVal dwBytes As Long) As Long
   
Public Declare Function HeapFree Lib "kernel32" _
    (ByVal hHeap As Long, _
     ByVal dwFlags As Long, _
     lpMem As Any) As Long

Public Function GetMACAddress() As String

  'retrieve the MAC Address for the network controller
  'installed, returning a formatted string
  
   Dim tmp As String
   Dim pASTAT As Long
   Dim NCB As NET_CONTROL_BLOCK
   Dim AST As ASTAT

  'The IBM NetBIOS 3.0 specifications defines four basic
  'NetBIOS environments under the NCBRESET command. Win32
  'follows the OS/2 Dynamic Link Routine (DLR) environment.
  'This means that the first NCB issued by an application
  'must be a NCBRESET, with the exception of NCBENUM.
  'The Windows NT implementation differs from the IBM
  'NetBIOS 3.0 specifications in the NCB_CALLNAME field.
   NCB.ncb_command = NCBRESET
   Call Netbios(NCB)
  
  'To get the Media Access Control (MAC) address for an
  'ethernet adapter programmatically, use the Netbios()
  'NCBASTAT command and provide a "*" as the name in the
  'NCB.ncb_CallName field (in a 16-chr string).
   NCB.ncb_callname = "*               "
   NCB.ncb_command = NCBASTAT
  
  'For machines with multiple network adapters you need to
  'enumerate the LANA numbers and perform the NCBASTAT
  'command on each. Even when you have a single network
  'adapter, it is a good idea to enumerate valid LANA numbers
  'first and perform the NCBASTAT on one of the valid LANA
  'numbers. It is considered bad programming to hardcode the
  'LANA number to 0 (see the comments section below).
   NCB.ncb_lana_num = 0
   NCB.ncb_length = Len(AST)
  
   pASTAT = HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS _
            Or HEAP_ZERO_MEMORY, NCB.ncb_length)
           
   If pASTAT = 0 Then
      Debug.Print "memory allocation failed!"
      Exit Function
   End If
  
   NCB.ncb_buffer = pASTAT
   Call Netbios(NCB)
  
   CopyMemory AST, NCB.ncb_buffer, Len(AST)
  
   tmp = Format$(Hex(AST.adapt.adapter_address(0)), "00") & " " & _
         Format$(Hex(AST.adapt.adapter_address(1)), "00") & " " & _
         Format$(Hex(AST.adapt.adapter_address(2)), "00") & " " & _
         Format$(Hex(AST.adapt.adapter_address(3)), "00") & " " & _
         Format$(Hex(AST.adapt.adapter_address(4)), "00") & " " & _
         Format$(Hex(AST.adapt.adapter_address(5)), "00")
         
  
   HeapFree GetProcessHeap(), 0, pASTAT
  
   GetMACAddress = tmp

End Function



_____________________________________________________________________________ _

中磊UG二次开发教程 梅雷著 qq1821117007
学UG就上UG网 http://www.9sug.com/