两种取网卡序列号方法

对于一机多卡和在win98下无WMI服务，取网卡号需两种方法同时用:

 
    If sSystemVer = "WINDOWS98" Then
        Text1 = EthernetAddressA  '取网卡号
    Else
        Text1 = EthernetAddress  '取网卡号使用WMI
    End If
    If sSystemVer = "WINDOWSNT" And (Len(Text1) = 0 Or Text1 = "000000000000") Then
        Text1 = EthernetAddressA  '取网卡号
    End If
    If Len(Text1) <> 12 Or Text1 = "000000000000" Then
        MsgBox "取网卡序列号错误，请联络系统管理员！", vbCritical, "帮助信息"
        Label2(1).Visible = True
    End If

以下为module1内容:
Declare Function SetWindowPos Lib "user32" (ByVal hWnd As Long, ByVal hWndInsertAfter As Long, ByVal x As Long, ByVal Y As Long, ByVal cx As Long, ByVal cy As Long, ByVal wFlags As Long) As Long
Public sSystemVer As String    '运行本程序系统版本

'* 取网卡地址--//.........

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
'* 以上为取网卡地址定义--//.......................

Public Function EthernetAddress() As String   '使用WMI取网卡号,win2000和XP下用
   On Error GoTo ErrorHandle
   Dim objs, obj
   Set objs = GetObject("winmgmts:").ExecQuery("SELECT MACAddress " & _
      "FROM Win32_NetworkAdapter WHERE " & _
      "((MACAddress Is Not NULL) AND (Manufacturer <> 'Microsoft'))")
   For Each obj In objs   '有多个网卡，只取一个
      EthernetAddress = obj.MACAddress
      Exit For
   Next
   '取回来的格式为 00:00:00:00:00,去掉中间的:
   EthernetAddress = Replace(EthernetAddress, ":", "")
   Exit Function
ErrorHandle:
'    MsgBox "取网卡号错误，系统不能正常使用，请检查您的电脑硬件设备！" & Chr(13) & "请查看“服务”中WMI服务项是否有打开！", vbCritical, "帮助信息"
End Function

Public Function EthernetAddressA() As String  '在Win98下用
  ' 调用 EthernetAddress,该函数返回的字符串就是当前机器上网卡的以太序列号。
   Dim tmp As String
   Dim pASTAT As Long
   Dim NCB As NET_CONTROL_BLOCK
   Dim AST As ASTAT
On Error GoTo ErrorHandle
   NCB.ncb_command = NCBRESET
   Call Netbios(NCB)

   NCB.ncb_callname = "*               "
   NCB.ncb_command = NCBASTAT
   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
   EthernetAddressA = tmp
   Exit Function
ErrorHandle:
    MsgBox "取网卡号错误，系统不能正常使用，请升级您的操作系统为Win2000或winXP！", vbCritical, "帮助信息"
End Function

Public Sub SystemVer()

    Dim Maj As Integer
    Dim Min As Integer
    Dim Version As String
 
    WinVer Maj, Min, Version
   
    'Windows版本信息及系统目录"
   
    '操作系统名称=
        'MsgBox Version
    'Windows版本=
        'MsgBox CStr(Maj) + "." + CStr(Min)
       
    sSystemVer = Version
   
End Sub
 
Public Sub WinVer(ByRef intMajor As Integer, ByRef intMinor As Integer, ByRef strPlatform As String)

Dim OSystem As OSVERSIONINFO
OSystem.dwOSVersionInfoSize = 148

If apiGetVersion(OSystem) Then
    intMajor = OSystem.dwMajorVersion   ' Store the Major version in intMajor
    intMinor = OSystem.dwMinorVersion   ' Store the Minor version in intMinor
   
    Select Case OSystem.dwPlatformId    ' Set strPlatform
    Case 0
        strPlatform = "Windows" + CStr(intMajor) + "." + CStr(intMinor)
    Case 1
        strPlatform = "WINDOWS98"
    Case 2
        strPlatform = "WINDOWSNT"
    End SelectElse
    intMajor = 0
    intMinor = 0
    strPlatform = ""
End If
End Sub