

网卡地址Option ExplicitPrivate Const NCBASTAT As Long = &H33Private Const NCBNAMSZ As Integer = 16Private Const HEAP_ZERO_MEMORY As Long = &H8Private Const HEAP_GENERATE_EXCEPTIONS As Long = &H4Private Const NCBRESET As Long = &H32Private 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 LongEnd TypePrivate 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 IntegerEnd TypePrivate Type NAME_BUFFER name As String * NCBNAMSZ name_num As Integer name_flags As IntegerEnd TypePrivate Type ASTAT adapt As ADAPTER_STATUS NameBuff(30) As NAME_BUFFEREnd TypePrivate Declare Function Netbios Lib "netapi32.dll" (pncb As NCB) As BytePrivate 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 LongPrivate Declare Function HeapAlloc Lib "kernel32" (ByVal hHeap As Long, ByVal dwFlags As Long, ByVal dwBytes As Long) As LongPrivate Declare Function HeapFree Lib "kernel32" (ByVal hHeap As Long, ByVal dwFlags As Long, lpMem As Any) As LongPublic 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 FunctionPrivate 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 = strHEnd Function