PLACA DE REDE

MADMAX 11/08/2009 17:09:50
#319602 Resposta escolhida

Variaveis.
[ô]Mac Address
Private Const NCBNAMSZ As Long = 16
Private Const NCBENUM As Long = &H37
Private Const NCBRESET As Long = &H32
Private Const NCBASTAT As Long = &H33
Private Const HEAP_ZERO_MEMORY As Long = &H8
Private Const HEAP_GENERATE_EXCEPTIONS As Long = &H4

Private Type NET_CONTROL_BLOCK [ô]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 [ô]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_(0 To NCBNAMSZ - 1) As Byte
name_num As Byte
name_flags As Byte
End Type

Private Type ASTAT
adapt As ADAPTER_STATUS
NameBuff(0 To 29) As NAME_BUFFER
End Type

Private Declare Function Netbios Lib [Ô]netapi32[Ô] _
(pncb As NET_CONTROL_BLOCK) As Byte

Private Declare Sub CopyMemory Lib [Ô]kernel32[Ô] _
Alias [Ô]RtlMoveMemory[Ô] (hpvDest As Any, ByVal _
hpvSource As Long, ByVal cbCopy As Long)

Private Declare Function GetProcessHeap Lib [Ô]kernel32[Ô] () As Long

Private Declare Function HeapAlloc Lib [Ô]kernel32[Ô] _
(ByVal hHeap As Long, ByVal dwFlags As Long, _
ByVal dwBytes As Long) As Long

Private Declare Function HeapFree Lib [Ô]kernel32[Ô] _
(ByVal hHeap As Long, ByVal dwFlags As Long, _
lpMem As Any) As Long


---- Função

Private Function fGetMacAddress() As String
Dim L As Long
Dim lngError As Long
Dim lngSize As Long
Dim pAdapt As Long
Dim pAddrStr As Long
Dim pASTAT As Long
Dim strTemp As String
Dim strAddress As String
Dim strMACAddress As String
Dim AST As ASTAT
Dim NCB As NET_CONTROL_BLOCK

[ô]
[ô]---------------------------------------------------------------------------
[ô] Get the network interface card[ô]s MAC address.
[ô]----------------------------------------------------------------------------
[ô]
On Error Resume Next
fGetMacAddress = [Ô][Ô]
strMACAddress = [Ô][Ô]

[ô]
[ô] Try to get MAC address from NetBios. Requires NetBios installed.
[ô]
[ô] Supported on 95, 98, ME, NT, 2K, XP
[ô]
[ô] Results Connected Disconnected
[ô] ------- --------- ------------
[ô] XP OK Fail (Fail after reboot)
[ô] NT OK OK (OK after reboot)
[ô] 98 OK OK (OK after reboot)
[ô] 95 OK OK (OK after reboot)
[ô]
NCB.ncb_command = NCBRESET
Call Netbios(NCB)

NCB.ncb_callname = [Ô]* [Ô]
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 GoTo ErrorHandler

NCB.ncb_buffer = pASTAT
Call Netbios(NCB)

Call CopyMemory(AST, NCB.ncb_buffer, Len(AST))

strMACAddress = right$([Ô]00[Ô] & Hex(AST.adapt.adapter_address(0)), 2) & _
right$([Ô]00[Ô] & Hex(AST.adapt.adapter_address(1)), 2) & _
right$([Ô]00[Ô] & Hex(AST.adapt.adapter_address(2)), 2) & _
right$([Ô]00[Ô] & Hex(AST.adapt.adapter_address(3)), 2) & _
right$([Ô]00[Ô] & Hex(AST.adapt.adapter_address(4)), 2) & _
right$([Ô]00[Ô] & Hex(AST.adapt.adapter_address(5)), 2)

Call HeapFree(GetProcessHeap(), 0, pASTAT)

fGetMacAddress = strMACAddress
Exit Function
ErrorHandler:
End Function


Para usar

Dim VarString as string
VarString : fGetMacAddress

LUTEDIV 13/08/2009 15:03:53
#319776

Vlw cara , obrigado