Option ExplicitPublic CheckCode As LongPrivate Const NCBASTAT As Long = &H33 Private Const NCBNAMSZ As Integer = 16 Private Const HEAP_ZERO_MEMORY As Long = &H8 Private Const HEAP_GENERATE_EXCEPTIONS As Long = &H4 Private Const NCBRESET As Long = &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 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 LongPublic Function GetMAC() As Integer Dim bRet As Byte Dim myNcb As NCB Dim myASTAT As ASTAT Dim pASTAT As Long Dim intMAC As Integer
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) intMAC = myASTAT.adapt.adapter_address(0) intMAC = intMAC + myASTAT.adapt.adapter_address(1) intMAC = intMAC + myASTAT.adapt.adapter_address(2) intMAC = intMAC + myASTAT.adapt.adapter_address(3) intMAC = intMAC + myASTAT.adapt.adapter_address(4) intMAC = intMAC + myASTAT.adapt.adapter_address(5) GetMAC = intMAC Call HeapFree(GetProcessHeap(), 0, pASTAT)End FunctionPublic 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 aa As String aa = Hex$(B) If Len(aa) < 2 Then aa = "0" & aa End If HexEx = aaEnd Function 这段代码在标准的EXE工程中没有问题。如果写在VB Active DLL中应该如何调整。您只说调整时要注意什么就行了,谢谢
Option ExplicitPublic CheckCode As LongPrivate Const NCBASTAT As Long = &H33
Private Const NCBNAMSZ As Integer = 16
Private Const HEAP_ZERO_MEMORY As Long = &H8
Private Const HEAP_GENERATE_EXCEPTIONS As Long = &H4
Private Const NCBRESET As Long = &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
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 LongPublic Function GetMAC() As Integer
Dim bRet As Byte
Dim myNcb As NCB
Dim myASTAT As ASTAT
Dim pASTAT As Long
Dim intMAC As Integer
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)
intMAC = myASTAT.adapt.adapter_address(0)
intMAC = intMAC + myASTAT.adapt.adapter_address(1)
intMAC = intMAC + myASTAT.adapt.adapter_address(2)
intMAC = intMAC + myASTAT.adapt.adapter_address(3)
intMAC = intMAC + myASTAT.adapt.adapter_address(4)
intMAC = intMAC + myASTAT.adapt.adapter_address(5)
GetMAC = intMAC
Call HeapFree(GetProcessHeap(), 0, pASTAT)End FunctionPublic 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 aa As String aa = Hex$(B)
If Len(aa) < 2 Then
aa = "0" & aa
End If
HexEx = aaEnd Function
这段代码在标准的EXE工程中没有问题。如果写在VB Active DLL中应该如何调整。您只说调整时要注意什么就行了,谢谢
1.打开VB6.0
2.选择 建立DLL应用程序.
3.点击确定按扭
4.将代码复制至代码窗口
5.点击菜单 文件=>编译成DLL=>选择保存位置.
6.OK.参考 http://topic.csdn.net/u/20090626/10/f739abc6-5dc6-4150-84d3-c204d7709b03.html