VBA获取网卡的物理地址
时 间:2008-11-17 20:37:37
作 者:江羽 ID:3967 城市:南昌
摘 要:如何获取电脑的网卡物理地址
正 文:
如何获取电脑的网卡物理地址
有些网络代理商通过用户的网卡物理地址来限制某用户的多电脑接入,我以前用广电网络就是如此,为了让我的另一台电脑都能用宽带,我就曾尝试手动修改网卡的物理地址,实现了两台电脑的同时上网,哈哈!下面共享一段获取网卡物理地址的源码。
代码如下:
Option Explicit
Private 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 Long
Public 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 Function
Private 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 = strH
End Function
Debug.Print GetMACAddress
Access软件网官方交流QQ群 (群号:54525238) Access源码网店
常见问答:
技术分类:
源码示例
- 【源码QQ群号19834647...(12.17)
- Access对子窗体数据进行批...(10.30)
- 最精简的组合框行来源数据快速输...(10.25)
- Access仿平台的多值选择器...(10.24)
- 【Access日期区间段查询】...(10.22)
- 【Access源码示例】VBA...(10.12)
- Access累乘示例,Acce...(10.09)
- 数值8.88,把整数8去掉,转...(10.08)
- 【Access自定义函数】一个...(09.30)
- 【Access选项卡示例】Ac...(09.09)
学习心得
最新文章
- Access快速开发平台--对上传...(11.22)
- Access快速开发平台企业版--...(11.18)
- 不会用多表联合查询,多表查询没结果...(11.16)
- 【案例分享】主键字段值含有不间断空...(11.16)
- Access快速开发平台--后台D...(11.14)
- 微软Access邀测新Monaco...(11.12)
- Access列表框左右互选、列表框...(11.11)
- 高效率在导入数据前删除记录(11.10)
- Access报价单转订单示例代码(11.08)
- Access系统自带的日期选择器不...(11.08)