获得地址: 1)在Visual Basic创建 Form1。 2)在Form1中添加一命令按钮,缺省名为Command1。 3)把下列代码放到Form1中说明部分。 Option Explicit Private Const NCBASTAT = &H33 Private Const NCBNAMSZ = 16 Private Const HEAP_ZERO_MEMORY = &H8 Private Const HEAP_GENERATE_EXCEPTIONS = &H4 Private Const NCBRESET = &H32 Private Type NCB ncb_command As Byte 'Integer ncb_retcode As Byte 'Integer ncb_lsn As Byte 'Integer ncb_num As Byte ' Integer ncb_buffer As Long 'String ncb_length As Integer ncb_callname As String * NCBNAMSZ ncb_name As String * NCBNAMSZ ncb_rto As Byte 'Integer ncb_sto As Byte ' Integer ncb_post As Long ncb_lana_num As Byte 'Integer ncb_cmd_cplt As Byte 'Integer ncb_reserve(9) As Byte ' Reserved, must be 0 ncb_event As Long End Type Private Type ADAPTER_STATUS adapter_address(5) As Byte 'As String * 6 rev_major As Byte 'Integer reserved0 As Byte 'Integer adapter_type As Byte 'Integer rev_minor As Byte 'Integer 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 把下面的代码放入Command1_Click的事件中: Private Sub Command1_Click() Dim myNcb As NCB Dim bRet As Byte myNcb.ncb_command = NCBRESET bRet = Netbios(myNcb) myNcb.ncb_command = NCBASTAT myNcb.ncb_lana_num = 0 myNcb.ncb_callname = "* " Dim myASTAT As ASTAT, tempASTAT As ASTAT Dim pASTAT As Long myNcb.ncb_length = Len(myASTAT) Debug.Print Err.LastDllError pASTAT = HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS _ Or HEAP_ZERO_MEMORY, myNcb.ncb_length) If pASTAT = 0 Then Debug.Print "memory allcoation failed!" Exit Sub End If myNcb.ncb_buffer = pASTAT bRet = Netbios(myNcb) Debug.Print Err.LastDllError CopyMemory myASTAT, myNcb.ncb_buffer, Len(myASTAT) MsgBox Hex(myASTAT.adapt.adapter_address(0)) & " " & _ Hex(myASTAT.adapt.adapter_address(1)) _ & " " & Hex(myASTAT.adapt.adapter_address(2)) & " " _ & Hex(myASTAT.adapt.adapter_address(3)) _ & " " & Hex(myASTAT.adapt.adapter_address(4)) & " " _ & Hex(myASTAT.adapt.adapter_address(5)) HeapFree GetProcessHeap(), 0, pASTAT End Sub 4)按F5,运行该程序。 5)点击Command1。注意,网卡地址将在一信息框中显示出来。
1)在Visual Basic创建 Form1。
2)在Form1中添加一命令按钮,缺省名为Command1。
3)把下列代码放到Form1中说明部分。 Option Explicit
Private Const NCBASTAT = &H33
Private Const NCBNAMSZ = 16
Private Const HEAP_ZERO_MEMORY = &H8
Private Const HEAP_GENERATE_EXCEPTIONS = &H4
Private Const NCBRESET = &H32 Private Type NCB
ncb_command As Byte 'Integer
ncb_retcode As Byte 'Integer
ncb_lsn As Byte 'Integer
ncb_num As Byte ' Integer
ncb_buffer As Long 'String
ncb_length As Integer
ncb_callname As String * NCBNAMSZ
ncb_name As String * NCBNAMSZ
ncb_rto As Byte 'Integer
ncb_sto As Byte ' Integer
ncb_post As Long
ncb_lana_num As Byte 'Integer
ncb_cmd_cplt As Byte 'Integer
ncb_reserve(9) As Byte ' Reserved, must be 0
ncb_event As Long
End Type Private Type ADAPTER_STATUS
adapter_address(5) As Byte 'As String * 6
rev_major As Byte 'Integer
reserved0 As Byte 'Integer
adapter_type As Byte 'Integer
rev_minor As Byte 'Integer
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 把下面的代码放入Command1_Click的事件中: Private Sub Command1_Click()
Dim myNcb As NCB
Dim bRet As Byte
myNcb.ncb_command = NCBRESET
bRet = Netbios(myNcb)
myNcb.ncb_command = NCBASTAT
myNcb.ncb_lana_num = 0
myNcb.ncb_callname = "* "
Dim myASTAT As ASTAT, tempASTAT As ASTAT
Dim pASTAT As Long
myNcb.ncb_length = Len(myASTAT)
Debug.Print Err.LastDllError
pASTAT = HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS _
Or HEAP_ZERO_MEMORY, myNcb.ncb_length)
If pASTAT = 0 Then
Debug.Print "memory allcoation failed!"
Exit Sub
End If
myNcb.ncb_buffer = pASTAT
bRet = Netbios(myNcb)
Debug.Print Err.LastDllError
CopyMemory myASTAT, myNcb.ncb_buffer, Len(myASTAT)
MsgBox Hex(myASTAT.adapt.adapter_address(0)) & " " & _
Hex(myASTAT.adapt.adapter_address(1)) _
& " " & Hex(myASTAT.adapt.adapter_address(2)) & " " _
& Hex(myASTAT.adapt.adapter_address(3)) _
& " " & Hex(myASTAT.adapt.adapter_address(4)) & " " _
& Hex(myASTAT.adapt.adapter_address(5))
HeapFree GetProcessHeap(), 0, pASTAT
End Sub 4)按F5,运行该程序。
5)点击Command1。注意,网卡地址将在一信息框中显示出来。