| [程序語言] Microsoft Visual Basic 4.0,5.0,6.0 [運行平臺] Windows [功能描述] IPX和NETBIOS接口需要網絡地址。該文通過詳細的步驟演示了如何通過VB獲取網卡地址。 步驟： 1)在Visual Basic生成標準的EXE文件。缺省創建 Form1。 2)在Form1中添加一命令按鈕，缺省名為Command1。 3)把下列代碼放到Form1中說明部分。 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 把下面的代碼放入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，運行該程序。 5)點擊Command1。注意，網卡地址將在一信息框中顯示出來。 |
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北京市海淀區中關村南大街9號北京理工科技大廈1402室 京ICP備2023014753號-2
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