frmmain.frm

扫描本地网络内的机器,包括ip和mac,vb代码

VERSION 5.00
Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
Begin VB.Form frmMain 
   Caption         =   "局域网扫描"
   ClientHeight    =   2085
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   5955
   LinkTopic       =   "Form1"
   ScaleHeight     =   2085
   ScaleWidth      =   5955
   StartUpPosition =   3  '窗口缺省
   Begin VB.ListBox lstRes 
      Appearance      =   0  'Flat
      Height          =   1770
      IntegralHeight  =   0   'False
      Left            =   2940
      TabIndex        =   6
      Top             =   180
      Width           =   2895
   End
   Begin MSWinsockLib.Winsock wskSock 
      Left            =   120
      Top             =   120
      _ExtentX        =   741
      _ExtentY        =   741
      _Version        =   393216
   End
   Begin VB.TextBox txtTo 
      Appearance      =   0  'Flat
      Height          =   285
      Left            =   2108
      TabIndex        =   4
      Top             =   540
      Width           =   495
   End
   Begin VB.TextBox txtFrom 
      Appearance      =   0  'Flat
      Height          =   285
      Left            =   2108
      TabIndex        =   3
      Top             =   180
      Width           =   495
   End
   Begin VB.CommandButton cmdFind 
      Caption         =   "扫描"
      Height          =   375
      Left            =   938
      TabIndex        =   0
      Top             =   960
      Width           =   1215
   End
   Begin VB.Label lblAction 
      Alignment       =   2  'Center
      Height          =   195
      Left            =   360
      TabIndex        =   7
      Top             =   1440
      Width           =   2415
   End
   Begin VB.Label lblNow 
      Alignment       =   2  'Center
      Caption         =   "Ready."
      Height          =   195
      Left            =   315
      TabIndex        =   5
      Top             =   1740
      Width           =   2475
   End
   Begin VB.Label lblFrom 
      Alignment       =   1  'Right Justify
      Caption         =   "起始 000.000.000."
      Height          =   195
      Left            =   488
      TabIndex        =   2
      Top             =   240
      Width           =   1575
   End
   Begin VB.Label lblTo 
      Alignment       =   1  'Right Justify
      Caption         =   "结束 000.000.000."
      Height          =   195
      Left            =   488
      TabIndex        =   1
      Top             =   600
      Width           =   1575
   End
End
Attribute VB_Name = "frmMain"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'' Gonzalo Arreche - 2005
''''''
Option Explicit
Private mmp As clsNet
Private myIp As String
Private netIp As String

Private Function Get_Net_Ip(mIp As String)
    ' Get 3 first numbers of IP and
    ' returns a string like "192.168.62."
    Dim i As Integer
    ' By old way
    Let i = InStr(1, mIp, ".")
    Let i = InStr(i + 1, mIp, ".")
    Let i = InStr(i + 1, mIp, ".")
    Let Get_Net_Ip = Mid(mIp, 1, i)
End Function

Private Sub Add_Mach(mName As String, mIp As String)
    ' Add machine to list
    Call lstRes.AddItem(mName & " (" & mIp & ")")
End Sub

Private Sub cmdFind_Click()
    ' Scan engine :D
    Dim i As Integer
    Dim s As String
    Dim f As Integer, t As Integer
    If (IsNumeric(txtFrom.Text)) Then Let f = txtFrom.Text
    If (IsNumeric(txtTo.Text)) Then Let t = txtTo.Text
    ' Error handler ;)
    If ((f < 0) Or (t < 0)) Then Exit Sub
    If (t < f) Then Exit Sub
    ' ---------
    For i = f To t
        Let lblAction.Caption = "正在扫描中..."
        Let s = netIp & i
        Let lblNow.Caption = s
        DoEvents ' don't say.. :(
        If (s <> myIp) Then ' don't add, it's me !
            If (mmp.Ping(s)) Then '
                Let lblAction.Caption = "分解主机名..."
                DoEvents ' Again..
                Call Add_Mach(mmp.ResolveHostname(s), s)
            End If
        End If
    Next i
    Let lblAction.Caption = ""
    Let lblNow.Caption = "完毕."
End Sub

Private Sub Form_Load()
    ' Setup variables
    Set mmp = New clsNet
    Let myIp = wskSock.LocalIP
    Let netIp = Get_Net_Ip(myIp)
    Let lblFrom.Caption = "起始 " & netIp
    Let lblTo.Caption = "结束 " & netIp
End Sub