form1.frm

vb实用编程150例(光盘) 是我从网上下载的

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "读出驱动器序列号"
   ClientHeight    =   2970
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   3915
   LinkTopic       =   "Form1"
   ScaleHeight     =   2970
   ScaleWidth      =   3915
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command1 
      Caption         =   "读出"
      Height          =   375
      Left            =   1320
      TabIndex        =   2
      Top             =   1920
      Width           =   975
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   960
      TabIndex        =   1
      Text            =   "c"
      Top             =   1080
      Width           =   855
   End
   Begin VB.Label Label2 
      Caption         =   "驱动器:"
      Height          =   375
      Left            =   360
      TabIndex        =   3
      Top             =   1200
      Width           =   735
   End
   Begin VB.Label Label1 
      Caption         =   "驱动器序列号"
      Height          =   255
      Left            =   2520
      TabIndex        =   0
      Top             =   1200
      Width           =   1215
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Declare Function GetVolumeInformation Lib _
"kernel32.dll" Alias "GetVolumeInformationA" (ByVal _
lpRootPathName As String, ByVal lpVolumeNameBuffer As _
String, ByVal nVolumeNameSize As Integer, _
lpVolumeSerialNumber As Long, lpMaximumComponentLength _
As Long, lpFileSystemFlags As Long, ByVal _
lpFileSystemNameBuffer As String, ByVal _
nFileSystemNameSize As Long) As Long

 

'代码如下:

 

Function GetSerialNumber(strDrive As String) As Long

Dim SerialNum As Long

Dim Res As Long

Dim Temp1 As String

Dim Temp2 As String

Temp1 = String$(255, Chr$(0))

Temp2 = String$(255, Chr$(0))

Res = GetVolumeInformation(strDrive, Temp1, _
Len(Temp1), SerialNum, 0, 0, Temp2, Len(Temp2))

GetSerialNumber = SerialNum

End Function

 
Private Sub Command1_Click()
 Label1.Caption = GetSerialNumber(Text1.Text + ":\")

 
End Sub

Private Sub form_load()


'使用该函数:

 



'它将告诉磁盘序号。

End Sub