日期：2011-05-01 23:30:00 来源：本站整理
获得磁碟机之Volumn及Serial Number[Access防范]
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实用Access97、2000
这两项磁碟机资料须利用API函数方可获得,代码以下:
Private Declare Function GetVolumeInformation Lib "kernel32" Alias "GetVolumeInformationA" (ByVal lpRootPathName As String, ByVal lpVolumeNameBuffer As String, ByVal nVolumeNameSize As Long, lpVolumeSerialNumber As Long, lpMaximumComponentLength As Long, lpFileSystemFlags As Long, ByVal lpFileSystemNameBuffer As String, ByVal nFileSystemNameSize As Long) As Long
Function GetVolumn(X As String) As String
If Len(X) < 3 Then
X = Left(X, 1) & ":\"
Else
X = Left(X, 3)
End If
Dim nRet As Long, VolName As String, VolSN As Long, MaxCompLen As Long
Dim VolFlags As Long, VolFileSys As String
VolName = Space$(256)
VolFileSys = Space$(256)
nRet = GetVolumeInformation(X, VolName, Len(VolName), _
VolSN, MaxCompLen, VolFlags, _
VolFileSys, Len(VolFileSys))
If nRet = 1 Then
GetVolumn = VolName
Else
GetVolumn = ""
End If
End Function
Function GetNumber(X As String) As String
If Len(X) < 3 Then
X = Left(X, 1) & ":\"
Else
X = Left(X, 3)
End If
Dim nRet As Long, VolName As String, VolSN As Long, MaxCompLen As Long
Dim VolFlags As Long, VolFileSys As String
VolName = Space$(256)
VolFileSys = Space$(256)
nRet = GetVolumeInformation(X, VolName, Len(VolName), _
VolSN, MaxCompLen, VolFlags, _
VolFileSys, Len(VolFileSys))
If nRet = 1 Then
GetNumber = VolSN
Else
GetVolumn = ""
End If
End Function
前面的Declare报告式宣布一个API函数（GetVolumeInformation）,可获得磁碟机的两项资料.
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