取得磁碟機(jī)之Volumn及SerialNumber

適用ACCESS97、2000 這兩項(xiàng) 磁碟 機(jī)資料須使用API函數(shù)方可 取得 ，代碼如下： Private Declare Function GetVolumeInformation Lib "kernel32" Alias "GetVolumeInformationA" (ByVal lpRootPathName As String, ByVal lpVolumeNameBuffer As String, ByVal

適用ACCESS97、2000

　這兩項(xiàng)磁碟機(jī)資料須使用API函數(shù)方可取得，代碼如下：
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陳述式宣告一個(gè)API函數(shù)（GetVolumeInformation），可取得磁碟機(jī)的兩項(xiàng)資料。

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