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VB code:
'µ÷ÓÃAPIº¯Êý GetVolumeInformation?

'APIÉùÃ÷:

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

'³ÌÐò:

Private Sub Form_Load()
Dim sDriveLetter As String
Dim RetVal As Long
Dim lpName As String
Dim nSize As Long
Dim nSerial As Long
Dim lpMaxComp As Long
Dim nFileFlags As Long
Dim lpFileName As String
lpName = Space(255)
lpFileName = Space(255)
nSize = 255

sDriveLetter = "G:\" 'ÕâÀïÄã¿ÉÒÔÖ¸¶¨ÈκÎÅ̺Å

RetVal = GetVolumeInformation(sDriveLetter, lpName, _
nSize, nSerial, lpMaxComp, nFileFlags, lpFileName, nSize)
'Äã¿ÉÒÔ¿´³ö,²»½öÄܵõ½ÐòÁкÅ,»¹¿ÉÒԵõ½ÆäËûºÜ¶àÐÅÏ¢
Debug.Print lpName
Debug.Print nSerial
Debug.Print lpMaxComp
Debug.Print nFileFlags
Debug.Print lpFileName
Debug.Print nSize

If RetVal = 0 Then
'ÕâÀïÊÇÄãµ


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