Private Declare Function GetVolumeInformation& Lib "kernel32" _
Alias "GetVolumeInformationA" (ByVal lpRootPathName As String, _
ByVal pVolumeNameBuffer As String, ByVal nVolumeNameSize As Long, _
lpVolumeSerialNumber As Long, lpMaximumComponentLength As Long, _
lpFileSystemFlags As Long, ByVal lpFileSystemNameBuffer As String, _
ByVal nFileSystemNameSize As Long)
Private Const MAX_FILENAME_LEN = 256
Public Function DriveSerial(ByVal sDrv As String) As Long
'Usage:
'Dim ds As Long
'ds = DriveSerial("C")
Dim RetVal As Long
Dim str As String * MAX_FILENAME_LEN
Dim str2 As String * MAX_FILENAME_LEN
Dim a As Long
Dim b As Long
GetVolumeInformation sDrv & ":\", str, MAX_FILENAME_LEN, RetVal, _
a, b, str2, MAX_FILENAME_LEN
DriveSerial = RetVal
End Function
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