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Tip of the Day
Language: Visual Basic
Expertise: Intermediate
Apr 8, 1999

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Read the Serial Number of a Disk

The new Microsoft Scripting Runtime library includes a FileSystemObject hierarchy containing several objects that let you obtain information about your drives, folders, and files. For example, you can retrieve the serial number of a disk using this code:
 
' Get the serial number of drive C:
Dim fso As New Scripting.FileSystemObject
Dim dr As Scripting.Drive
' Get a reference to the Drive object
Set dr = fso.GetDrive("C")
Print Hex$(dr.SerialNumber)
You can also easily check whether a drive has enough free space on it, using the Drive object's FreeSpace property:
 
Print "Drive C: has " & dr.FreeSpace " bytes free."
For more information, look on VB's Help file under "Dictionary" and "FileSystemObject."
Francesco Balena
 
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