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Tip of the Day
Language: VB5,VB6
Expertise: Intermediate
Aug 30, 2001

Retrieve information on all available drives

You can retrieve information about all the available drives using calls to Windows API, if you like the hard way of doing things. A much simpler solution is offered by the Microsoft Scripting Runtime library, that exposes a Drive object that lets you get all those info by querying a property:

' NOTE: this code requires that you add a reference to the
'       Microsoft Scripting Runtime type library

Dim fso As New Scripting.FileSystemObject
Dim drv As Scripting.Drive
Dim info As String

For Each drv In fso.Drives
    ' display drive name and type
    info = "Drive " & drv.DriveLetter & vbCrLf
    info = info & "  Type: "
    ' we must decode this value
    Select Case drv.DriveType
        Case Removable: info = info & "Removable" & vbCrLf
        Case Fixed: info = info & "Fixed" & vbCrLf
        Case CDRom: info = info & "CDRom" & vbCrLf
        Case Remote: info = info & "Remote" & vbCrLf
        Case RamDisk: info = info & "RamDisk" & vbCrLf
        Case Else: info = info & "Unknown" & vbCrLf
    End Select

    If Not drv.IsReady Then
        ' if the drive isn't ready we can't do much more
        info = info & "  Not Ready" & vbCrLf
    Else
        ' retreive all additional info
        info = info & "   File System: " & drv.FileSystem & vbCrLf
        info = info & "   Label: " & drv.VolumeName & vbCrLf
        info = info & "   Serial number: " & drv.SerialNumber & vbCrLf
        info = info & "   Total space: " & drv.TotalSize & vbCrLf
        info = info & "   Free space: " & drv.FreeSpace & vbCrLf
    End If
    
    ' do something with the gathered info
    ' (display in a textbox in this case)
    Text1.Text = Text1.Text & info
Next
Francesco Balena
 
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