le lettere dei drive dei dc-rom sono nell'array cdrom:
Private Declare Function GetDriveType Lib "kernel32.dll" Alias "GetDriveTypeA" _
(ByVal nDrive As String) As Long
Const DRIVE_CDROM = 5
Const MAX_DRIVE_CDROM = 3
Private Sub Form_Load()
Dim cdrom(MAX_DRIVE_CDROM - 1) As String
For i = 0 To Drive1.ListCount - 1
If GetDriveType(Drive1.List(i)) = DRIVE_CDROM Then
cdrom(n) = Drive1.List(i)
n = n + 1
End If
Next i
'''''''''''''''
for i=0 to 1
msgbox cdrom(i)
next i
''''''''''''''
End Sub
for i=0 to 1
msgbox cdrom(i)
next i
cosi visualizzi l'array che contiene le lettere