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CD_ROM Drive

Posted on 1999-07-22
Medium Priority
Last Modified: 2010-04-30
How to detect/find a CD-ROM Drive?
Question by:galvani
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1 Comment
LVL 18

Accepted Solution

deighton earned 200 total points
ID: 1526567
     Private Const DRIVE_CDROM = 5
      Private Const DRIVE_FIXED = 3
      Private Const DRIVE_RAMDISK = 6
      Private Const DRIVE_REMOTE = 4
      Private Const DRIVE_REMOVABLE = 2
      Private Const DRIVE_UNKNOWN = 0    'Unknown, or unable to be determined.

      Public Declare Function GetDriveTypeA Lib "kernel32" (ByVal nDrive As String) As Long

Public Function CDletter() As String

    Dim x As String
    Dim c As Integer
    For c = 0 To 25
        x = Chr(Asc("a") + c) & ":\"
        If GetDriveTypeA(x) = DRIVE_CDROM Then
            CDletter = x
            Exit Function
        End If

End Function

      Public Function DriveType(sDrive As String) As String
         ' Returns the drive type if possible.
         Dim lRet As Long

         lRet = GetDriveTypeA(sDrive & ":\")
         Select Case lRet
            Case 0
               'DriveType = "Cannot be determined!"
               DriveType = "Unknown"

            Case 1
               'DriveType = "The root directory does not exist!"
               DriveType = "Unknown"
            Case DRIVE_CDROM:
               DriveType = "CD-ROM Drive"

            Case DRIVE_REMOVABLE:
               DriveType = "Removable Drive"

            Case DRIVE_FIXED:
               DriveType = "Fixed Drive"

            Case DRIVE_REMOTE:
               DriveType = "Remote Drive"
         End Select

      End Function

      Public Function GetDriveType(sDrive As String) As Long

         Dim lRet As Long
         lRet = GetDriveTypeA(sDrive & ":\")

         If lRet = 1 Then
            lRet = 0
         End If

         GetDriveType = lRet

      End Function


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