弹出 CD-ROM
Const CDROM = 4
For Each d in CreateObject("Scripting.FileSystemObject").Drives
If d.DriveType = CDROM Then
Eject d.DriveLetter & ":/"
End If
Next
Sub Eject(CDROM)
Dim ssfDrives
ssfDrives = 17
CreateObject("Shell.Application")_
.Namespace(ssfDrives).ParseName(CDROM).InvokeVerb("E&ject")
End Sub