Private Sub OPEN_Click()
    mciSendString "Set CDAudio Door Open Wait", _
    0&, 0&, 0&
End Sub
Private Sub CLOSE _Click()
    mciSendString "Set CDAudio Door Closed Wait", _
    0&, 0&, 0&
End Sub
Private Sub Both_click()
    mciSendString "Set CDAudio Door Open Wait", _
    0&, 0&, 0&
    mciSendString "Set CDAudio Door Closed Wait", _
    0&, 0&, 0&
End Sub