Option Explicit
Private Declare Function CDdoor Lib "winmm.dll" Alias "mciSendStringA" _
(ByVal lpstrCommand As String, ByVal lpstrReturnString As String, _
ByVal uReturnLength As Long, ByVal hwndCallback As Long) As Long
Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
Select Case Button
Case 1:
Call CDdoor("set CDAudio door open", 0, 0, 0)
Case 2:
Call CDdoor("set CDAudio door closed", 0, 0, 0)
Case 4:
End
End Select
End Sub
this VB code I think you know how to use it .so....