Io ho fatto un piccolo esempio;
Private Declare Function mciSendString 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 Command1_Click()
Call mciSendString("set cdaudio door open wait", 0&, 0&, 0&)
End Sub
ma non funziona...
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