Code to open & close CD-Rom with VB

VB Code:
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
    
Public Sub OpenCDDriveDoor(ByVal State As Boolean)
    If State = True Then
        Call mciSendString("Set CDAudio Door Open", 0&, 0&, 0&)
    Else
        Call mciSendString("Set CDAudio Door Closed", 0&, 0&, 0&)
    End If
End Sub
    
Private Sub Command1_Click()
    OpenCDDriveDoor (True)
End Sub
    
Private Sub Command2_Click()
    OpenCDDriveDoor (False)
End Sub