// If the window is marked as visible, then it shouldn't have a dummy view
// If the window is marked hidden, then it should have a dummy view
// wxSpinCtrl (generic) abuses m_isShown, don't use it for any logic
// If the window is marked as visible, then it shouldn't have a dummy view
// If the window is marked hidden, then it should have a dummy view
// wxSpinCtrl (generic) abuses m_isShown, don't use it for any logic