The active option is the design option that is currently being edited. If you are editing an option, the current view displays the main model and the active option.
To determine whether you are currently editing a design option, use one of the following methods:
If the status bar does not display the active design option, enable this feature by clicking View tabWindows panelUser Interface drop-downStatus Bar - Design Options.
If the drop-down list displays Main Model, you are not currently editing a design option.