Use the Graphics page of the Options dialog to control the visibility of assemblies:
- Click File > Options > Application Options > Assembly > Graphics.
- Select the
Visibility from the list:
Active Assembly — Only the current active assembly is visible.
Top Assemblies — Only the top assemblies (those that are not inserted into other assemblies) are visible.
All Assemblies — All Assemblies are visible.
- Update the Turn on/off automatic changing of views option if required. Select the option to change the views automatically when a new component is created. Deselect the option to keep the views even if the component that is created is outside the view bounding box and therefore invisible.