Control object visibility.
Toggle the display of control points that are behind the surface.
Conceal objects from view.
Conceal objects in a detail view.
Conceal control and edit points.
Conceal all visible objects and re-displays all previously hidden objects.
Redisplay all hidden objects.
Redisplay selected hidden objects.
Highlight edges of surfaces and polysurfaces. Displays the Edge Analysis control.
Redisplay all hidden control points and edit points.
Lock objects so they cannot be selected for editing.
Unlock all locked objects.
Unlock selected locked objects.
Lock all unlocked objects and unlock all previously locked objects.
Toggle Layer panel.