CONSTRAINTBAR command
Shows and hides constraint bars.
Icon: 
Description
Shows and hides constraint bars next to entities constrained with geometric constraints.
Note: Constraint Bars are initially hidden when a drawing is
opened.
Options
- Show
- Displays the constraint bar next to the entities you selected.
- Hide
- Hides the constraint bar next to the entities you selected.
- Reset
- Relocates constraint bars to their default positions, which is near the midpoint of the entity.