# CONSTRAINTBARDISPLAY System Variable [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [System Variables](Help%20System/GSTARCAD/2027/System%20Variables/(System%20Variables).md) → [C](Help%20System/GSTARCAD/2027/System%20Variables/C/(C).md) ## Function Description: The CONSTRAINTBARDISPLAY system variable is used to control the display of constraint bar for the following geometric constraint application and the display of hidden constraint for selected objects. | | | | --- | --- | | Type | Bitecode | | Saved in | Registry | | Initial value | 3 | | Range | 0 ~ 3 | ## System Variable Value: **0:** automatically hide constraint bar after applying geometric constraint **1:** display constraint bar for the selected geometrically constrained objects **2:** after selected constrained objects, all hidden constrained objects display no matter geometric constrains or dimension constrains --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/systemVariables_Cgsv/CONSTRAINTBARDISPLAY.html) · © Gstarsoft Co., Ltd.