# CONSTRAINTBARMODE System Variable [GstarCAD 2026](Help%20System/GSTARCAD/2026/Index.md) → [System Variables](Help%20System/GSTARCAD/2026/System%20Variables/(System%20Variables).md) → [C](Help%20System/GSTARCAD/2026/System%20Variables/C/(C).md) ## Function Description: The CONSTRAINTBARMODE system variable is used to control the display of geometric constrains in constrained bar. | | | | --- | --- | | Type | Bitcode | | Saved in | Registry | | Initial value | 4095 | | Range | 0 ~ 4095 | ## System Variable Value: **1:** horizontal **2:** vertical **4:** perpendicular **8:** parallel **16:**tangent **32:** smooth **64:** coincident **128:** concentric **256:** colinear **512:** symmetric **1024:**equal **2048:** fix --- [Original help](https://www.gstarcad.net/help/GstarCAD_2026_en-US/detail/systemVariables_Cgsv/CONSTRAINTBARMODE.html) · © Gstarsoft Co., Ltd.