# CONSTRAINTINFER 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 CONSTRAINTINFER system variable is used to control whether to infer geometric constrains when drawing or editing geometric drawings. Add a new icon![](548732bf072090f859b5aaf8b9dceca05b8eae66dde19086a71b519af8f08f88.png) to the status bar to indicate whether Infer Constraints is enabled or disabled. | | | | --- | --- | | Type | Integer | | Saved in | Registry | | Initial value | 0 | | Range | 0,1 | ## System Variable Value: **0:** do not to infer geometric constrains **1:** infer geometric constrains --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/systemVariables_Cgsv/CONSTRAINTINFER.html) · © Gstarsoft Co., Ltd.