# DYNCONSTRAINTMODE System Variable [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [System Variables](Help%20System/GSTARCAD/2027/System%20Variables/(System%20Variables).md) → [D](Help%20System/GSTARCAD/2027/System%20Variables/D/(D).md) ## Function Description: The DYNCONSTRAINTMODE system variable is used to display hide dimension constraint when selected constrained objects. | | | | --- | --- | | Type | Integer | | Saved in | Registry | | Initial value | 1 | | Range | 0,1 | ## System Variable Value: **0:** keep constrain hidden when selected objects **1:** display hidden constrain when constrain objects selected **Note:** when hidden dynamic constraint, this system variable takes effect. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/systemVariables_Dgsv/DYNCONSTRAINTMODE.html) · © Gstarsoft Co., Ltd.