# DYNCONSTRAINTMODE System Variable [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [System Variables](Help%20System/GSTARCAD/2022/System%20Variables/(System%20Variables).md) → [D](Help%20System/GSTARCAD/2022/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. ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/D/DYNCONSTRAINTMODE%20System%20Variable--c8b3ff88b1d4.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/D/DYNCONSTRAINTMODE%20System%20Variable--c8b3ff88b1d4.md) · [GstarCAD 2018](../../../2018/System%20Variables/D/DYNCONSTRAINTMODE%20System%20Variable--c8b3ff88b1d4.md) · [GstarCAD 2019](../../../2019/System%20Variables/D/DYNCONSTRAINTMODE%20System%20Variable--c8b3ff88b1d4.md) · [GstarCAD 2020](../../../2020/System%20Variables/D/DYNCONSTRAINTMODE%20System%20Variable--c8b3ff88b1d4.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/D/DYNCONSTRAINTMODE%20System%20Variable--c8b3ff88b1d4.md)