# Constraint Settings [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [User Guide](Help%20System/GSTARCAD/2021/User%20Guide/(User%20Guide).md) → [Additional Pages](Help%20System/GSTARCAD/2021/User%20Guide/Additional%20Pages/(Additional%20Pages).md) ## **Constraint Settings** You can select the options to display different dimensional constraints effect in the Constraint Settings dialog box. ##  **Dimensional name format:** Value, Name and Expression are the three options, you can select to get different dimensional constraint text effects. **Show lock icon for annotational constraints:** You can select if the lock icon for annotational constraints should be shown or not. **Show hidden dynamic constraints for selected objects**: GstarCAD will display the relevant dynamic constraints for selected objects automatically,if you check this option. --- Gstarsoft Co.,Ltd ## Other versions with matching text [GstarCAD 2017](../../../2017/User%20Guide/Additional%20Pages/Constraint%20Settings.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/User%20Guide/Additional%20Pages/Constraint%20Settings.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/User%20Guide/Additional%20Pages/Constraint%20Settings.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/User%20Guide/Additional%20Pages/Constraint%20Settings.md)