# PICKBOX [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [System Variables](Help%20System/GSTARCAD/2022/System%20Variables/(System%20Variables).md) → [P](Help%20System/GSTARCAD/2022/System%20Variables/P/(P).md) ## Function Description: The PICKBOX system variable is used to set the target height of object selection in pixes. | | | | --- | --- | | Type | Integer | | Saved in | Registry | | Initial value | 3 | **Note:** if specified PICKBOX to be 0, the preview of object selection is unavailable. ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/P/PICKBOX.md) · [GstarCAD 2017](Help%20System/GSTARCAD/2017/System%20Variables/P/PICKBOX.md) · [GstarCAD 2018](Help%20System/GSTARCAD/2018/System%20Variables/P/PICKBOX.md) · [GstarCAD 2019](Help%20System/GSTARCAD/2019/System%20Variables/P/PICKBOX.md) · [GstarCAD 2020](Help%20System/GSTARCAD/2020/System%20Variables/P/PICKBOX.md) · [GstarCAD 2021](Help%20System/GSTARCAD/2021/System%20Variables/P/PICKBOX.md)