# BLOCKEDITLOCK System Variable [GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [System Variables](Help%20System/GSTARCAD/2020/System%20Variables/(System%20Variables).md) → [B](Help%20System/GSTARCAD/2020/System%20Variables/B/(B).md) **Function Description:** The BLOCKEDITLOCK system variable is forbid to open block editor or edit dynamic block definition. | | | | --- | --- | | Type | Integer | | Saved in | Registry | | Initial value | 0 | | Range | 0,1 | **System Variable Value:** **0:**allow to open block editor **1:** forbid to open block editor When set the BLOCKEDITLOCK system variable to be 1, it displays the "Properties" palettes by double-clicking the dynamic block. If it contained attributes in the block ,double-clicking the dynamic block could open the "Enhanced Attribute Editor" dialog box. --- ## Other versions with matching text [GstarCAD 2016](../../../2016/System%20Variables/B/BLOCKEDITLOCK%20System%20Variable--07ea7b7c335a.md) · [GstarCAD 2017](../../../2017/System%20Variables/B/BLOCKEDITLOCK%20System%20Variable--07ea7b7c335a.md) · [GstarCAD 2018](../../../2018/System%20Variables/B/BLOCKEDITLOCK%20System%20Variable--07ea7b7c335a.md) · [GstarCAD 2019](../../../2019/System%20Variables/B/BLOCKEDITLOCK%20System%20Variable--07ea7b7c335a.md) · [GstarCAD 2021](../../../2021/System%20Variables/B/BLOCKEDITLOCK%20System%20Variable--07ea7b7c335a.md)