# BLOCKEDITLOCK System Variable [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [System Variables](Help%20System/GSTARCAD/2027/System%20Variables/(System%20Variables).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 can open the "Enhanced Attribute Editor" dialog box. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/systemVariables/BLOCKEDITLOCK.html) · © Gstarsoft Co., Ltd.