# CENTERMARKEXE System Variable [GstarCAD 2027](Help%20System/GSTARCAD/2027/Index.md) → [System Variables](Help%20System/GSTARCAD/2027/System%20Variables/(System%20Variables).md) → [C](Help%20System/GSTARCAD/2027/System%20Variables/C/(C).md) ## Function Description: The CENTERMARKEXE system variable is used to determine whether centerlines extend automatically from new center marks. | | | | --- | --- | | Type | Switch | | Saved in | Drawing | | Initial value | 1 | The CENTERMARKEXE system variable applies only to center marks created using the CENTERMARK command. ## System Variable Value: **0****:** Hides the centerlines extending from a center mark. **1:** Displays the centerlines extending from a center mark. --- [Original help](https://www.gstarcad.net/help/GstarCAD_2027_en-US/detail/systemVariables_Cgsv/CENTERMARKEXE.html) · © Gstarsoft Co., Ltd.