BKGCOLOR System Variable — GstarCAD 2026 8013 kbadmin September 26, 2026 System Variable Reference 2026 4 BKGCOLOR System Variable GstarCAD 2026 · System Variables Type Integer Saved-in Registry Initial value 256 Range 0-256 Stores the background color in drawing window. Other versions with matching text 2013 · 2015 · 2016 · 2017 · 2018 · 2019 · 2020 · 2021 · 2022 · 2023 · 2024 · 2025 · 2027