간트 API속성open_tree_initially이 페이지에서open_tree_initially Description 처음에 모든 브랜치를 엽니다 open_tree_initially: booleanExamplegantt.config.open_tree_initially = true;gantt.init("gantt_here");기본값: falseNeed help?Got a question about the documentation? Reach out to our technical support team for help and guidance. For custom component solutions, visit the Services page.