Unity Engine documentationScript ReferenceUnityEngineUnityEngine.UIElementsBaseTreeViewControllerCollapseAll()Collapses all items in the tree and refreshes the view.読み終わるまでの所要時間 1 分最終更新 1ヶ月前Definition Type: Method Namespace: UnityEngine.UIElements Assembly: UnityEngine.UIElementsModule public void CollapseAll()