Unity Engine documentationScript ReferenceUnityEditorUnityEditor.IMGUI.ControlsTreeView<TIdentifier>TreeView<TIdentifier>.DragAndDropPositionOutsideItemsThis value is used when dragging outside all items.阅读时间1 分钟最后更新于 2 个月前Definition Type: Field Namespace: UnityEditor.IMGUI.Controls Assembly: UnityEditor.CoreModule OutsideItems = 2