class in UnityEngine.Experimental.UIElements
マニュアルに切り替えるVisualElementExtensions is a set of extension methods useful for VisualElement.
| AddManipulator | Add a manipulator associated to a VisualElement. |
| RemoveManipulator | Remove a manipulator associated to a VisualElement. |
| StretchToParentWidth | The given VisualElement's left and right edges will be aligned with the corresponding edges of the parent element. |