A place where CanvasElements can register themselves for rebuilding.
| instance | Get the singleton registry. |
| IsRebuildingGraphics | Are graphics being rebuild. |
| IsRebuildingLayout | Is layout being rebuilt? |
| RegisterCanvasElementForGraphicRebuild | Rebuild the graphics of the given element. |
| RegisterCanvasElementForLayoutRebuild | Rebuild the layout of the given element. |
| UnRegisterCanvasElementForRebuild | Remove the given element from rebuild. |