Higher z-order = above other UIElement.
By default, every UIElement have the same z-order.
Because the sort is stable, tree traversal order is the default order (depth first).
The children added last with addChild is considered above its siblings if you don't have legacyZOrder.
Higher z-order = above other UIElement. By default, every UIElement have the same z-order. Because the sort is stable, tree traversal order is the default order (depth first). The children added last with addChild is considered above its siblings if you don't have legacyZOrder.