INavigatorLayout The INavigatorLayout interface indicates that the implementor is an LayoutBase that supports a selectedIndex property.
 AnimationNavigatorLayoutBase A AnimationNavigatorLayoutBase class is a base class for navigator layouts that can animation between indices.
 DropLocation The DropLocation class contains information describing the drop location for the dragged data in a drag-and-drop operation.
 LayoutAxis The DeferredCreationPolicy class defines the constant values for the creationPolicy property of the DeferedGroup class.
 LayoutBase The LayoutBase class defines the base class for all Spark layouts.
 NavigatorLayoutBase A NavigatorLayoutBase class is a base class for navigator layouts.