This interface defines a way to create and operate overlay content.
Instances of OverlayIO keep track of content as it is created and removed, and lay it out on the screen using available methods.
Defines known types of overlays. To use a type from this list, use types, spelled lowercase.
Insert overlay content as a child of another.
Insert new overlay content.
Get an overlay type defined in OverlayIO.
Load a resource by reference. This is the same as Node.load.
See Implementation
This interface defines a way to create and operate overlay content.
Instances of OverlayIO keep track of content as it is created and removed, and lay it out on the screen using available methods.