MACROMEDIA FLASH 8-COMPONENTS LANGUAGE Reference page 1078

At runtime, when the Speaker 1 SWF file is loaded into the placeholder slide, the overall slide
presentation would have the following structure:
Structure of "master" and "speaker" presentation (runtime)
The properties and methods of the Screen, Slide, and Form classes "ignore" this
node as much as possible. That is, the slide named MyPresentation (along
contentHolder
with its subslides) is part of the contiguous slide tree rooted at the Presentation slide, and is
not treated as a separate subtree.
Screen class (API) (Flash Professional
only)
Inheritance MovieClip >
component > Screen
ActionScript Class Name
The methods, properties, and events of the Screen class allow you to create and manipulate
screens at runtime.
Method summary for the Screen class
The following table lists the method of the Screen class.
Method
Screen.getChildScreen()
1074 Screen class (Flash Professional only)
Inserted at runtime by Loader class
UIObject class > UIComponent class
mx.screens.Screen
Description
Returns the child screen of this screen at a particular index.
> View > Loader