The IFocusManagerContainer interface defines the interface that
containers implement to host a FocusManager.
The PopUpManager automatically installs a FocusManager
in any IFocusManagerContainer it pops up.
The Button control designated as the default button
for the container.
When controls in the container have focus, pressing the
Enter key is the same as clicking this Button control.
Returns the SystemManager object used by this component.
Implementation public function get systemManager():ISystemManager
Method Detail
contains
()
method
public function contains(child:DisplayObject):Boolean
Language Version :
ActionScript 3.0
Product Version :
Flex 3
Runtime Versions :
Flash Player 9, AIR 1.1
Determines whether the specified display object is a child
of the container instance or the instance itself.
The search includes the entire display list including this container instance.
Grandchildren, great-grandchildren, and so on each return true.
Parameters
child:DisplayObject — The child object to test.
Returns
Boolean — true if the child object is a child of the container
or the container itself; otherwise false.
