borland.jbcl Packages  borland.jbcl Class Hierarchy  borland.jbcl.util 

BlackBox interface

borland.jbcl.util.BlackBox

About the BlackBox interface


Implemented by ButtonBar, ButtonControl, CheckboxControl, CheckboxPanel, ChoiceControl, FieldControl, GridControl, ImageControl, ListControl, LocatorControl, NavigatorControl, StatusBar, TabsetControl, TextAreaControl, TextFieldControl, TreeControl

The BlackBox is an empty interface that signals that the component is a non-container. A component that implements BlackBox cannot have a layout or contain other objects within it, even if it is a subclass of Container.