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