An object-oriented framework is used to create container objects which are, in turn, used to hold both other objects and information in order to organize the information in a variety of ways. The framework contains a set of pre-defined class information which allows container objects to be constructed...http://www.google.de/patents/US5544302?utm_source=gb-gplus-sharePatent US5544302 - Object-oriented framework for creating and using container objects with built-in properties
