A method is provided for signaling and acknowledging events associated with resource objects organized in a foldable object tree displayed by a GUI. When an event occurs on a resource object, an event indicator is placed not only on the resource object's icon in the object tree, but also on all the icons...http://www.google.com/patents/US6078324?utm_source=gb-gplus-sharePatent US6078324 - Event signaling in a foldable object tree
