ExecutiveSummaryComponent The base #BonoboObject that implements GNOME/Evolution/Summary/Component. This #GtkObject wrapper around the GNOME/Evolution/Summary/Component, is the base object that has all the other interfaces aggregated onto it. These interfaces are: GNOME/Evolution/HTMLView, Bonobo/Control, Bonobo/EventSource, Bonobo/PropertyBag, Bonobo/PropertyControl and Bonobo/PersistStream. Each of the aggregated interfaces performs a specific job in the creation of the service. #ExecutiveSummaryHtmlView, #BonoboControl, #BonoboEventSource, #BonoboPropertyBag, #BonoboPropertyControl, #BonoboPersistStream. Casts a #GtkObject to an #ExecutiveSummaryComponent. @obj: A #GtkObject. @Returns: