gtk-sharp 2.10.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. Event sender. Event arguments. Event handler. The following events utilize this delegate: Event data is passed via the parameter. To attach a to an event, add the ScrollAdjustmentsSetHandler instance to the event. The methods referenced by the ScrollAdjustmentsSetHandler instance are invoked whenever the event is raised, until the ScrollAdjustmentsSetHandler is removed from the event. System.Delegate System.Void