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 MoveCursorHandler instance to the event. The methods referenced by the MoveCursorHandler instance are invoked whenever the event is raised, until the MoveCursorHandler is removed from the event. System.Delegate System.Void