gtk-sharpGtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.GLib.SignalArgsPasses data to handlers of events.ConstructorCreates a new object that encapsulates the data that has been pushed onto a message stack.PropertySystem.UInt32Retrieve the context identifier for the message that was added.An integer context ID.PropertySystem.StringRetrieve the text that was 'pushed'.The string added to the top of the Statusbar's message stack