gtk-sharp 2.12.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. A separator used in menus. A separator used in menus. The is a used to group items within a . It displays a horizontal line with a shadow to make it appear sunken into the interface. Gtk.MenuItem Constructor Internal constructor Pointer to the C object. This is an internal constructor, and should not be used by user code. Constructor Creates a new . Creates a new . Gtk.SeparatorMenuItem smi = new Gtk.SeparatorMenuItem (); Property GLib.GType GType Property. a Returns the native value for . Constructor Protected Constructor. a Chain to this constructor if you have manually registered a native value for your subclass. System.Obsolete