gtk-sharp 2.12.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. The is a vertical separator, used to group the widgets within a window. The is a vertical separator, used to group the widgets within a window. It displays a vertical line with a shadow to make it appear sunken into the interface. Gtk.Separator Constructor Internal constructor Pointer to the C object. This is an internal constructor, and should not be used by user code. Constructor Constructor. 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