gtkArrowNew(arrow.type = NULL, shadow.type = NULL, show = TRUE)
gtkArrowSet(object, arrow.type, shadow.type)
gtkArrow(arrow.type = NULL, shadow.type = NULL, show = TRUE)GObject
+----GInitiallyUnowned
+----GtkObject
+----GtkWidget
+----GtkMisc
+----GtkArrowGtkBuildable.GtkMisc, it can be padded and/or aligned, to fill exactly the
space the programmer desires. Arrows are created with a call to gtkArrowNew. The direction or
style of an arrow can be changed after creation by using gtkArrowSet.gtkArrow is the equivalent of gtkArrowNew.arrow-type [GtkArrowType : Read / Write]shadow-type [GtkShadowType : Read / Write]