gtk-sharp Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. System.Enum GLib.GType(typeof(Gtk.ArrowTypeGType)) Used to indicate the direction in which a should point. Field Gtk.ArrowType Represents an downward pointing arrow. Field Gtk.ArrowType Represents a left pointing arrow. Field Gtk.ArrowType Represents no arrow. Field Gtk.ArrowType Represents a right pointing arrow. Field Gtk.ArrowType Represents an upward pointing arrow.