gtk-sharp2.12.0.0Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details.Represents the packing location of children. (See: , , and ).System.EnumGLib.GType(typeof(Gtk.PackTypeGType))FieldGtk.PackTypeThe child is packed into the start of the box.FieldGtk.PackTypeThe child is packed into the end of the box