gtk/gtk.go
func (v *Notebook) SetTabPos(pos PositionType) {
	C.gtk_notebook_set_tab_pos(v.native(), C.GtkPositionType(pos))
}
func (v *Notebook) SetTabPos(pos PositionType) {
	C.gtk_notebook_set_tab_pos(v.native(), C.GtkPositionType(pos))
}
// SetTabPos() is a wrapper around gtk_notebook_set_tab_pos().