gtk/gtk.go
func (v *Paned) Pack1(child IWidget, resize, shrink bool) {
	C.gtk_paned_pack1(v.native(), child.toWidget(), gbool(resize), gbool(shrink))
}
func (v *Paned) Pack1(child IWidget, resize, shrink bool) {
	C.gtk_paned_pack1(v.native(), child.toWidget(), gbool(resize), gbool(shrink))
}
// Pack1() is a wrapper around gtk_paned_pack1().