code: func (v *Menu) InsertSection(position int, label string, section *MenuModel) {
  	cstr1 := (*C.gchar)(C.CString(label))
  	defer C.free(unsafe.Pointer(cstr1))
  
  	C.g_menu_insert_section(v.native(), C.gint(position), cstr1, section.native())
  }
docs: // InsertSection is a wrapper around g_menu_insert_section().