insertSubmenu
open fun insertSubmenu(position: <Error class: unknown class>, label: String? = null, submenu: MenuModel)
Convenience function for inserting a submenu menu item into @menu. Combine g_menu_item_new_submenu() and g_menu_insert_item() for a more flexible alternative.
Since
2.32
Parameters
position
the position at which to insert the item
label
the section label, or null
submenu
a #GMenuModel with the items of the submenu