Data types in menu.hData structures, typedefs, and enumerations that are available for working with menus.Related linksmenu.hFunctions and structures to build context aware menus. Functions in menu.hFunctions available for working with menus.Menu events Define the menu service events. menu_invocation_t An opaque structure representing a menu invocation. menu_item_t An opaque structure representing a menu item. menu_request_t An opaque structure representing a menu request. menu_sub_item_t An opaque structure representing a menu sub-item.