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The execute_menu() function is used to monitor the state of the menu and to return the action_id of the menu option activated by the user. This option does not require any arguments. See the snippet of code above for the usage example.
MAIN
DEFINE
main_menu_id INT,
submenu1_id,exit_id INT,
action_id INT
LET main_menu_id = create_menu()
LET submenu1_id = menu_add_submenu(main_menu_id, "menu1")
CALL menu_add_option(submenu1_id, "menu1_submenu1 ",101)
CALL menu_add_option(submenu1_id, "menu1_submenu2 ",102)
CALL menu_add_option(submenu1_id, "menu1_submenu3 ",103)
LET exit_id = menu_add_option(main_menu_id, "exit",199)
LET action_id = 0
WHILE TRUE
CALL menu_publish()
LET action_id = execute_menu()
IF action_id = 0 THEN
CONTINUE WHILE
END IF
CASE action_id
WHEN 101
DISPLAY "you pressed 'menu1_submenu1'" AT 5,1
WHEN 102
DISPLAY "you pressed 'menu1_submenu2'" AT 5,1
WHEN 103
DISPLAY "you pressed 'menu1_submenu3'" AT 5,1 ATTRIBUTE (BLUE)
WHEN 199
EXIT WHILE
END CASE
END WHILE
END MAIN