问如何在没有控制台的情况下创建gui应用程序？

EN

(* ocamlc -I +labltk labltk.cma gui.ml -o gui.exe *)

open Tk ;;

let top = openTk () ;;
Wm.title_set top "Application 1" ;;
Wm.geometry_set top "200x500";;

let blue = Button.create ~text:"Blue" top ;;
let red = Button.create ~text:"Red" top ;;
pack [blue ; red];;

let mylist = Listbox.create ~selectmode:`Multiple top
let _ = Listbox.insert
    ~index:`End
    ~texts:["Mozart";"Chopin";"Beethoven";"Verdi";"Bizet"]
    mylist ;;
pack [mylist];;

let _ = Printexc.print mainLoop ();;