loading the enterprise cuix ussing lisp

I would like to know if its posible to load and set the Enterprise and main customisations folder options

Im able to load the main simply ussing the menu command (fomally the Menuload) but i also need to set the enterprise cuix using lisp sofar i have been toying around with the following code but with no luck :(

(defun C:test()
(vl-load-com)
(vla-get-enterprisemenufile (vla-get-files (vla-get-preferences (vlax-get-acad-object)))"C://Users//Gebruiker//appdata//roaming//autodesk//aca 2013//enu//support//acad.cuix")
)

 cpuld anybody help?

Image may be NSFW.
Clik here to view.Image may be NSFW.
Clik here to view.Image may be NSFW.
Clik here to view.Image may be NSFW.
Clik here to view.Image may be NSFW.
Clik here to view.

Image may be NSFW.
Clik here to view.