unsetmenu
unsetmenu —  interactive button or menu or submenu de-activation  
Calling sequence
unsetmenu(button,[nsub])   
unsetmenu(gwin,button,[nsub])  
Parameters
| button   | : a character string. The button name | 
| gwin   | : integer. The number of graphic window where the button is installed | 
| nsub   | : integer. The number of submenu to de-activate (if any). If button has no sub-menu, nsub is ignored | 
Description
    The function allows the user to desactivate  buttons or menus created by
    addmenu in the main or graphics windows command panels.
Examples
//addmenu('foo')
//unsetmenu('foo')
//unsetmenu('File',2)
 
  See also
delmenu, setmenu, addmenu