isCOBOL Evolve : User Interface : Controls Reference : COMBO-BOX : Properties : Pop-Up Menu
Pop-Up Menu
With this property it is possible to associate a pop-up menu with the Combo-Box control by assigning a pop-up menu handle to it. The MSG-INIT-MENU, MSG-MENU-INPUT and MSG-END-MENU events may be generated.
 
Example - Define a combo-box with pop-up menu
working-storage section.
77 hmenu pic s9(9) comp-4.
...
screen section.
...
  03 screen-1-co-1 Combo-Box
     pop-up menu hmenu
     line 19.0
     column 23.0
     size 12.0 cells 
     lines 11.0
     id 13
     max-width 20.0
     layout-data 17
     3-d
     drop-down
     .
...
*> Use w$menu in procedure division to build the pop-up menu
...