Background-Color
This property allows you to set or retrieve the background color of the Combo-Box control. See "Color management" for further details.
 
Example - Define a combo-box in screen section with dark cyan background color
screen section.
...
03 screen-1-co-1 Combo-Box
   line 19.0
   column 23.0
   size 12.0 cells 
   lines 11.0
   background-color 3
   id 13
   3-d
   drop-down
   .