Border-Color
This property allows you to set or retrieve the border color of the GRID control. See "Color management" for further details. The border color is applicable only to controls with the Boxed style.
 
Example - define a grid with red border
screen section.
...
  03 screen-1-gr-1 Grid
     line 7.6
     column 5.8
     size 28.2 cells 
     lines 19.8 cells 
     border-color 5
     boxex
     .