Width-In-Cells
This style implies that the value specified for the Size property, the one setting the Grid control’s width, is expressed in CELLS. It is possible to get the same result writing: "Size value CELLS".
 
Example - Define a grid with height and width in cells
screen section.
...
  03 screen-1-gr-1 Grid
     height-in-cells
     width-in-cells
     line 5.7
     column 3.1
     size 34.6 
     lines 15.5 
     id 1
     event procedure screen-1-gr-1-evt-proc
     boxed
     centered-headings
     column-headings
     adjustable-rows
     adjustable-columns
     hscroll
     reordering-columns
     lm-on-columns 1
     row-dividers 1
     end-color 9
     heading-color 200
     heading-divider-color 12
     heading-font Calibri-10v0
     cursor-frame-width 3
     num-col-headings 1
     num-rows 5
     .