Use-Tab
When this style is set, the user can navigate through the Grid control using the [Tab] and [Shift+Tab] keys.
 
Example - Define a grid that may use tab to navigate thru cells
screen section.
...
  03 screen-1-gr-1 Grid
     line 5.7
     column 3.1
     size 34.6 cells 
     lines 15.5 cells 
     id 1
     event procedure screen-1-gr-1-evt-proc
     boxed
     no-autosel
     centered-headings
     column-headings
     adjustable-rows
     adjustable-columns
     hscroll
     reordering-columns
     row-headings
     lm-on-columns 1
     use-tab
     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
     .