Check this option if you want a grab bar to be drawn below windows. When this option is not selected only a thin border will be drawn in its place.
Brithwch y dewisiad yma os ydych am ddarlunio bar cydio ar waelod ffenestri. Pan nad yw' r dewisiad yma wedi' i ddewis dim ond ffin tenau y darlunir yn ei le.