When a folder is visited this viewer is used unless you have selected another view for that particular folder. Possible values are "list_view", "icon_view" and "compact_view".
Pan ymwelir â phlygell, dyma'r gwelydd a ddefnyddir os nad ydych wedi dewis gwelydd arall ar gyfer y plygell hwnnw. Gwerthoedd posib yw "list_view" ac "icon_view".