May be used to globally change the size of all the items comprising the user interface of w2x-app. More information. Value: percentage between 100 and 400 or -1 which means: use system settings. Default: -1.

May be used to change the Look&Feel of w2x-app. More information.Value: Java™ class name of a Look And Feel or "-" (an alias for "default") or "default" or "fallback" (means: system LAF). Default: "default".

Use the native file chooser in preference to the multi-platform file chooser. Value: true or false. Default: false (because file extension filters are not supported when the native file chooser is invoked by Java™).

This user preference is ignored on platforms other than Windows and the Mac.