3. Supported user preferences
| B. User preferences |

### 3. Supported user preferences

displayScaling

  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`.

lookAndFeelClassName

  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"`.

useNativeFileChooser

  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.

2. Where user preferences are stored |  |