WPF global font size

Question

I\'m creating a WPF app and I would like to know the best way to be able to change the font size for every element in the ui. Do I create a resource dictionary and set Style

Answer 1

For any styles in WPF, you should have a separate resource dictionary that contains the styles for your app.

If you want to have a single Font Size that's reused throughout the app then just create a style for that font size. You can either give it a unique name/key to use explicitly or you can set a targetType that will transcend throughout the app.

Explicit Key:

*Note this style can be used with controls that have contentPresenters

For all textblocks in the app: