Apply style for buttons in all Windows in WPF

Question

I have a style setup in my XAML for the creation of round corner Buttons in my WPF window. I would like this style to apply to all buttons on all windows in my

Answer 1

The easiest way according to me is:

1. Right click on a button in design surface

2. Choose Edit Template->Edit a Copy

3. Choose "Define in Application" radio button

4. The Style will be created in App.xaml file

5. Add that resource to every button using "style" tag