In WPF, how to set an outer, centered, and inner border?
<p>When I set a border for a button, for example, it is an outer border. But What if I would want it to be centered or inner, what would be the simplest way?</p>

<p>Here is what I mean:</p>

<p><a href="https://i.stack.imgur.com/D5yRK.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/D5yRK.jpg" alt="http://i.imgur.com/88ibeiz.jpg"></a></p>