title: Is it possible to create a button in WPF with rounded corners to the outer AND the inner of a button?
body: <p>I'd like to create a button style with a rounded corner to the outside AND the inside of a button control with XAML like in the picture. Is that possible? If yes - how is this to be done?
  <a href="https://i.stack.imgur.com/IbTG2.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/IbTG2.png" alt="enter image description here"></a></p>