title: Icon blending animation in WPF
body: <p>I love the whole concept of Material Design, and especially its animations! And on my phones Musicplayer when pressing the Play/Pause button a relly neat animation starts blending between the two icons like this:</p>
  
  <p><img src="https://i.stack.imgur.com/12B1N.gif" alt="enter image description here"></p>
  
  <p>How can you do something like this in WPF? Maybe with Paths?
  Tips would be really appreciated!! thanks</p>