title: Can i set the window border color in WPF?
body: <p>May i know how to set the window style or color? The image below is my WPF
  <img src="https://i.stack.imgur.com/iq0xc.jpg" alt="enter image description here"></p>
  
  <p>I want to set my window become something like the app below:</p>
  
  <p><img src="https://i.stack.imgur.com/43N63.png" alt="enter image description here"></p>
  
  <p>Thanks.</p>