title: C# dialog form with blur background
body: <p>Good afternoon,</p>
  
  <p>Just a simple question. Is it possible to make a parent form blurry while you show a new dialog form in winforms? if it's not possible by default, are there any workarounds? here is just a sample picture of what I want to archive:
  <img src="https://i.stack.imgur.com/pFYks.jpg" alt="enter image description here"></p>