title: Title Bar with Fluent Design System - UWP App
body: <p>I am develop an new UWP app with Fluent Design System, and I want that my background with Acrylic material and I am using <code>&lt;Grid Background="{ThemeResource SystemControlBaseHighAcrylicWindowBrush}"&gt;</code> my I also want that the Title Bar of my UWP app be transparent (with Fluent Design System) and I am use this:</p>
  
  <pre><code>var coreTitleBar = CoreApplication.GetCurrentView().TitleBar;
  coreTitleBar.ExtendViewIntoTitleBar = true;
  </code></pre>
  
  <p>but the minimizing, maximizing, and closing butts do not become transparent, why?</p>
  
  <p>I want the title bar of my application to be the same as the Windows 10 calculator!</p>