title: WPF: Something standard and similar to the `SplitContainer`?
body: <p>Is there something standard and similar to the Windows Forms <strong><code>SplitContainer</code> in WPF</strong>? </p>
  
  <p>I'm a bit lost with Grids because controls seem not to be inside the cells but over them :s.</p>
  
  <p><em>I did some googling but I don't know exactly what to write in the search field...</em></p>