title: How can I make a specific TabItem gain focus on a TabControl without click event?
body: <p>How can I tell my TabControl to set the focus to its first TabItem, something like this:</p>
  
  <p><em>PSEUDO-CODE:</em></p>
  
  <pre><code>((TabItem)(MainTabControl.Children[0])).SetFocus();
  </code></pre>