title: How to make Label Text Underline?
body: <p>How can I make <code>Label</code> text <code>Underline</code> in WPF? I am stucked and could not find any property for underline:</p>
  
  <pre><code>&lt;Label Name="lblUserName"
         Content="Username"
         FontSize="14" FontWeight="Medium" /&gt;
  </code></pre>