title: How to get all children of a parent control?
body: <p>I'm looking for an code example how to get all children of parent control. </p>
  
  <p>I have no idea how do it.</p>
  
  <pre><code>foreach (Control control in Controls)
  {
    if (control.HasChildren)
    {
      ??
    }
  }
  </code></pre>