title: How to add a separator to a WinForms ContextMenu?
body: <p>Inside my control, I have:</p>
  
  <pre><code>ContextMenu = new ContextMenu();
  ContextMenu.MenuItems.Add(new MenuItem("&amp;Add Item", onAddSpeaker));
  ContextMenu.MenuItems.Add(new MenuItem("&amp;Edit Item", onEditSpeaker));
  ContextMenu.MenuItems.Add(new MenuItem("&amp;Delete Item", onDeleteSpeaker));
  ContextMenu.MenuItems.Add( ??? );
  ContextMenu.MenuItems.Add(new MenuItem("Cancel"));
  </code></pre>
  
  <p>How to add a separation line to this ContextMenu?</p>