title: How to add a range of items to an IList?
body: <p>There is no <code>AddRange()</code> method for <code>IList&lt;T&gt;</code>.</p>
  <p>How can I add a list of items to an <code>IList&lt;T&gt;</code> without iterating through the items and using the <code>Add()</code> method?</p>