Do extra using statements impact the compilation time?
<blockquote>
  <p><strong>Possible Duplicates:</strong><br>
  <a href="http://stackoverflow.com/questions/136278/why-should-you-remove-unnecessary-c-using-directives">Why should you remove unnecessary C# using directives?</a><br>
  <a href="http://stackoverflow.com/questions/641234/overhead-to-unused-using-declarations">overhead to unused &ldquo;using&rdquo; declarations ?</a>  </p>
</blockquote>



<p>I was wondering, is it matter if I use extra using statements, does it take more time to compile, does it cause anything bad?
Thanks.</p>
