title: What does "throw;" by itself do?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/2999298/difference-between-throw-and-throw-new-exception">difference between throw and throw new Exception()</a>  </p>
  </blockquote>
  
  
  
  <p>What would be the point of just having</p>
  
  <pre><code>catch (Exception)
  {
      throw;
  }
  </code></pre>
  
  <p>What does this do?</p>