title: How to get the RealProxy when I know only the transparent proxy
body: <p>I have a transparent proxy, for instance one generated by WCF:</p>
  
  <pre><code>        ChannelFactory&lt;ICalculator&gt; channelFactory = 
              new ChannelFactory&lt;ICalculator&gt;(
                new NetNamedPipeBinding(),
                "net.pipe://localhost/WcfTransparentProxy/Calculator" );
          ICalculator calculator = channelFactory.CreateChannel();
  </code></pre>
  
  <p>How do I get the RealProxy from the transparent proxy?</p>