title: What is the meaning of a C++ Wrapper Class?
body: <p>I have a little trouble in understanding a wrapper class. It would be great if some one could help providing apt examples.</p>
  
  <ol>
  <li>What is a C++ Wrapper Class and what are the circumstances of writing it ?</li>
  <li>What is it's use any way ? </li>
  </ol>
  
  <p>Thanks.</p>