title: File Search with specific Extension
body: <p>How can i search for files with particular extension, the search should be carried out through all the logical drives availbale in my computer.<br>
  i tried like  </p>
  
  <pre><code>var di = new Directoryinfo(" somepath");  
  Files = di.GetFiles("*.txt");  
  </code></pre>
  
  <p>But my problem is search should carried out in Each and every folder.</p>
  
  <p>Thank you,</p>