title: How to delete all folders except "Games" Folder
body: <p>How to delete all folders except "Games" Folder
  I Have This Script Without Except</p>
  
  <pre><code>System.IO.DirectoryInfo di = new DirectoryInfo(a);
  foreach (DirectoryInfo dir in di.GetDirectories())
  {
  dir.Delete(true);
  }
  </code></pre>