title: What are the libraries should use when using WMI
body: <p>I am working with Visual studio 2008. What libraries should be used when using <code>WMI</code>. I have imported many libraries but they don't  work</p>
  
  <pre><code>ConnectionOptions options = new ConnectionOptions();
  </code></pre>
  
  <p>I am using these <code>Namespaces</code>:</p>
  
  <pre><code>using System.Management;
  using System.Security;
  </code></pre>