title: How can I check if website is already opened in a webbrowser?
body: <p>I'm doing this:</p>
  
  <pre><code>Process.Start("http://www.google.com");
  </code></pre>
  
  <p>After the default webbrowser is opened the website i want to check somehow that the website is  opened by the webbrowser and close the specicif tab with this website.</p>
  
  <p>To make a button click event that will check that if the website is already opened then close it.</p>