title: explicitly refer to a class without a namespace in C#
body: <p>The code I'm working with has a class called <strong>Environment</strong> that is not in any namespace.  Unfortunately if I am in a class that imports the <strong>System</strong> namespace, there is no way to refer to the custom class called <strong>Environment</strong>.  I know this was an unfortunate choice and should be refactored, but is there any way I can explicitly refer to the conflicting class?  </p>
  
  <p>In C++ it seems the way to do this is by using <strong>::</strong>, and in Java there is something called <strong>global::</strong>  How do I do it in C#?</p>