title: Open WPF window in WindowsForm APP
body: <p>I added to my WindowsForm app a new WPF window called novoLogin. </p>
  
  <p>After adding it, I added the system.xaml reference....debug fine.</p>
  
  <p>Now I'm trying to open this new window from the existing windowsForm.</p>
  
  <pre><code>novoLogin nl = new novoLogin();
  nl.show();
  </code></pre>
  
  <p>The compiler is giving this error:</p>
  
  <blockquote>
    <p>Error 1   'WindowsFormsApplication1.novoLogin' does not contain a
    definition for 'show' and no extension method 'show' accepting a first
    argument of type 'WindowsFormsApplication1.novoLogin' could be found
    (are you missing a using directive or an assembly reference?)</p>
  </blockquote>