title: Strange resource dictionary warnings appear in output window even when the WPF trace settings are turned off
body: <p>I am using Visual studio 2011 beta with the april 2012 update installed .I have my Debugging options -> Output window > WPF trace settings all the values including Resource Dictionaries turned off.But I still continue to see warning messages like </p>
  
  <pre><code>System.Windows.ResourceDictionary Warning: 9 : Resource not found; 
       ResourceKey='CheckBoxCooperStyle1'
  </code></pre>
  
  <p>How to debug this type of warnings provided they are not false positives ?</p>