title: How to set FontSize in pt if we use StaticResource or DynamicResource?
body: <p>currently i am using fontsize resource as</p>
  
  <pre><code> &lt;sys:Double x:Key="FontSize13"&gt;13&lt;/sys:Double&gt;
  &lt;sys:Double x:Key="FontSize12"&gt;12&lt;/sys:Double&gt;
  &lt;sys:Double x:Key="FontSize11"&gt;11&lt;/sys:Double&gt;
  </code></pre>
  
  <p>and using as  </p>
  
  <pre><code>        &lt;Setter Property="FontSize"
              Value="{DynamicResource FontSize13}" /&gt;
  </code></pre>
  
  <p>How to set the FontSize in point like 10pt instead of pixel?</p>