title: Operator '==' cannot be applied to operands of type 'Thickness' and 'string'
body: <p>I am using timer for made animation and when it margins come to the value, I want should stop.
  "Bir" is my shape and "ZamanSayacıA" is my timer.</p>
  
  <pre><code>if (Bir.Margin == "510, 410, 0, 0")
          {
              ZamanSayacıA.Stop();
          }
  </code></pre>
  
  <p>And gives the following error.</p>
  
  <blockquote>
    <p>Operator '==' cannot be applied to operands of type 'Thickness' and 'string'</p>
  </blockquote>