title: Windows phone 8.1 get map corners geopoint
body: <p>I trying to find the Geopoint of corners</p>
  
  <ul>
  <li>TopLeft</li>
  <li>TopRight</li>
  <li>BottomLeft</li>
  <li>BottomRight</li>
  </ul>
  
  <p>The information that MapControl provides is</p>
  
  <ul>
  <li>Center (Geopoint)</li>
  <li>ZoomLevel (Double min:1, max:20)</li>
  <li>ActualHeight (Double)</li>
  <li>ActualWidth (Double)</li>
  </ul>
  
  <p>Based on that information can I find  the corners?</p>
  
  <p>I was thinking something like that:</p>
  
  <pre><code>double HalfHeight = Map.ActualHeight / 2;
  double HalfWidth = Map.ActualWidth / 2;
  </code></pre>
  
  <p>So that means that <code>Center</code> Geopoint is located on <code>HalfWdidth</code> (X) and <code>HalfHeight</code> (Y). Can somehow this help me?</p>
  
  <p><strong>Edit:</strong> My problem was very similar with <a href="https://stackoverflow.com/q/24468236/3546760">this</a> question as <a href="https://stackoverflow.com/users/1245450/rbrundritt">rbrundritt</a> mentioned but it was giving only TopLeft and BottomRight. Based on the accepted answer of that question (which is by rbrundritt) I also completed the other two and wrapped them in Extension, check my answer below. Thank you rbrundritt.</p>