title: The scrollview in the xamarin.forms shell will automaticlly margin to top?
body: <p>I find that with xamarin.forms shell. the scrollview will automatically margin to the top,and I cannot change it.Is there any way to change it?</p>
  
  <p>I have tried many solutions and searched ,but there is no one can solve it .
  It seems that It will auto margin for the titlebar(actionbar).I've already hide the navigation bar.</p>
  
  <p>No matter Specify the Height or the x,y position it is not work.</p>
  
  <pre><code>&lt;ContentPage.Content&gt;
      &lt;StackLayout&gt;
            &lt;ScrollView&gt;
               &lt;Image Source="a.png" VerticalOptions="StartAndExpand" /&gt;
            &lt;/ScrollView&gt;
      &lt;/StackLayout&gt;
  &lt;/ContentPage.Content&gt;
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/q3FSi.png" rel="nofollow noreferrer">enter image description here</a></p>
  
  <p>I want to Make the Image up to the top and do not leave white space.</p>