title: FlipView SelectedItem is not showing when Changing View State?
body: <p>I am using FlipView to show items (adding flip view item from code) and using VirtualizingStackpanel. when I change the View (snapView and fullmode)  will clear flipview items using FlipView.Item.Clear() and do some size calculation and again add items in the flipview. The issue is i am not able to see the item after this and if i tap to the other item and coming back i am able to see the item. Any idea what is causing the issue?</p>
  
  <pre><code>                &lt;FlipView x:Name="fp" Margin="120,0,100,0"  Visibility="Visible" SelectionChanged="onSelectionChanged"&gt;
                  &lt;FlipView.ItemsPanel&gt;
                      &lt;ItemsPanelTemplate&gt;
                          &lt;VirtualizingStackPanel  x:Name="FlipView2ItemsPanel" Background="Transparent" Orientation="Horizontal" &gt;
                         &lt;/VirtualizingStackPanel&gt;
                      &lt;/ItemsPanelTemplate&gt;
                  &lt;/FlipView.ItemsPanel&gt;
          &lt;/FlipView&gt;
  </code></pre>