Inside each
<DockPanel>
<Image ux:Name="img_large" Url="{url}" Visibility="Hidden" />
<Image ux:Name="img" Url="{url}" />
<Clicked >
<Set img_large.Visibility="Visible" />
</Clicked>
</DockPanel>
How to set img_large to be full screen image? (Dockpanel limits its area)
or
How to add a panel that covers the full screen inside the DockPanel?