How to make an image border in Sketch Flow 4?

I am using Expression Blend + Sketch Flow 4

How to make the image box to have a border?

<Image HorizontalAlignment="Left" Height="100" Border = "2" Margin="60,60,0,0" VerticalAlignment="Top" Width="100"/>

I have try the XAML code with border = "2" But is not working. Any idea ?

You need to wrap your Image with a Border. :)

<Border BorderBrush="Black" BorderThickness="2" ... >
    <Image ... />
</Border>