How to make a Win8.1 app with ScrollViewer respond to size changes

Users expect Windows8.1 apps to resize gracefully – either when they “snap” the app to a particular size, or when they change the orientation of their device. This turns out surprisingly difficult with a ScrollViewer. The details are below… Download full source code – [592k, VB, requires Win8.1/VS2013] Sorry I don’t have C# code….