User Controls allow you to encapsulate common passages of XAML that you intend to use frequently, whether on a single page or across the entire app. However, User Controls are most helpful when you want to change the size of the data template for a GridView or ListView when employing an adaptive layout. This video shows you how.
Full series source code: https://github.com/Windows-Readiness/AbsoluteBeginnersWin10
PDF: Coming Soon