Sending periodic notifications (Windows Store apps using C#/VB/C++ and XAML)
A tile can set up a periodic poll of a specified Uniform Resource Identifier (URI) on a web server to get updated tile or badge content. If you are new to the concept of periodic notifications, please read the Periodic notification overview.
These topics assume that you have a working knowledge of tile and notification concepts and terminology.
This topic shows you how to launch periodic polling of a URL for updated content for your app's tile.
Build date: 11/16/2013