CompositionTarget Class
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Represents the display surface of a Windows Phone-based application.
Assembly: System.Windows (in System.Windows.dll)
The CompositionTarget type exposes the following members.
The purpose of this class is as the host of the Rendering event, which can be used as a per-frame callback for complex layout or composition scenarios. Handling CompositionTarget::Rendering and working with a DispatcherTimer are two possible ways to handle game loops or other lower level timing tasks.

