Jaime Rodriguez On Windows Store apps, Windows Phone, HTML and
XAML    • Jaime Rodriguez      Introduction to WPF 4 Multitouch
This tutorial recaps the multitouch features in WPF 4, as of the
Beta 2 release.     I also included two basic samples to get you
jumpstarted with working code:      A Multitouch Backgrounder
Multitouch is simply an abstraction from the OS (or a platform)
that routes touch input to an application.      The OS exposes
multitouch input with different levels of control and/or
detail.  For example, Windows 7 exposes multitouch data in three
modes:      • Raw touch provides access to all touch messages.
Aggregation or interpretation of the messages is left to the
application. This level of access is useful for programs that
require raw access to all the primitives possibly for some
custom interpretation and handling of the messages. For example
Corel Paint It Touch and Windows 7 Paint require this level of
control to implement drawing. Other possible consumers for this
level of