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Silverlight for Windows Phone Toolkit, introduced in Chapter 9, “Silverlight Toolkit Controls,” abstracts low-level touch events and further consolidates touch event data into a set of events representing the various single and multitouch gesture types.
Toolkit gestures harness the Touch.FrameReported event (described in the previous section “Touch and TouchPoint Classes”) to provide high-level gesture information.
Unless you require low-level touch point data, UIElement and Toolkit gestures are the recommended way to add single and multitouch capabilities to your apps.