Silverlight 3 supports Multitouch on Windows 7. Touch class –provides input information and resides in System.Windows.Input namespace “FrameReported” event - fired when touch action occurs. Event arguments provide the following info: Timestamp: identify the touch event by time GetTouchPoints function (over specific UI Element) GetPrimaryTouchPoint function (over specific UIElement) SuspendMousePromotionUntilTouchUp function GetTouchPoints returns TouchPointCollection In TouchPointCollection first...