Using a Custom Gesture Recognizer
You can use a custom gesture recognizer independently, or in addition to the GestureRecognizer.
Create your custom gesture recognizer as an IStylusSyncPlugin, have it create CustomStylusData, and include the plug-in in the same StylusSyncPluginCollection as the GestureRecognizer. In the IStylusSyncPlugin, combine gesture notifications from both recognizers into notifications to be consumed by an application.
Build date: 3/6/2012