FAQ: Will WPF 4’s support for Touch on Windows 7 work in partial trust
Top secret internal Microsoft mail thread…that may answer a future question you have…read bottom-up. (ok, perhaps not Top Secret).
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From: Answer Person
Yes, manipulation and touch events are available in PT. However you cannot implement your own touch device.
From: Question Person
Subject: XBAP and multi touch in Windows7
Will all multi touch features in WPF 4 be available when running on Windows 7 as XBAPs as well?