WPF4 allows applications to implement custom touch devices. We added this functionality to allow Surface SDK to be built on WPF multi-touch APIs directly. As we announced at PDC09, the next version of the Surface SDK will implement WPF multi-touch devices...

Another interesting MSR multi-touch project: Pictionaire This research project combines computer object recognition and Surface style multitouch interactions for collaboration. It’s based on a modified version of the Surface SDK ...

One of the most common usage of multi-touch input is for panning, zooming and rotation. With WPF4, the easiest way to implement these gestures is by using the Manipulation events on UIElements. Manipulation events also support simple inertial physics...