Threading with OpenNI
There is now a single thread updating all OpenNI generators. There used to be exceptions when running the depth and image generator datasources in parallel.
I've implemented an example on how to control the mouse. There are several modes you can play with. It's not that good yet. It's checked in as separate project, it's not added to the binary yet.
Pin Code Interface Source Code
The source code is now on CodePlex. You can find it in the WPF samples project.