Everything is managed through the DWWM (google it). I do not believe their is a way to interact with the 3D surface, but their are some basic desktop Windows API commands (google it). If you want to replace the desktop you would just have to create a full screen application that uses 3D capabilities that emulates the Windows Desktop.
Regards, Thomas Stockwell Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far, the Universe is winning. Visit my homepage Oracle Studios[^]