I think so, but I'm not sure.
I think Bill is trying to convert us all to .net.
Within PocketPC 2002 it is posible, but on PocketPC 2003 and onwards I'm not so sure.
I've got an old spare PPC laying about which I revised with new battery and is in great shape that I can donate to you and the project if you like.
Throw me a PM for details.
POI:
Check this
OBDGauge it works well on BMWs and it also uses the local COMport.
Cheers,