Hello,

Try if this link will help you:

www sysinternals com/ntw2k/source/ctrl2cap.shtml

It is kerrnel-mode device driver that filters the system's keyboard class driver.

At the bottom check for related info:

The Windows NT and Windows 2000 DDK sample \src\storage\filter\diskperf
The Windows 2000 DDK sample \src\input\kbfiltr

hope it helps,
asmith