Kbfiltr Driver Reference

This section includes the following topics about Kbfiltr, the sample upper-level keyboard filter driver in the MSDN Code Gallery:

Kbfiltr Internal Device Control Requests

Kbfiltr Callback Routines

Kbfiltr is designed to be used with Kbdclass, the system class driver for keyboard devices that are used with Windows 2000 and later versions, and I8042prt, the function driver for a PS/2-style keyboard used with Windows 2000 and later versions. Kbfiltr demonstrates how to filter I/O requests and how to add callback routines that modify the operation of Kbdclass and I8042prt.

For more information about Kbfiltr operation, see the following:

  • The ntddkbd.h WDK header file.

  • The sample Kbfiltr source code in the MSDN Code Gallery.



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