Raw PDO to send IOCTL to upper filter driver (kbfiltr/moufiltr) to enable/disable device

Question

I am quite new to driver development and trying to write a simple filter driver that will enable or disable a keyboard or mouse device. If I can make it work, I want to use it t

Answer 1

First of all: You can do what you want to do (disable the touchpad on my laptop when a mouse is plugged in) in the user-mode. It will be much simpler and safer. Look at Using Device Installation Functions and WM_DEVICECHANGE

To debug problems in your code: Get a memory dump from BSOD or setup a kernel debugger connection (using a COM-port on your virtual PC redirected to a pipe). See Debugging Tools for Windows

Have fun!