NullFilter File System Minifilter Driver
The NullFilter minifilter is a sample minifilter that shows how to register a minifilter with the filter manager.
Universal Windows Driver Compliant
This sample builds a Universal Windows Driver. It uses only APIs and DDIs that are included in OneCoreUAP.
Design and Operation
The NullFilter minifilter is a simple minifilter that registers itself with the filter manager for no callback operations.
For more information on file system minifilter design, start with the File System Minifilter Drivers section in the Installable File Systems Design Guide.