USB Reference

This section includes:
USB Constants and Enumerations
USB Routines
USB Structures
WDF USB Reference (KMDF and UMDF 2.0)

Reference information for KMDF and UMDF 2.0 client drivers. Starting in UMDF version 2.0, you can write a UMDF-based client driver in the C programming language that calls most KMDF methods. These methods are not supported in UMDF 2.0:

UMDF 1.x USB Reference

Reference information for user-mode client drivers that use UMDF interfaces versions 1.11 and earlier. The must be written by using the COM programming model.

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