Windows Driver Kit: User-Mode Driver Framework
IWDFFile
The IWDFFile interface exposes the file object that represents the HANDLE that is returned by the Microsoft Win32 CreateFile function. All further operations on this handle, such as calls to the Win32 ReadFile function and the DeviceIoControl function, are sent to this file object.
In addition to the methods that IWDFFile inherits from the IWDFObject interface, IWDFFile supports the following methods: