EngUnmapFile function (winddi.h)

The EngUnmapFile function unmaps the view of a file from system space.

Syntax

ENGAPI BOOL EngUnmapFile(
  [in] ULONG_PTR iFile
);

[in] iFile

Pointer to the identifier of the mapped file. This identifier was obtained in a prior call to EngMapFile.

EngUnmapFile returns TRUE upon success. Otherwise, it returns FALSE.

Requirement	Value
Minimum supported client	Available in Windows 2000 and later versions of the Windows operating systems.
Target Platform	Universal
Header	winddi.h (include Winddi.h)
Library	Win32k.lib
DLL	Win32k.sys