NtSetInformationFile - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
#ifndef _NTIOAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
NtSetInformationFile(
    _In_ HANDLE FileHandle,
    _Out_ PIO_STATUS_BLOCK IoStatusBlock,
    _In_reads_bytes_(Length) PVOID FileInformation,
    _In_ ULONG Length,
    _In_ FILE_INFORMATION_CLASS FileInformationClass
    );

#endif

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#ifndef _NTZWAPI_H

NTSYSCALLAPI
NTSTATUS
NTAPI
ZwSetInformationFile(
    _In_ HANDLE FileHandle,
    _Out_ PIO_STATUS_BLOCK IoStatusBlock,
    _In_reads_bytes_(Length) PVOID FileInformation,
    _In_ ULONG Length,
    _In_ FILE_INFORMATION_CLASS FileInformationClass
    );

#endif

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This function is documented in Windows Driver Kit here and here.

(Description of this function is also available in Win2000 DDK)

FileHandle

HANDLE to File Object.

IoStatusBlock

IO result of call.

FileInformation

User's allocated buffer contains data to set to.

Length

Length of FileInformation buffer, in bytes.

FileInformationClass

See FILE_INFORMATION_CLASS for possible information classes and required contents of FileInformation buffer.

Documented by

See also

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