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FILE_INFORMATION_CLASS enumeration (wdm.h)

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A value that specifies which structure to use to query or set information for a file object.

Syntax

typedef enum _FILE_INFORMATION_CLASS {
    FileDirectoryInformation                         = 1,
    FileFullDirectoryInformation,                   // 2
    FileBothDirectoryInformation,                   // 3
    FileBasicInformation,                           // 4
    FileStandardInformation,                        // 5
    FileInternalInformation,                        // 6
    FileEaInformation,                              // 7
    FileAccessInformation,                          // 8
    FileNameInformation,                            // 9
    FileRenameInformation,                          // 10
    FileLinkInformation,                            // 11
    FileNamesInformation,                           // 12
    FileDispositionInformation,                     // 13
    FilePositionInformation,                        // 14
    FileFullEaInformation,                          // 15
    FileModeInformation,                            // 16
    FileAlignmentInformation,                       // 17
    FileAllInformation,                             // 18
    FileAllocationInformation,                      // 19
    FileEndOfFileInformation,                       // 20
    FileAlternateNameInformation,                   // 21
    FileStreamInformation,                          // 22
    FilePipeInformation,                            // 23
    FilePipeLocalInformation,                       // 24
    FilePipeRemoteInformation,                      // 25
    FileMailslotQueryInformation,                   // 26
    FileMailslotSetInformation,                     // 27
    FileCompressionInformation,                     // 28
    FileObjectIdInformation,                        // 29
    FileCompletionInformation,                      // 30
    FileMoveClusterInformation,                     // 31
    FileQuotaInformation,                           // 32
    FileReparsePointInformation,                    // 33
    FileNetworkOpenInformation,                     // 34
    FileAttributeTagInformation,                    // 35
    FileTrackingInformation,                        // 36
    FileIdBothDirectoryInformation,                 // 37
    FileIdFullDirectoryInformation,                 // 38
    FileValidDataLengthInformation,                 // 39
    FileShortNameInformation,                       // 40
    FileIoCompletionNotificationInformation,        // 41
    FileIoStatusBlockRangeInformation,              // 42
    FileIoPriorityHintInformation,                  // 43
    FileSfioReserveInformation,                     // 44
    FileSfioVolumeInformation,                      // 45
    FileHardLinkInformation,                        // 46
    FileProcessIdsUsingFileInformation,             // 47
    FileNormalizedNameInformation,                  // 48
    FileNetworkPhysicalNameInformation,             // 49
    FileIdGlobalTxDirectoryInformation,             // 50
    FileIsRemoteDeviceInformation,                  // 51
    FileUnusedInformation,                          // 52
    FileNumaNodeInformation,                        // 53
    FileStandardLinkInformation,                    // 54
    FileRemoteProtocolInformation,                  // 55

        //
        //  These are special versions of these operations (defined earlier)
        //  which can be used by kernel mode drivers only to bypass security
        //  access checks for Rename and HardLink operations.  These operations
        //  are only recognized by the IOManager, a file system should never
        //  receive these.
        //

    FileRenameInformationBypassAccessCheck,         // 56
    FileLinkInformationBypassAccessCheck,           // 57

        //
        // End of special information classes reserved for IOManager.
        //

    FileVolumeNameInformation,                      // 58
    FileIdInformation,                              // 59
    FileIdExtdDirectoryInformation,                 // 60
    FileReplaceCompletionInformation,               // 61
    FileHardLinkFullIdInformation,                  // 62
    FileIdExtdBothDirectoryInformation,             // 63
    FileDispositionInformationEx,                   // 64
    FileRenameInformationEx,                        // 65
    FileRenameInformationExBypassAccessCheck,       // 66
    FileDesiredStorageClassInformation,             // 67
    FileStatInformation,                            // 68
    FileMemoryPartitionInformation,                 // 69
    FileStatLxInformation,                          // 70
    FileCaseSensitiveInformation,                   // 71
    FileLinkInformationEx,                          // 72
    FileLinkInformationExBypassAccessCheck,         // 73
    FileStorageReserveIdInformation,                // 74
    FileCaseSensitiveInformationForceAccessCheck,   // 75
    FileKnownFolderInformation,                     // 76
 
    FileMaximumInformation
} FILE_INFORMATION_CLASS, *PFILE_INFORMATION_CLASS;

Constants

 
FileDirectoryInformation
A FILE_DIRECTORY_INFORMATION structure.
FileFullDirectoryInformation
A FILE_FULL_DIR_INFORMATION structure.
FileBothDirectoryInformation
A FILE_BOTH_DIR_INFORMATION structure.
FileBasicInformation
A FILE_BASIC_INFORMATION structure.
FileStandardInformation
A FILE_STANDARD_INFORMATION structure.
FileInternalInformation
A FILE_INTERNAL_INFORMATION structure.
FileEaInformation
A FILE_EA_INFORMATION structure.
FileAccessInformation
A FILE_ACCESS_INFORMATION structure.
FileNameInformation
A FILE_NAME_INFORMATION structure.
FileRenameInformation
A FILE_RENAME_INFORMATION structure.
FileLinkInformation
A FILE_LINK_INFORMATION structure.
FileNamesInformation
A FILE_NAMES_INFORMATION structure.
FileDispositionInformation
A FILE_DISPOSITION_INFORMATION structure.
FilePositionInformation
A FILE_POSITION_INFORMATION structure.
FileFullEaInformation
A FILE_FULL_EA_INFORMATION structure.
FileModeInformation
A FILE_MODE_INFORMATION structure.
FileAlignmentInformation
A FILE_ALIGNMENT_INFORMATION structure.
FileAllInformation
A FILE_ALL_INFORMATION structure.
FileAllocationInformation
A FILE_ALLOCATION_INFORMATION structure.
FileEndOfFileInformation
A FILE_END_OF_FILE_INFORMATION structure.
FileAlternateNameInformation
A FILE_NAME_INFORMATION structure.
FileStreamInformation
A message buffer that contains one or more FILE_STREAM_INFORMATION structures.
FilePipeInformation
A FILE_PIPE_INFORMATION structure.
FilePipeLocalInformation
A FILE_PIPE_LOCAL_INFORMATION structure.
FilePipeRemoteInformation
A FILE_PIPE_REMOTE_INFORMATION structure.
FileMailslotQueryInformation
A FILE_MAILSLOT_QUERY_INFORMATION structure.
FileMailslotSetInformation
A FILE_MAILSLOT_SET_INFORMATION structure.
FileCompressionInformation
A FILE_COMPRESSION_INFORMATION structure.
FileObjectIdInformation
A FILE_OBJECTID_INFORMATION structure.
FileCompletionInformation
This value is reserved for system use.
FileMoveClusterInformation
This value is reserved for system use.
FileQuotaInformation
A FILE_QUOTA_INFORMATION structure.
FileReparsePointInformation
A FILE_REPARSE_POINT_INFORMATION structure.
FileNetworkOpenInformation
A FILE_NETWORK_OPEN_INFORMATION structure.
FileAttributeTagInformation
A FILE_ATTRIBUTE_TAG_INFORMATION structure.
FileTrackingInformation
This value is reserved for system use.
FileIdBothDirectoryInformation
A FILE_ID_BOTH_DIR_INFORMATION structure.
FileIdFullDirectoryInformation
A FILE_ID_FULL_DIR_INFORMATION structure.
FileValidDataLengthInformation
A FILE_VALID_DATA_LENGTH_INFORMATION structure.
FileShortNameInformation
A FILE_NAME_INFORMATION structure.
FileIoCompletionNotificationInformation
This value is reserved for system use. This value is available starting with Windows Vista.
FileIoStatusBlockRangeInformation
This value is reserved for system use. This value is available starting with Windows Vista.
FileIoPriorityHintInformation
A FILE_IO_PRIORITY_HINT_INFORMATION structure. This value is available starting with Windows Vista.
FileSfioReserveInformation
This value is reserved for system use. This value is available starting with Windows Vista.
FileSfioVolumeInformation
This value is reserved for system use. This value is available starting with Windows Vista.
FileHardLinkInformation
A FILE_LINKS_INFORMATION structure. This value is available starting with Windows Vista.
FileProcessIdsUsingFileInformation
A FILE_PROCESS_IDS_USING_FILE_INFORMATION structure. This value is reserved for system use. This value is available starting with Windows Vista.
FileNormalizedNameInformation
A FILE_NAME_INFORMATION structure. This value is defined starting with Windows Vista. It is supported starting with Windows 8.
FileNetworkPhysicalNameInformation
A FILE_NETWORK_PHYSICAL_NAME_INFORMATION structure. This value is available starting with Windows Vista.
FileIdGlobalTxDirectoryInformation
A FILE_ID_GLOBAL_TX_DIR_INFORMATION structure. This value is available starting with Windows 7.
FileIsRemoteDeviceInformation
A FILE_IS_REMOTE_DEVICE_INFORMATION structure. This value is reserved for system use. This value is available starting with Windows 7.
FileUnusedInformation
This value is reserved for system use. This value is available starting with Windows 7.
FileNumaNodeInformation
A FILE_NUMA_NODE_INFORMATION structure. This value is reserved for system use. This value is available starting with Windows 7.
FileStandardLinkInformation
A FILE_STANDARD_LINK_INFORMATION structure. This value is reserved for system use. This value is available starting with Windows 7.
FileRemoteProtocolInformation
A FILE_REMOTE_PROTOCOL_INFORMATION structure. This value is available starting with Windows 7.
FileRenameInformationBypassAccessCheck
A FILE_RENAME_INFORMATION structure. This is a special version of the FileRenameInformation operation that is used by kernel-mode drivers only in order to bypass security access checks. This operation is only recognized by the IOManager and a file system should never receive it. This value is available starting with Windows 10.
FileLinkInformationBypassAccessCheck
A FILE_LINK_INFORMATION structure. This is a special version of the FileLinkInformation operation that is used by kernel-mode drivers only in order to bypass security access checks. This operation is only recognized by the IOManager and a file system should never receive it. This value is available starting with Windows 10.
FileVolumeNameInformation
A FILE_VOLUME_NAME_INFORMATION structure. This value is reserved for system use. This value is available starting with Windows 10.
FileIdInformation
A FILE_ID_INFORMATION structure. This value is reserved for system use. This value is available starting with Windows 10.
FileIdExtdDirectoryInformation
A FILE_ID_EXTD_DIR_INFORMATION structure. This value is reserved for system use. This value is available starting with Windows 10.
FileReplaceCompletionInformation
A FILE_COMPLETION_INFORMATION structure to change or remove the completion port associated with a file handle. This value is available starting with Windows 8.1.
FileHardLinkFullIdInformation
A FILE_LINKS_FULL_ID_INFORMATION structure. This value is reserved for system use. This value is available starting with Windows 10.
FileIdExtdBothDirectoryInformation
A FILE_ID_EXTD_BOTH_DIR_INFORMATION structure. This value is reserved for system use. This value is available starting with Windows 10.
FileDispositionInformationEx
A FILE_DISPOSITION_INFORMATION_EX structure that indicates how the operating system should delete a file. This value is available starting with Windows 10, version 1709.
FileRenameInformationEx
A FILE_RENAME_INFORMATION structure which contains additional flags. This value is available starting with Windows 10, version 1709.
FileRenameInformationExBypassAccessCheck
A FILE_RENAME_INFORMATION structure which contains additional flags. This value is available starting with Windows 10, version 1709. This is a special version of the FileRenameInformation operation that is used by kernel-mode drivers only in order to bypass security access checks. This operation is only recognized by the IOManager and a file system should never receive it.
FileDesiredStorageClassInformation
A FILE_DESIRED_STORAGE_CLASS_INFORMATION structure, declared in ntifs.h. This value is available starting with Windows 10, version 1709.
FileStatInformation
A FILE_STAT_INFORMATION structure, declared in ntifs.h. This value is available starting with Windows 10, version 1709.
FileMemoryPartitionInformation
Reserved. This value is available starting with Windows 10, version 1709.
FileStatLxInformation
A FILE_STAT_LX_INFORMATION structure, declared in ntifs.h. This information class is used for fields refer to Linux metadata used/created by the Windows Subsystem for Linux. This value is available starting with Windows 10 April 2018 Update.
FileCaseSensitiveInformation
A FILE_CASE_SENSITIVE_INFORMATION structure, declared in ntifs.h. This value is available starting with Windows 10 April 2018 Update.
FileLinkInformationEx
A FILE_LINK_INFORMATION structure which contains additional flags. This value is available starting with Windows 10, version 1809.
FileLinkInformationExBypassAccessCheck
A FILE_LINK_INFORMATION structure which contains additional flags. This is a special version of the FileLinkInformation operation that is used by kernel-mode drivers only in order to bypass security access checks. This operation is only recognized by the IOManager and a file system should never receive it. This value is available starting with Windows 10, version 1809.
FileStorageReserveIdInformation
A FILE_SET_STORAGE_RESERVE_ID_INFORMATION structure, declared in ntifs.h. This value is available starting with Windows 10, version 1809.
FileCaseSensitiveInformationForceAccessCheck
A FILE_CASE_SENSITIVE_INFORMATION structure, declared in ntifs.h. This is a special version of the FileCaseSensitiveInformation operation that is used to force the IOManager to perform access checks for the kernel-mode driver, similar to the checks that apply to a user-mode caller. This operation is only recognized by the IOManager and a file system should never receive it. This value is available starting with Windows 10, version 1809.
FileKnownFolderInformation
A FILE_KNOWN_FOLDER_INFORMATION structure, declared in ntifs.h. This value is available starting with Windows Server 2022.
FileMaximumInformation
This value is reserved for system use. This value is available starting with Windows 7.

Requirements

   
Header wdm.h (include FltKernel.h, Ntifs.h)