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KEY_CACHED_INFORMATION structure (ntddk.h)

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The KEY_CACHED_INFORMATION structure holds the cached information available for a registry key or subkey.

Syntax

typedef struct _KEY_CACHED_INFORMATION {
  LARGE_INTEGER LastWriteTime;
  ULONG         TitleIndex;
  ULONG         SubKeys;
  ULONG         MaxNameLen;
  ULONG         Values;
  ULONG         MaxValueNameLen;
  ULONG         MaxValueDataLen;
  ULONG         NameLength;
} KEY_CACHED_INFORMATION, *PKEY_CACHED_INFORMATION;

Members

LastWriteTime

The last time the key or any of its values changed. This time value is expressed in absolute system time format. Absolute system time is the number of 100-nanosecond intervals since the start of the year 1601 in the Gregorian calendar.

TitleIndex

Device and intermediate drivers should ignore this member.

SubKeys

The number of subkeys for a key.

MaxNameLen

The maximum number of bytes for a subkey name.

Values

The number of value entries.

MaxValueNameLen

The maximum length, in bytes, of any value entry name.

MaxValueDataLen

The maximum length, in bytes, of a value entry data field.

NameLength

The size, in bytes, of the key name.

Requirements

Requirement Value
Minimum supported client Available in Windows Vista and later versions of the Windows operating system.
Header ntddk.h (include Ntddk.h)

See also

KEY_BASIC_INFORMATION

KEY_FULL_INFORMATION

KEY_INFORMATION_CLASS

KEY_NAME_INFORMATION

KEY_NODE_INFORMATION

KEY_VIRTUALIZATION_INFORMATION

ZwEnumerateKey

ZwQueryKey