#ifndef _NTREGAPI_H

typedef struct _KEY_VALUE_ENTRY
{
    PUNICODE_STRING ValueName;
    ULONG DataLength;
    ULONG DataOffset;
    ULONG Type;
} KEY_VALUE_ENTRY, *PKEY_VALUE_ENTRY;

#endif
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// wdm.h

typedef struct _KEY_VALUE_ENTRY {
  PUNICODE_STRING ValueName;
  ULONG           DataLength;
  ULONG           DataOffset;
  ULONG           Type;
} KEY_VALUE_ENTRY, *PKEY_VALUE_ENTRY;
View the official Windows Driver Kit DDI reference

NtDoc

This structure is documented in Windows Driver Kit.

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Windows Driver Kit DDI reference (ns-wdm-_key_value_entry)

_KEY_VALUE_ENTRY structure

Description

The KEY_VALUE_ENTRY structure is used by the REG_QUERY_MULTIPLE_VALUE_KEY_INFORMATION structure to describe a single value entry for a registry key.

Members

`ValueName`

Pointer to a UNICODE_STRING structure that contains the name of the value entry.

`DataLength`

Specifies the size, in bytes, of the data for the value entry.

`DataOffset`

Specifies the offset, in bytes, of the value entry's data within the buffer that is pointed to by the ValueBuffer member of REG_QUERY_MULTIPLE_VALUE_KEY_INFORMATION.

`Type`

Specifies the type of the value entry's data. For a description of the possible values for Type, see the Type parameter of ZwSetValueKey.

Remarks

The ValueEntries member of REG_QUERY_MULTIPLE_VALUE_KEY_INFORMATION points to an array of KEY_VALUE_ENTRY structures.

KEY_VALUE_ENTRY - NtDoc