#ifndef _NTREGAPI_H
typedef struct _KEY_VALUE_PARTIAL_INFORMATION
{
ULONG TitleIndex;
ULONG Type;
ULONG DataLength;
_Field_size_bytes_(DataLength) UCHAR Data[1];
} KEY_VALUE_PARTIAL_INFORMATION, *PKEY_VALUE_PARTIAL_INFORMATION;
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This structure is documented in Windows Driver Kit.