// objectheader.h

typedef struct _NDIS_OBJECT_HEADER {
  UCHAR  Type;
  UCHAR  Revision;
  USHORT Size;
} NDIS_OBJECT_HEADER, *PNDIS_OBJECT_HEADER;
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Windows Driver Kit DDI reference (ns-objectheader-ndis_object_header)

_NDIS_OBJECT_HEADER structure

Description

The NDIS_OBJECT_HEADER structure packages the object type, version, and size information that is required in many NDIS 6.0 structures.

Members

`Type`

The type of NDIS object that a structure describes. Use this member to identify the type of structure in a memory dump.

`Revision`

The revision number of the structure. Every NDIS structure that has an NDIS_OBJECT_HEADER member has a revision number that applies to the NDIS structure exclusively. This allows NDIS drivers to support multiple versions of the same structure. For example, a driver can check the Revision member value at run time and use the appropriate version of the structure.

`Size`

The total size, in bytes, of the NDIS object structure that includes the NDIS_OBJECT_HEADER member. This size includes the size of the NDIS_OBJECT_HEADER member and the other members of the structure.

Remarks

The reference page for every structure, that has an NDIS_OBJECT_HEADER structure as a member, defines values for the Type, Revision, and Size members for that structure.

View the official Windows Driver Kit DDI reference

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