HELPER_ATTRIBUTE structure

The HELPER_ATTRIBUTE structure contains all NDF supported data types.

Syntax


typedef struct {
  [string] LPWSTR pwszName;
  ATTRIBUTE_TYPE  type;
  union {
    BOOL          Boolean;
    char          Char;
    byte          Byte;
    short         Short;
    WORD          Word;
    int           Int;
    DWORD         DWord;
    LONGLONG      Int64;
    ULONGLONG     UInt64;
    LPWSTR        PWStr;
    GUID          Guid;
    LIFE_TIME     LifeTime;
    DIAG_SOCKADDR Address;
    OCTET_STRING  OctetString;
  };
} HELPER_ATTRIBUTE;

Members

pwszName

Type: [string] LPWSTR

A pointer to a null-terminated string that contains the name of the attribute.

type

Type: ATTRIBUTE_TYPE

The type of helper attribute.

Boolean

Type: BOOL

A True or False value. Used when type is AT_BOOLEAN.

Char

Type: char

A character value. Used when type is AT_INT8.

Byte

Type: byte

A byte value. Used when type is AT_UINT8.

Short

Type: short

A 16-bit signed value. Used when type is AT_INT16

Word

Type: WORD

A 2-byte unsigned value. Used when type is AT_UINT16.

Int

Type: int

A 4-byte signed value. Used when type is AT_INT32.

DWord

Type: DWORD

A 4-byte unsigned value. Used when type is AT_UINT32.

Int64

Type: LONGLONG

A 64-bit signed integer value. Used when type is AT_INT64.

UInt64

Type: ULONGLONG

A 64-bit unsigned integer value. Used when type is AT_UINT64.

PWStr

Type: LPWSTR

A null-terminated string value. Used when type is AT_STRING.

Guid

Type: GUID

A GUID structure. Used when type is AT_GUID.

LifeTime

Type: LIFE_TIME

A LIFE_TIME structure. Used when type is AT_LIFE_TIME.

Address

Type: DIAG_SOCKADDR

An IPv4 or IPv6 address. Used when type is AT_SOCKADDR.

OctetString

Type: OCTET_STRING

A byte array for undefined types. Used when type is AT_OCTET_STRING.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Ndattrib.h

See also

ATTRIBUTE_TYPE
CopyHelperAttribute
FreeHelperAttributes

 

 

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