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WsReadAttribute

関数

XMLリーダーから属性を読み取り値にデシリアライズする。

DLLwebservices.dll呼出規約winapi対応OSWindows 7 以降

シグネチャ

// webservices.dll
#include <windows.h>

HRESULT WsReadAttribute(
    WS_XML_READER* reader,
    const WS_ATTRIBUTE_DESCRIPTION* attributeDescription,
    WS_READ_OPTION readOption,
    WS_HEAP* heap,   // optional
    void* value,
    DWORD valueSize,
    WS_ERROR* error   // optional
);

パラメーター

名前	型	方向	説明
reader	WS_XML_READER*	in	対象要素に位置付けられたWS_XML_READER。
attributeDescription	WS_ATTRIBUTE_DESCRIPTION*	in	読み取る属性の定義を示すWS_ATTRIBUTE_DESCRIPTION。
readOption	WS_READ_OPTION	in	値の必須有無や割り当て方法を示すWS_READ_OPTION。
heap	WS_HEAP*	inoptional	可変長データの確保に使うWS_HEAP。
value	void*	out	読み取った値を受け取る出力バッファへのポインタ。
valueSize	DWORD	in	valueバッファのバイトサイズを指定する。
error	WS_ERROR*	inoptional	詳細なエラー情報を格納するWS_ERRORオブジェクト。NULL可。

戻り値の型: HRESULT

各言語での呼び出し定義

// webservices.dll
#include <windows.h>

HRESULT WsReadAttribute(
    WS_XML_READER* reader,
    const WS_ATTRIBUTE_DESCRIPTION* attributeDescription,
    WS_READ_OPTION readOption,
    WS_HEAP* heap,   // optional
    void* value,
    DWORD valueSize,
    WS_ERROR* error   // optional
);

[DllImport("webservices.dll", ExactSpelling = true)]
static extern int WsReadAttribute(
    ref IntPtr reader,   // WS_XML_READER*
    IntPtr attributeDescription,   // WS_ATTRIBUTE_DESCRIPTION*
    int readOption,   // WS_READ_OPTION
    IntPtr heap,   // WS_HEAP* optional
    IntPtr value,   // void* out
    uint valueSize,   // DWORD
    IntPtr error   // WS_ERROR* optional
);

<DllImport("webservices.dll", ExactSpelling:=True)>
Public Shared Function WsReadAttribute(
    ByRef reader As IntPtr,   ' WS_XML_READER*
    attributeDescription As IntPtr,   ' WS_ATTRIBUTE_DESCRIPTION*
    readOption As Integer,   ' WS_READ_OPTION
    heap As IntPtr,   ' WS_HEAP* optional
    value As IntPtr,   ' void* out
    valueSize As UInteger,   ' DWORD
    [error] As IntPtr   ' WS_ERROR* optional
) As Integer
End Function

' reader : WS_XML_READER*
' attributeDescription : WS_ATTRIBUTE_DESCRIPTION*
' readOption : WS_READ_OPTION
' heap : WS_HEAP* optional
' value : void* out
' valueSize : DWORD
' error : WS_ERROR* optional
Declare PtrSafe Function WsReadAttribute Lib "webservices" ( _
    ByRef reader As LongPtr, _
    ByVal attributeDescription As LongPtr, _
    ByVal readOption As Long, _
    ByVal heap As LongPtr, _
    ByVal value As LongPtr, _
    ByVal valueSize As Long, _
    ByVal error As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WsReadAttribute = ctypes.windll.webservices.WsReadAttribute
WsReadAttribute.restype = ctypes.c_int
WsReadAttribute.argtypes = [
    ctypes.c_void_p,  # reader : WS_XML_READER*
    ctypes.c_void_p,  # attributeDescription : WS_ATTRIBUTE_DESCRIPTION*
    ctypes.c_int,  # readOption : WS_READ_OPTION
    ctypes.c_void_p,  # heap : WS_HEAP* optional
    ctypes.POINTER(None),  # value : void* out
    wintypes.DWORD,  # valueSize : DWORD
    ctypes.c_void_p,  # error : WS_ERROR* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('webservices.dll')
WsReadAttribute = Fiddle::Function.new(
  lib['WsReadAttribute'],
  [
    Fiddle::TYPE_VOIDP,  # reader : WS_XML_READER*
    Fiddle::TYPE_VOIDP,  # attributeDescription : WS_ATTRIBUTE_DESCRIPTION*
    Fiddle::TYPE_INT,  # readOption : WS_READ_OPTION
    Fiddle::TYPE_VOIDP,  # heap : WS_HEAP* optional
    Fiddle::TYPE_VOIDP,  # value : void* out
    -Fiddle::TYPE_INT,  # valueSize : DWORD
    Fiddle::TYPE_VOIDP,  # error : WS_ERROR* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "webservices")]
extern "system" {
    fn WsReadAttribute(
        reader: *mut isize,  // WS_XML_READER*
        attributeDescription: *const WS_ATTRIBUTE_DESCRIPTION,  // WS_ATTRIBUTE_DESCRIPTION*
        readOption: i32,  // WS_READ_OPTION
        heap: *mut isize,  // WS_HEAP* optional
        value: *mut (),  // void* out
        valueSize: u32,  // DWORD
        error: *mut isize  // WS_ERROR* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("webservices.dll")]
public static extern int WsReadAttribute(ref IntPtr reader, IntPtr attributeDescription, int readOption, IntPtr heap, IntPtr value, uint valueSize, IntPtr error);
"@
$api = Add-Type -MemberDefinition $sig -Name 'webservices_WsReadAttribute' -Namespace Win32 -PassThru
# $api::WsReadAttribute(reader, attributeDescription, readOption, heap, value, valueSize, error)

#uselib "webservices.dll"
#func global WsReadAttribute "WsReadAttribute" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; WsReadAttribute varptr(reader), varptr(attributeDescription), readOption, varptr(heap), value, valueSize, varptr(error)   ; 戻り値は stat
; reader : WS_XML_READER* -> "sptr"
; attributeDescription : WS_ATTRIBUTE_DESCRIPTION* -> "sptr"
; readOption : WS_READ_OPTION -> "sptr"
; heap : WS_HEAP* optional -> "sptr"
; value : void* out -> "sptr"
; valueSize : DWORD -> "sptr"
; error : WS_ERROR* optional -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

出力引数:

#uselib "webservices.dll"
#cfunc global WsReadAttribute "WsReadAttribute" var, var, int, var, sptr, int, var
; res = WsReadAttribute(reader, attributeDescription, readOption, heap, value, valueSize, error)
; reader : WS_XML_READER* -> "var"
; attributeDescription : WS_ATTRIBUTE_DESCRIPTION* -> "var"
; readOption : WS_READ_OPTION -> "int"
; heap : WS_HEAP* optional -> "var"
; value : void* out -> "sptr"
; valueSize : DWORD -> "int"
; error : WS_ERROR* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "webservices.dll"
#cfunc global WsReadAttribute "WsReadAttribute" sptr, sptr, int, sptr, sptr, int, sptr
; res = WsReadAttribute(varptr(reader), varptr(attributeDescription), readOption, varptr(heap), value, valueSize, varptr(error))
; reader : WS_XML_READER* -> "sptr"
; attributeDescription : WS_ATTRIBUTE_DESCRIPTION* -> "sptr"
; readOption : WS_READ_OPTION -> "int"
; heap : WS_HEAP* optional -> "sptr"
; value : void* out -> "sptr"
; valueSize : DWORD -> "int"
; error : WS_ERROR* optional -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; HRESULT WsReadAttribute(WS_XML_READER* reader, WS_ATTRIBUTE_DESCRIPTION* attributeDescription, WS_READ_OPTION readOption, WS_HEAP* heap, void* value, DWORD valueSize, WS_ERROR* error)
#uselib "webservices.dll"
#cfunc global WsReadAttribute "WsReadAttribute" var, var, int, var, intptr, int, var
; res = WsReadAttribute(reader, attributeDescription, readOption, heap, value, valueSize, error)
; reader : WS_XML_READER* -> "var"
; attributeDescription : WS_ATTRIBUTE_DESCRIPTION* -> "var"
; readOption : WS_READ_OPTION -> "int"
; heap : WS_HEAP* optional -> "var"
; value : void* out -> "intptr"
; valueSize : DWORD -> "int"
; error : WS_ERROR* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; HRESULT WsReadAttribute(WS_XML_READER* reader, WS_ATTRIBUTE_DESCRIPTION* attributeDescription, WS_READ_OPTION readOption, WS_HEAP* heap, void* value, DWORD valueSize, WS_ERROR* error)
#uselib "webservices.dll"
#cfunc global WsReadAttribute "WsReadAttribute" intptr, intptr, int, intptr, intptr, int, intptr
; res = WsReadAttribute(varptr(reader), varptr(attributeDescription), readOption, varptr(heap), value, valueSize, varptr(error))
; reader : WS_XML_READER* -> "intptr"
; attributeDescription : WS_ATTRIBUTE_DESCRIPTION* -> "intptr"
; readOption : WS_READ_OPTION -> "int"
; heap : WS_HEAP* optional -> "intptr"
; value : void* out -> "intptr"
; valueSize : DWORD -> "int"
; error : WS_ERROR* optional -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	webservices = windows.NewLazySystemDLL("webservices.dll")
	procWsReadAttribute = webservices.NewProc("WsReadAttribute")
)

// reader (WS_XML_READER*), attributeDescription (WS_ATTRIBUTE_DESCRIPTION*), readOption (WS_READ_OPTION), heap (WS_HEAP* optional), value (void* out), valueSize (DWORD), error (WS_ERROR* optional)
r1, _, err := procWsReadAttribute.Call(
	uintptr(reader),
	uintptr(attributeDescription),
	uintptr(readOption),
	uintptr(heap),
	uintptr(value),
	uintptr(valueSize),
	uintptr(error),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WsReadAttribute(
  reader: Pointer;   // WS_XML_READER*
  attributeDescription: Pointer;   // WS_ATTRIBUTE_DESCRIPTION*
  readOption: Integer;   // WS_READ_OPTION
  heap: Pointer;   // WS_HEAP* optional
  value: Pointer;   // void* out
  valueSize: DWORD;   // DWORD
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsReadAttribute';

result := DllCall("webservices\WsReadAttribute"
    , "Ptr", reader   ; WS_XML_READER*
    , "Ptr", attributeDescription   ; WS_ATTRIBUTE_DESCRIPTION*
    , "Int", readOption   ; WS_READ_OPTION
    , "Ptr", heap   ; WS_HEAP* optional
    , "Ptr", value   ; void* out
    , "UInt", valueSize   ; DWORD
    , "Ptr", error   ; WS_ERROR* optional
    , "Int")   ; return: HRESULT

●WsReadAttribute(reader, attributeDescription, readOption, heap, value, valueSize, error) = DLL("webservices.dll", "int WsReadAttribute(void*, void*, int, void*, void*, dword, void*)")
# 呼び出し: WsReadAttribute(reader, attributeDescription, readOption, heap, value, valueSize, error)
# reader : WS_XML_READER* -> "void*"
# attributeDescription : WS_ATTRIBUTE_DESCRIPTION* -> "void*"
# readOption : WS_READ_OPTION -> "int"
# heap : WS_HEAP* optional -> "void*"
# value : void* out -> "void*"
# valueSize : DWORD -> "dword"
# error : WS_ERROR* optional -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。

const std = @import("std");

extern "webservices" fn WsReadAttribute(
    reader: [*c]isize, // WS_XML_READER*
    attributeDescription: [*c]WS_ATTRIBUTE_DESCRIPTION, // WS_ATTRIBUTE_DESCRIPTION*
    readOption: i32, // WS_READ_OPTION
    heap: [*c]isize, // WS_HEAP* optional
    value: ?*anyopaque, // void* out
    valueSize: u32, // DWORD
    error: [*c]isize // WS_ERROR* optional
) callconv(std.os.windows.WINAPI) i32;

proc WsReadAttribute(
    reader: ptr int,  # WS_XML_READER*
    attributeDescription: ptr WS_ATTRIBUTE_DESCRIPTION,  # WS_ATTRIBUTE_DESCRIPTION*
    readOption: int32,  # WS_READ_OPTION
    heap: ptr int,  # WS_HEAP* optional
    value: pointer,  # void* out
    valueSize: uint32,  # DWORD
    error: ptr int  # WS_ERROR* optional
): int32 {.importc: "WsReadAttribute", stdcall, dynlib: "webservices.dll".}

pragma(lib, "webservices");
extern(Windows)
int WsReadAttribute(
    ptrdiff_t* reader,   // WS_XML_READER*
    WS_ATTRIBUTE_DESCRIPTION* attributeDescription,   // WS_ATTRIBUTE_DESCRIPTION*
    int readOption,   // WS_READ_OPTION
    ptrdiff_t* heap,   // WS_HEAP* optional
    void* value,   // void* out
    uint valueSize,   // DWORD
    ptrdiff_t* error   // WS_ERROR* optional
);

ccall((:WsReadAttribute, "webservices.dll"), stdcall, Int32,
      (Ptr{Int}, Ptr{WS_ATTRIBUTE_DESCRIPTION}, Int32, Ptr{Int}, Ptr{Cvoid}, UInt32, Ptr{Int}),
      reader, attributeDescription, readOption, heap, value, valueSize, error)
# reader : WS_XML_READER* -> Ptr{Int}
# attributeDescription : WS_ATTRIBUTE_DESCRIPTION* -> Ptr{WS_ATTRIBUTE_DESCRIPTION}
# readOption : WS_READ_OPTION -> Int32
# heap : WS_HEAP* optional -> Ptr{Int}
# value : void* out -> Ptr{Cvoid}
# valueSize : DWORD -> UInt32
# error : WS_ERROR* optional -> Ptr{Int}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t WsReadAttribute(
    intptr_t* reader,
    void* attributeDescription,
    int32_t readOption,
    intptr_t* heap,
    void* value,
    uint32_t valueSize,
    intptr_t* error);
]]
local webservices = ffi.load("webservices")
-- webservices.WsReadAttribute(reader, attributeDescription, readOption, heap, value, valueSize, error)
-- reader : WS_XML_READER*
-- attributeDescription : WS_ATTRIBUTE_DESCRIPTION*
-- readOption : WS_READ_OPTION
-- heap : WS_HEAP* optional
-- value : void* out
-- valueSize : DWORD
-- error : WS_ERROR* optional
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('webservices.dll');
const WsReadAttribute = lib.func('__stdcall', 'WsReadAttribute', 'int32_t', ['intptr_t *', 'void *', 'int32_t', 'intptr_t *', 'void *', 'uint32_t', 'intptr_t *']);
// WsReadAttribute(reader, attributeDescription, readOption, heap, value, valueSize, error)
// reader : WS_XML_READER* -> 'intptr_t *'
// attributeDescription : WS_ATTRIBUTE_DESCRIPTION* -> 'void *'
// readOption : WS_READ_OPTION -> 'int32_t'
// heap : WS_HEAP* optional -> 'intptr_t *'
// value : void* out -> 'void *'
// valueSize : DWORD -> 'uint32_t'
// error : WS_ERROR* optional -> 'intptr_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("webservices.dll", {
  WsReadAttribute: { parameters: ["pointer", "pointer", "i32", "pointer", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.WsReadAttribute(reader, attributeDescription, readOption, heap, value, valueSize, error)
// reader : WS_XML_READER* -> "pointer"
// attributeDescription : WS_ATTRIBUTE_DESCRIPTION* -> "pointer"
// readOption : WS_READ_OPTION -> "i32"
// heap : WS_HEAP* optional -> "pointer"
// value : void* out -> "pointer"
// valueSize : DWORD -> "u32"
// error : WS_ERROR* optional -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t WsReadAttribute(
    intptr_t* reader,
    void* attributeDescription,
    int32_t readOption,
    intptr_t* heap,
    void* value,
    uint32_t valueSize,
    intptr_t* error);
C, "webservices.dll");
// $ffi->WsReadAttribute(reader, attributeDescription, readOption, heap, value, valueSize, error);
// reader : WS_XML_READER*
// attributeDescription : WS_ATTRIBUTE_DESCRIPTION*
// readOption : WS_READ_OPTION
// heap : WS_HEAP* optional
// value : void* out
// valueSize : DWORD
// error : WS_ERROR* optional
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Webservices extends StdCallLibrary {
    Webservices INSTANCE = Native.load("webservices", Webservices.class);
    int WsReadAttribute(
        LongByReference reader,   // WS_XML_READER*
        Pointer attributeDescription,   // WS_ATTRIBUTE_DESCRIPTION*
        int readOption,   // WS_READ_OPTION
        LongByReference heap,   // WS_HEAP* optional
        Pointer value,   // void* out
        int valueSize,   // DWORD
        LongByReference error   // WS_ERROR* optional
    );
}

@[Link("webservices")]
lib Libwebservices
  fun WsReadAttribute = WsReadAttribute(
    reader : LibC::SSizeT*,   # WS_XML_READER*
    attributeDescription : WS_ATTRIBUTE_DESCRIPTION*,   # WS_ATTRIBUTE_DESCRIPTION*
    readOption : Int32,   # WS_READ_OPTION
    heap : LibC::SSizeT*,   # WS_HEAP* optional
    value : Void*,   # void* out
    valueSize : UInt32,   # DWORD
    error : LibC::SSizeT*   # WS_ERROR* optional
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef WsReadAttributeNative = Int32 Function(Pointer<IntPtr>, Pointer<Void>, Int32, Pointer<IntPtr>, Pointer<Void>, Uint32, Pointer<IntPtr>);
typedef WsReadAttributeDart = int Function(Pointer<IntPtr>, Pointer<Void>, int, Pointer<IntPtr>, Pointer<Void>, int, Pointer<IntPtr>);
final WsReadAttribute = DynamicLibrary.open('webservices.dll')
    .lookupFunction<WsReadAttributeNative, WsReadAttributeDart>('WsReadAttribute');
// reader : WS_XML_READER* -> Pointer<IntPtr>
// attributeDescription : WS_ATTRIBUTE_DESCRIPTION* -> Pointer<Void>
// readOption : WS_READ_OPTION -> Int32
// heap : WS_HEAP* optional -> Pointer<IntPtr>
// value : void* out -> Pointer<Void>
// valueSize : DWORD -> Uint32
// error : WS_ERROR* optional -> Pointer<IntPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WsReadAttribute(
  reader: Pointer;   // WS_XML_READER*
  attributeDescription: Pointer;   // WS_ATTRIBUTE_DESCRIPTION*
  readOption: Integer;   // WS_READ_OPTION
  heap: Pointer;   // WS_HEAP* optional
  value: Pointer;   // void* out
  valueSize: DWORD;   // DWORD
  error: Pointer   // WS_ERROR* optional
): Integer; stdcall;
  external 'webservices.dll' name 'WsReadAttribute';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "WsReadAttribute"
  c_WsReadAttribute :: Ptr CIntPtr -> Ptr () -> Int32 -> Ptr CIntPtr -> Ptr () -> Word32 -> Ptr CIntPtr -> IO Int32
-- reader : WS_XML_READER* -> Ptr CIntPtr
-- attributeDescription : WS_ATTRIBUTE_DESCRIPTION* -> Ptr ()
-- readOption : WS_READ_OPTION -> Int32
-- heap : WS_HEAP* optional -> Ptr CIntPtr
-- value : void* out -> Ptr ()
-- valueSize : DWORD -> Word32
-- error : WS_ERROR* optional -> Ptr CIntPtr
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let wsreadattribute =
  foreign "WsReadAttribute"
    ((ptr intptr_t) @-> (ptr void) @-> int32_t @-> (ptr intptr_t) @-> (ptr void) @-> uint32_t @-> (ptr intptr_t) @-> returning int32_t)
(* reader : WS_XML_READER* -> (ptr intptr_t) *)
(* attributeDescription : WS_ATTRIBUTE_DESCRIPTION* -> (ptr void) *)
(* readOption : WS_READ_OPTION -> int32_t *)
(* heap : WS_HEAP* optional -> (ptr intptr_t) *)
(* value : void* out -> (ptr void) *)
(* valueSize : DWORD -> uint32_t *)
(* error : WS_ERROR* optional -> (ptr intptr_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library webservices (t "webservices.dll"))
(cffi:use-foreign-library webservices)

(cffi:defcfun ("WsReadAttribute" ws-read-attribute :convention :stdcall) :int32
  (reader :pointer)   ; WS_XML_READER*
  (attribute-description :pointer)   ; WS_ATTRIBUTE_DESCRIPTION*
  (read-option :int32)   ; WS_READ_OPTION
  (heap :pointer)   ; WS_HEAP* optional
  (value :pointer)   ; void* out
  (value-size :uint32)   ; DWORD
  (error :pointer))   ; WS_ERROR* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WsReadAttribute = Win32::API::More->new('webservices',
    'int WsReadAttribute(LPVOID reader, LPVOID attributeDescription, int readOption, LPVOID heap, LPVOID value, DWORD valueSize, LPVOID error)');
# my $ret = $WsReadAttribute->Call($reader, $attributeDescription, $readOption, $heap, $value, $valueSize, $error);
# reader : WS_XML_READER* -> LPVOID
# attributeDescription : WS_ATTRIBUTE_DESCRIPTION* -> LPVOID
# readOption : WS_READ_OPTION -> int
# heap : WS_HEAP* optional -> LPVOID
# value : void* out -> LPVOID
# valueSize : DWORD -> DWORD
# error : WS_ERROR* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

WsReadAttribute

シグネチャ

パラメーター

各言語での呼び出し定義

関連項目