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CreateStdAccessibleObject
関数ウィンドウの標準アクセシブルオブジェクトを生成する。
シグネチャ
// OLEACC.dll
#include <windows.h>
HRESULT CreateStdAccessibleObject(
HWND hwnd,
INT idObject,
const GUID* riid,
void** ppvObject
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| hwnd | HWND | in | 標準アクセシブルオブジェクトを生成する対象ウィンドウのハンドル。 |
| idObject | INT | in | 生成対象のオブジェクトID(OBJID_*)。 |
| riid | GUID* | in | 要求するインターフェイスのIID(通常IID_IAccessible)へのポインタ。 |
| ppvObject | void** | out | 出力として生成された標準アクセシブルオブジェクトを受け取るポインタのアドレス。 |
戻り値の型: HRESULT
各言語での呼び出し定義
// OLEACC.dll
#include <windows.h>
HRESULT CreateStdAccessibleObject(
HWND hwnd,
INT idObject,
const GUID* riid,
void** ppvObject
);[DllImport("OLEACC.dll", ExactSpelling = true)]
static extern int CreateStdAccessibleObject(
IntPtr hwnd, // HWND
int idObject, // INT
ref Guid riid, // GUID*
IntPtr ppvObject // void** out
);<DllImport("OLEACC.dll", ExactSpelling:=True)>
Public Shared Function CreateStdAccessibleObject(
hwnd As IntPtr, ' HWND
idObject As Integer, ' INT
ByRef riid As Guid, ' GUID*
ppvObject As IntPtr ' void** out
) As Integer
End Function' hwnd : HWND
' idObject : INT
' riid : GUID*
' ppvObject : void** out
Declare PtrSafe Function CreateStdAccessibleObject Lib "oleacc" ( _
ByVal hwnd As LongPtr, _
ByVal idObject As Long, _
ByVal riid As LongPtr, _
ByVal ppvObject 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
CreateStdAccessibleObject = ctypes.windll.oleacc.CreateStdAccessibleObject
CreateStdAccessibleObject.restype = ctypes.c_int
CreateStdAccessibleObject.argtypes = [
wintypes.HANDLE, # hwnd : HWND
ctypes.c_int, # idObject : INT
ctypes.c_void_p, # riid : GUID*
ctypes.c_void_p, # ppvObject : void** out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('OLEACC.dll')
CreateStdAccessibleObject = Fiddle::Function.new(
lib['CreateStdAccessibleObject'],
[
Fiddle::TYPE_VOIDP, # hwnd : HWND
Fiddle::TYPE_INT, # idObject : INT
Fiddle::TYPE_VOIDP, # riid : GUID*
Fiddle::TYPE_VOIDP, # ppvObject : void** out
],
Fiddle::TYPE_INT)#[link(name = "oleacc")]
extern "system" {
fn CreateStdAccessibleObject(
hwnd: *mut core::ffi::c_void, // HWND
idObject: i32, // INT
riid: *const GUID, // GUID*
ppvObject: *mut *mut () // void** out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("OLEACC.dll")]
public static extern int CreateStdAccessibleObject(IntPtr hwnd, int idObject, ref Guid riid, IntPtr ppvObject);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLEACC_CreateStdAccessibleObject' -Namespace Win32 -PassThru
# $api::CreateStdAccessibleObject(hwnd, idObject, riid, ppvObject)#uselib "OLEACC.dll"
#func global CreateStdAccessibleObject "CreateStdAccessibleObject" sptr, sptr, sptr, sptr
; CreateStdAccessibleObject hwnd, idObject, varptr(riid), ppvObject ; 戻り値は stat
; hwnd : HWND -> "sptr"
; idObject : INT -> "sptr"
; riid : GUID* -> "sptr"
; ppvObject : void** out -> "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 "OLEACC.dll" #cfunc global CreateStdAccessibleObject "CreateStdAccessibleObject" sptr, int, var, sptr ; res = CreateStdAccessibleObject(hwnd, idObject, riid, ppvObject) ; hwnd : HWND -> "sptr" ; idObject : INT -> "int" ; riid : GUID* -> "var" ; ppvObject : void** out -> "sptr" ; ※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 "OLEACC.dll" #cfunc global CreateStdAccessibleObject "CreateStdAccessibleObject" sptr, int, sptr, sptr ; res = CreateStdAccessibleObject(hwnd, idObject, varptr(riid), ppvObject) ; hwnd : HWND -> "sptr" ; idObject : INT -> "int" ; riid : GUID* -> "sptr" ; ppvObject : void** out -> "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 CreateStdAccessibleObject(HWND hwnd, INT idObject, GUID* riid, void** ppvObject) #uselib "OLEACC.dll" #cfunc global CreateStdAccessibleObject "CreateStdAccessibleObject" intptr, int, var, intptr ; res = CreateStdAccessibleObject(hwnd, idObject, riid, ppvObject) ; hwnd : HWND -> "intptr" ; idObject : INT -> "int" ; riid : GUID* -> "var" ; ppvObject : void** out -> "intptr" ; ※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 CreateStdAccessibleObject(HWND hwnd, INT idObject, GUID* riid, void** ppvObject) #uselib "OLEACC.dll" #cfunc global CreateStdAccessibleObject "CreateStdAccessibleObject" intptr, int, intptr, intptr ; res = CreateStdAccessibleObject(hwnd, idObject, varptr(riid), ppvObject) ; hwnd : HWND -> "intptr" ; idObject : INT -> "int" ; riid : GUID* -> "intptr" ; ppvObject : void** out -> "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 (
oleacc = windows.NewLazySystemDLL("OLEACC.dll")
procCreateStdAccessibleObject = oleacc.NewProc("CreateStdAccessibleObject")
)
// hwnd (HWND), idObject (INT), riid (GUID*), ppvObject (void** out)
r1, _, err := procCreateStdAccessibleObject.Call(
uintptr(hwnd),
uintptr(idObject),
uintptr(riid),
uintptr(ppvObject),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction CreateStdAccessibleObject(
hwnd: THandle; // HWND
idObject: Integer; // INT
riid: PGUID; // GUID*
ppvObject: Pointer // void** out
): Integer; stdcall;
external 'OLEACC.dll' name 'CreateStdAccessibleObject';result := DllCall("OLEACC\CreateStdAccessibleObject"
, "Ptr", hwnd ; HWND
, "Int", idObject ; INT
, "Ptr", riid ; GUID*
, "Ptr", ppvObject ; void** out
, "Int") ; return: HRESULT●CreateStdAccessibleObject(hwnd, idObject, riid, ppvObject) = DLL("OLEACC.dll", "int CreateStdAccessibleObject(void*, int, void*, void*)")
# 呼び出し: CreateStdAccessibleObject(hwnd, idObject, riid, ppvObject)
# hwnd : HWND -> "void*"
# idObject : INT -> "int"
# riid : GUID* -> "void*"
# ppvObject : void** out -> "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 "oleacc" fn CreateStdAccessibleObject(
hwnd: ?*anyopaque, // HWND
idObject: i32, // INT
riid: [*c]GUID, // GUID*
ppvObject: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) i32;proc CreateStdAccessibleObject(
hwnd: pointer, # HWND
idObject: int32, # INT
riid: ptr GUID, # GUID*
ppvObject: pointer # void** out
): int32 {.importc: "CreateStdAccessibleObject", stdcall, dynlib: "OLEACC.dll".}pragma(lib, "oleacc");
extern(Windows)
int CreateStdAccessibleObject(
void* hwnd, // HWND
int idObject, // INT
GUID* riid, // GUID*
void** ppvObject // void** out
);ccall((:CreateStdAccessibleObject, "OLEACC.dll"), stdcall, Int32,
(Ptr{Cvoid}, Int32, Ptr{GUID}, Ptr{Cvoid}),
hwnd, idObject, riid, ppvObject)
# hwnd : HWND -> Ptr{Cvoid}
# idObject : INT -> Int32
# riid : GUID* -> Ptr{GUID}
# ppvObject : void** out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t CreateStdAccessibleObject(
void* hwnd,
int32_t idObject,
void* riid,
void** ppvObject);
]]
local oleacc = ffi.load("oleacc")
-- oleacc.CreateStdAccessibleObject(hwnd, idObject, riid, ppvObject)
-- hwnd : HWND
-- idObject : INT
-- riid : GUID*
-- ppvObject : void** out
-- 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('OLEACC.dll');
const CreateStdAccessibleObject = lib.func('__stdcall', 'CreateStdAccessibleObject', 'int32_t', ['void *', 'int32_t', 'void *', 'void *']);
// CreateStdAccessibleObject(hwnd, idObject, riid, ppvObject)
// hwnd : HWND -> 'void *'
// idObject : INT -> 'int32_t'
// riid : GUID* -> 'void *'
// ppvObject : void** out -> 'void *'
// 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("OLEACC.dll", {
CreateStdAccessibleObject: { parameters: ["pointer", "i32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.CreateStdAccessibleObject(hwnd, idObject, riid, ppvObject)
// hwnd : HWND -> "pointer"
// idObject : INT -> "i32"
// riid : GUID* -> "pointer"
// ppvObject : void** out -> "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 CreateStdAccessibleObject(
void* hwnd,
int32_t idObject,
void* riid,
void** ppvObject);
C, "OLEACC.dll");
// $ffi->CreateStdAccessibleObject(hwnd, idObject, riid, ppvObject);
// hwnd : HWND
// idObject : INT
// riid : GUID*
// ppvObject : void** out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Oleacc extends StdCallLibrary {
Oleacc INSTANCE = Native.load("oleacc", Oleacc.class);
int CreateStdAccessibleObject(
Pointer hwnd, // HWND
int idObject, // INT
Pointer riid, // GUID*
Pointer ppvObject // void** out
);
}@[Link("oleacc")]
lib LibOLEACC
fun CreateStdAccessibleObject = CreateStdAccessibleObject(
hwnd : Void*, # HWND
idObject : Int32, # INT
riid : GUID*, # GUID*
ppvObject : Void** # void** out
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef CreateStdAccessibleObjectNative = Int32 Function(Pointer<Void>, Int32, Pointer<Void>, Pointer<Void>);
typedef CreateStdAccessibleObjectDart = int Function(Pointer<Void>, int, Pointer<Void>, Pointer<Void>);
final CreateStdAccessibleObject = DynamicLibrary.open('OLEACC.dll')
.lookupFunction<CreateStdAccessibleObjectNative, CreateStdAccessibleObjectDart>('CreateStdAccessibleObject');
// hwnd : HWND -> Pointer<Void>
// idObject : INT -> Int32
// riid : GUID* -> Pointer<Void>
// ppvObject : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function CreateStdAccessibleObject(
hwnd: THandle; // HWND
idObject: Integer; // INT
riid: PGUID; // GUID*
ppvObject: Pointer // void** out
): Integer; stdcall;
external 'OLEACC.dll' name 'CreateStdAccessibleObject';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "CreateStdAccessibleObject"
c_CreateStdAccessibleObject :: Ptr () -> Int32 -> Ptr () -> Ptr () -> IO Int32
-- hwnd : HWND -> Ptr ()
-- idObject : INT -> Int32
-- riid : GUID* -> Ptr ()
-- ppvObject : void** out -> Ptr ()
-- 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 createstdaccessibleobject =
foreign "CreateStdAccessibleObject"
((ptr void) @-> int32_t @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* hwnd : HWND -> (ptr void) *)
(* idObject : INT -> int32_t *)
(* riid : GUID* -> (ptr void) *)
(* ppvObject : void** out -> (ptr void) *)
(* 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 oleacc (t "OLEACC.dll"))
(cffi:use-foreign-library oleacc)
(cffi:defcfun ("CreateStdAccessibleObject" create-std-accessible-object :convention :stdcall) :int32
(hwnd :pointer) ; HWND
(id-object :int32) ; INT
(riid :pointer) ; GUID*
(ppv-object :pointer)) ; void** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $CreateStdAccessibleObject = Win32::API::More->new('OLEACC',
'int CreateStdAccessibleObject(HANDLE hwnd, int idObject, LPVOID riid, LPVOID ppvObject)');
# my $ret = $CreateStdAccessibleObject->Call($hwnd, $idObject, $riid, $ppvObject);
# hwnd : HWND -> HANDLE
# idObject : INT -> int
# riid : GUID* -> LPVOID
# ppvObject : void** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。