CreateStdAccessibleProxyW

// OLEACC.dll  (Unicode / -W)
#include <windows.h>

HRESULT CreateStdAccessibleProxyW(
    HWND hwnd,
    LPCWSTR pClassName,
    INT idObject,
    const GUID* riid,
    void** ppvObject
);

<DllImport("OLEACC.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function CreateStdAccessibleProxyW(
    hwnd As IntPtr,   ' HWND
    <MarshalAs(UnmanagedType.LPWStr)> pClassName As String,   ' LPCWSTR
    idObject As Integer,   ' INT
    ByRef riid As Guid,   ' GUID*
    ppvObject As IntPtr   ' void** out
) As Integer
End Function

' hwnd : HWND
' pClassName : LPCWSTR
' idObject : INT
' riid : GUID*
' ppvObject : void** out
Declare PtrSafe Function CreateStdAccessibleProxyW Lib "oleacc" ( _
    ByVal hwnd As LongPtr, _
    ByVal pClassName As LongPtr, _
    ByVal idObject As Long, _
    ByVal riid As LongPtr, _
    ByVal ppvObject As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CreateStdAccessibleProxyW = ctypes.windll.oleacc.CreateStdAccessibleProxyW
CreateStdAccessibleProxyW.restype = ctypes.c_int
CreateStdAccessibleProxyW.argtypes = [
    wintypes.HANDLE,  # hwnd : HWND
    wintypes.LPCWSTR,  # pClassName : LPCWSTR
    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')
CreateStdAccessibleProxyW = Fiddle::Function.new(
  lib['CreateStdAccessibleProxyW'],
  [
    Fiddle::TYPE_VOIDP,  # hwnd : HWND
    Fiddle::TYPE_VOIDP,  # pClassName : LPCWSTR
    Fiddle::TYPE_INT,  # idObject : INT
    Fiddle::TYPE_VOIDP,  # riid : GUID*
    Fiddle::TYPE_VOIDP,  # ppvObject : void** out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "oleacc")]
extern "system" {
    fn CreateStdAccessibleProxyW(
        hwnd: *mut core::ffi::c_void,  // HWND
        pClassName: *const u16,  // LPCWSTR
        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", CharSet = CharSet.Unicode)]
public static extern int CreateStdAccessibleProxyW(IntPtr hwnd, [MarshalAs(UnmanagedType.LPWStr)] string pClassName, int idObject, ref Guid riid, IntPtr ppvObject);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLEACC_CreateStdAccessibleProxyW' -Namespace Win32 -PassThru
# $api::CreateStdAccessibleProxyW(hwnd, pClassName, idObject, riid, ppvObject)

#uselib "OLEACC.dll"
#func global CreateStdAccessibleProxyW "CreateStdAccessibleProxyW" wptr, wptr, wptr, wptr, wptr
; CreateStdAccessibleProxyW hwnd, pClassName, idObject, varptr(riid), ppvObject   ; 戻り値は stat
; hwnd : HWND -> "wptr"
; pClassName : LPCWSTR -> "wptr"
; idObject : INT -> "wptr"
; riid : GUID* -> "wptr"
; ppvObject : void** out -> "wptr"
; ※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。

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

var (
	oleacc = windows.NewLazySystemDLL("OLEACC.dll")
	procCreateStdAccessibleProxyW = oleacc.NewProc("CreateStdAccessibleProxyW")
)

// hwnd (HWND), pClassName (LPCWSTR), idObject (INT), riid (GUID*), ppvObject (void** out)
r1, _, err := procCreateStdAccessibleProxyW.Call(
	uintptr(hwnd),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pClassName))),
	uintptr(idObject),
	uintptr(riid),
	uintptr(ppvObject),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CreateStdAccessibleProxyW(
  hwnd: THandle;   // HWND
  pClassName: PWideChar;   // LPCWSTR
  idObject: Integer;   // INT
  riid: PGUID;   // GUID*
  ppvObject: Pointer   // void** out
): Integer; stdcall;
  external 'OLEACC.dll' name 'CreateStdAccessibleProxyW';

result := DllCall("OLEACC\CreateStdAccessibleProxyW"
    , "Ptr", hwnd   ; HWND
    , "WStr", pClassName   ; LPCWSTR
    , "Int", idObject   ; INT
    , "Ptr", riid   ; GUID*
    , "Ptr", ppvObject   ; void** out
    , "Int")   ; return: HRESULT

●CreateStdAccessibleProxyW(hwnd, pClassName, idObject, riid, ppvObject) = DLL("OLEACC.dll", "int CreateStdAccessibleProxyW(void*, char*, int, void*, void*)")
# 呼び出し: CreateStdAccessibleProxyW(hwnd, pClassName, idObject, riid, ppvObject)
# hwnd : HWND -> "void*"
# pClassName : LPCWSTR -> "char*"
# 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "oleacc" fn CreateStdAccessibleProxyW(
    hwnd: ?*anyopaque, // HWND
    pClassName: [*c]const u16, // LPCWSTR
    idObject: i32, // INT
    riid: [*c]GUID, // GUID*
    ppvObject: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) i32;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc CreateStdAccessibleProxyW(
    hwnd: pointer,  # HWND
    pClassName: WideCString,  # LPCWSTR
    idObject: int32,  # INT
    riid: ptr GUID,  # GUID*
    ppvObject: pointer  # void** out
): int32 {.importc: "CreateStdAccessibleProxyW", stdcall, dynlib: "OLEACC.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "oleacc");
extern(Windows)
int CreateStdAccessibleProxyW(
    void* hwnd,   // HWND
    const(wchar)* pClassName,   // LPCWSTR
    int idObject,   // INT
    GUID* riid,   // GUID*
    void** ppvObject   // void** out
);

ccall((:CreateStdAccessibleProxyW, "OLEACC.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Cwstring, Int32, Ptr{GUID}, Ptr{Cvoid}),
      hwnd, pClassName, idObject, riid, ppvObject)
# hwnd : HWND -> Ptr{Cvoid}
# pClassName : LPCWSTR -> Cwstring
# 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)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
int32_t CreateStdAccessibleProxyW(
    void* hwnd,
    const uint16_t* pClassName,
    int32_t idObject,
    void* riid,
    void** ppvObject);
]]
local oleacc = ffi.load("oleacc")
-- oleacc.CreateStdAccessibleProxyW(hwnd, pClassName, idObject, riid, ppvObject)
-- hwnd : HWND
-- pClassName : LPCWSTR
-- 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('OLEACC.dll');
const CreateStdAccessibleProxyW = lib.func('__stdcall', 'CreateStdAccessibleProxyW', 'int32_t', ['void *', 'str16', 'int32_t', 'void *', 'void *']);
// CreateStdAccessibleProxyW(hwnd, pClassName, idObject, riid, ppvObject)
// hwnd : HWND -> 'void *'
// pClassName : LPCWSTR -> 'str16'
// 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", {
  CreateStdAccessibleProxyW: { parameters: ["pointer", "buffer", "i32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.CreateStdAccessibleProxyW(hwnd, pClassName, idObject, riid, ppvObject)
// hwnd : HWND -> "pointer"
// pClassName : LPCWSTR -> "buffer"
// idObject : INT -> "i32"
// riid : GUID* -> "pointer"
// ppvObject : void** out -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)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 CreateStdAccessibleProxyW(
    void* hwnd,
    const uint16_t* pClassName,
    int32_t idObject,
    void* riid,
    void** ppvObject);
C, "OLEACC.dll");
// $ffi->CreateStdAccessibleProxyW(hwnd, pClassName, idObject, riid, ppvObject);
// hwnd : HWND
// pClassName : LPCWSTR
// 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, W32APIOptions.UNICODE_OPTIONS);
    int CreateStdAccessibleProxyW(
        Pointer hwnd,   // HWND
        WString pClassName,   // LPCWSTR
        int idObject,   // INT
        Pointer riid,   // GUID*
        Pointer ppvObject   // void** out
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("oleacc")]
lib LibOLEACC
  fun CreateStdAccessibleProxyW = CreateStdAccessibleProxyW(
    hwnd : Void*,   # HWND
    pClassName : UInt16*,   # LPCWSTR
    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 CreateStdAccessibleProxyWNative = Int32 Function(Pointer<Void>, Pointer<Utf16>, Int32, Pointer<Void>, Pointer<Void>);
typedef CreateStdAccessibleProxyWDart = int Function(Pointer<Void>, Pointer<Utf16>, int, Pointer<Void>, Pointer<Void>);
final CreateStdAccessibleProxyW = DynamicLibrary.open('OLEACC.dll')
    .lookupFunction<CreateStdAccessibleProxyWNative, CreateStdAccessibleProxyWDart>('CreateStdAccessibleProxyW');
// hwnd : HWND -> Pointer<Void>
// pClassName : LPCWSTR -> Pointer<Utf16>
// 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 CreateStdAccessibleProxyW(
  hwnd: THandle;   // HWND
  pClassName: PWideChar;   // LPCWSTR
  idObject: Integer;   // INT
  riid: PGUID;   // GUID*
  ppvObject: Pointer   // void** out
): Integer; stdcall;
  external 'OLEACC.dll' name 'CreateStdAccessibleProxyW';

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

foreign import stdcall safe "CreateStdAccessibleProxyW"
  c_CreateStdAccessibleProxyW :: Ptr () -> CWString -> Int32 -> Ptr () -> Ptr () -> IO Int32
-- hwnd : HWND -> Ptr ()
-- pClassName : LPCWSTR -> CWString
-- 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 createstdaccessibleproxyw =
  foreign "CreateStdAccessibleProxyW"
    ((ptr void) @-> (ptr uint16_t) @-> int32_t @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* hwnd : HWND -> (ptr void) *)
(* pClassName : LPCWSTR -> (ptr uint16_t) *)
(* 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 ("CreateStdAccessibleProxyW" create-std-accessible-proxy-w :convention :stdcall) :int32
  (hwnd :pointer)   ; HWND
  (p-class-name (:string :encoding :utf-16le))   ; LPCWSTR
  (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 $CreateStdAccessibleProxyW = Win32::API::More->new('OLEACC',
    'int CreateStdAccessibleProxyW(HANDLE hwnd, LPCWSTR pClassName, int idObject, LPVOID riid, LPVOID ppvObject)');
# my $ret = $CreateStdAccessibleProxyW->Call($hwnd, $pClassName, $idObject, $riid, $ppvObject);
# hwnd : HWND -> HANDLE
# pClassName : LPCWSTR -> LPCWSTR
# 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。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。