CoCreateFreeThreadedMarshaler

// OLE32.dll
#include <windows.h>

HRESULT CoCreateFreeThreadedMarshaler(
    IUnknown* punkOuter,   // optional
    IUnknown** ppunkMarshal
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function CoCreateFreeThreadedMarshaler(
    punkOuter As IntPtr,   ' IUnknown* optional
    ppunkMarshal As IntPtr   ' IUnknown** out
) As Integer
End Function

' punkOuter : IUnknown* optional
' ppunkMarshal : IUnknown** out
Declare PtrSafe Function CoCreateFreeThreadedMarshaler Lib "ole32" ( _
    ByVal punkOuter As LongPtr, _
    ByVal ppunkMarshal 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

CoCreateFreeThreadedMarshaler = ctypes.windll.ole32.CoCreateFreeThreadedMarshaler
CoCreateFreeThreadedMarshaler.restype = ctypes.c_int
CoCreateFreeThreadedMarshaler.argtypes = [
    ctypes.c_void_p,  # punkOuter : IUnknown* optional
    ctypes.c_void_p,  # ppunkMarshal : IUnknown** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
CoCreateFreeThreadedMarshaler = Fiddle::Function.new(
  lib['CoCreateFreeThreadedMarshaler'],
  [
    Fiddle::TYPE_VOIDP,  # punkOuter : IUnknown* optional
    Fiddle::TYPE_VOIDP,  # ppunkMarshal : IUnknown** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn CoCreateFreeThreadedMarshaler(
        punkOuter: *mut core::ffi::c_void,  // IUnknown* optional
        ppunkMarshal: *mut *mut core::ffi::c_void  // IUnknown** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int CoCreateFreeThreadedMarshaler(IntPtr punkOuter, IntPtr ppunkMarshal);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_CoCreateFreeThreadedMarshaler' -Namespace Win32 -PassThru
# $api::CoCreateFreeThreadedMarshaler(punkOuter, ppunkMarshal)

#uselib "OLE32.dll"
#func global CoCreateFreeThreadedMarshaler "CoCreateFreeThreadedMarshaler" sptr, sptr
; CoCreateFreeThreadedMarshaler punkOuter, ppunkMarshal   ; 戻り値は stat
; punkOuter : IUnknown* optional -> "sptr"
; ppunkMarshal : IUnknown** 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。

#uselib "OLE32.dll"
#cfunc global CoCreateFreeThreadedMarshaler "CoCreateFreeThreadedMarshaler" sptr, sptr
; res = CoCreateFreeThreadedMarshaler(punkOuter, ppunkMarshal)
; punkOuter : IUnknown* optional -> "sptr"
; ppunkMarshal : IUnknown** out -> "sptr"

; HRESULT CoCreateFreeThreadedMarshaler(IUnknown* punkOuter, IUnknown** ppunkMarshal)
#uselib "OLE32.dll"
#cfunc global CoCreateFreeThreadedMarshaler "CoCreateFreeThreadedMarshaler" intptr, intptr
; res = CoCreateFreeThreadedMarshaler(punkOuter, ppunkMarshal)
; punkOuter : IUnknown* optional -> "intptr"
; ppunkMarshal : IUnknown** out -> "intptr"

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procCoCreateFreeThreadedMarshaler = ole32.NewProc("CoCreateFreeThreadedMarshaler")
)

// punkOuter (IUnknown* optional), ppunkMarshal (IUnknown** out)
r1, _, err := procCoCreateFreeThreadedMarshaler.Call(
	uintptr(punkOuter),
	uintptr(ppunkMarshal),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CoCreateFreeThreadedMarshaler(
  punkOuter: Pointer;   // IUnknown* optional
  ppunkMarshal: Pointer   // IUnknown** out
): Integer; stdcall;
  external 'OLE32.dll' name 'CoCreateFreeThreadedMarshaler';

result := DllCall("OLE32\CoCreateFreeThreadedMarshaler"
    , "Ptr", punkOuter   ; IUnknown* optional
    , "Ptr", ppunkMarshal   ; IUnknown** out
    , "Int")   ; return: HRESULT

●CoCreateFreeThreadedMarshaler(punkOuter, ppunkMarshal) = DLL("OLE32.dll", "int CoCreateFreeThreadedMarshaler(void*, void*)")
# 呼び出し: CoCreateFreeThreadedMarshaler(punkOuter, ppunkMarshal)
# punkOuter : IUnknown* optional -> "void*"
# ppunkMarshal : IUnknown** 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 "ole32" fn CoCreateFreeThreadedMarshaler(
    punkOuter: ?*anyopaque, // IUnknown* optional
    ppunkMarshal: ?*anyopaque // IUnknown** out
) callconv(std.os.windows.WINAPI) i32;

proc CoCreateFreeThreadedMarshaler(
    punkOuter: pointer,  # IUnknown* optional
    ppunkMarshal: pointer  # IUnknown** out
): int32 {.importc: "CoCreateFreeThreadedMarshaler", stdcall, dynlib: "OLE32.dll".}

pragma(lib, "ole32");
extern(Windows)
int CoCreateFreeThreadedMarshaler(
    void* punkOuter,   // IUnknown* optional
    void* ppunkMarshal   // IUnknown** out
);

ccall((:CoCreateFreeThreadedMarshaler, "OLE32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}),
      punkOuter, ppunkMarshal)
# punkOuter : IUnknown* optional -> Ptr{Cvoid}
# ppunkMarshal : IUnknown** 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 CoCreateFreeThreadedMarshaler(
    void* punkOuter,
    void* ppunkMarshal);
]]
local ole32 = ffi.load("ole32")
-- ole32.CoCreateFreeThreadedMarshaler(punkOuter, ppunkMarshal)
-- punkOuter : IUnknown* optional
-- ppunkMarshal : IUnknown** 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('OLE32.dll');
const CoCreateFreeThreadedMarshaler = lib.func('__stdcall', 'CoCreateFreeThreadedMarshaler', 'int32_t', ['void *', 'void *']);
// CoCreateFreeThreadedMarshaler(punkOuter, ppunkMarshal)
// punkOuter : IUnknown* optional -> 'void *'
// ppunkMarshal : IUnknown** 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("OLE32.dll", {
  CoCreateFreeThreadedMarshaler: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.CoCreateFreeThreadedMarshaler(punkOuter, ppunkMarshal)
// punkOuter : IUnknown* optional -> "pointer"
// ppunkMarshal : IUnknown** 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 CoCreateFreeThreadedMarshaler(
    void* punkOuter,
    void* ppunkMarshal);
C, "OLE32.dll");
// $ffi->CoCreateFreeThreadedMarshaler(punkOuter, ppunkMarshal);
// punkOuter : IUnknown* optional
// ppunkMarshal : IUnknown** 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 Ole32 extends StdCallLibrary {
    Ole32 INSTANCE = Native.load("ole32", Ole32.class);
    int CoCreateFreeThreadedMarshaler(
        Pointer punkOuter,   // IUnknown* optional
        Pointer ppunkMarshal   // IUnknown** out
    );
}

@[Link("ole32")]
lib LibOLE32
  fun CoCreateFreeThreadedMarshaler = CoCreateFreeThreadedMarshaler(
    punkOuter : Void*,   # IUnknown* optional
    ppunkMarshal : Void*   # IUnknown** 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 CoCreateFreeThreadedMarshalerNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef CoCreateFreeThreadedMarshalerDart = int Function(Pointer<Void>, Pointer<Void>);
final CoCreateFreeThreadedMarshaler = DynamicLibrary.open('OLE32.dll')
    .lookupFunction<CoCreateFreeThreadedMarshalerNative, CoCreateFreeThreadedMarshalerDart>('CoCreateFreeThreadedMarshaler');
// punkOuter : IUnknown* optional -> Pointer<Void>
// ppunkMarshal : IUnknown** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CoCreateFreeThreadedMarshaler(
  punkOuter: Pointer;   // IUnknown* optional
  ppunkMarshal: Pointer   // IUnknown** out
): Integer; stdcall;
  external 'OLE32.dll' name 'CoCreateFreeThreadedMarshaler';

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

foreign import stdcall safe "CoCreateFreeThreadedMarshaler"
  c_CoCreateFreeThreadedMarshaler :: Ptr () -> Ptr () -> IO Int32
-- punkOuter : IUnknown* optional -> Ptr ()
-- ppunkMarshal : IUnknown** 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 cocreatefreethreadedmarshaler =
  foreign "CoCreateFreeThreadedMarshaler"
    ((ptr void) @-> (ptr void) @-> returning int32_t)
(* punkOuter : IUnknown* optional -> (ptr void) *)
(* ppunkMarshal : IUnknown** 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 ole32 (t "OLE32.dll"))
(cffi:use-foreign-library ole32)

(cffi:defcfun ("CoCreateFreeThreadedMarshaler" co-create-free-threaded-marshaler :convention :stdcall) :int32
  (punk-outer :pointer)   ; IUnknown* optional
  (ppunk-marshal :pointer))   ; IUnknown** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CoCreateFreeThreadedMarshaler = Win32::API::More->new('OLE32',
    'int CoCreateFreeThreadedMarshaler(LPVOID punkOuter, LPVOID ppunkMarshal)');
# my $ret = $CoCreateFreeThreadedMarshaler->Call($punkOuter, $ppunkMarshal);
# punkOuter : IUnknown* optional -> LPVOID
# ppunkMarshal : IUnknown** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。