MFBeginCreateFile

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

HRESULT MFBeginCreateFile(
    MF_FILE_ACCESSMODE AccessMode,
    MF_FILE_OPENMODE OpenMode,
    MF_FILE_FLAGS fFlags,
    LPCWSTR pwszFilePath,
    IMFAsyncCallback* pCallback,
    IUnknown* pState,
    IUnknown** ppCancelCookie
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFBeginCreateFile(
    AccessMode As Integer,   ' MF_FILE_ACCESSMODE
    OpenMode As Integer,   ' MF_FILE_OPENMODE
    fFlags As Integer,   ' MF_FILE_FLAGS
    <MarshalAs(UnmanagedType.LPWStr)> pwszFilePath As String,   ' LPCWSTR
    pCallback As IntPtr,   ' IMFAsyncCallback*
    pState As IntPtr,   ' IUnknown*
    ppCancelCookie As IntPtr   ' IUnknown** out
) As Integer
End Function

' AccessMode : MF_FILE_ACCESSMODE
' OpenMode : MF_FILE_OPENMODE
' fFlags : MF_FILE_FLAGS
' pwszFilePath : LPCWSTR
' pCallback : IMFAsyncCallback*
' pState : IUnknown*
' ppCancelCookie : IUnknown** out
Declare PtrSafe Function MFBeginCreateFile Lib "mfplat" ( _
    ByVal AccessMode As Long, _
    ByVal OpenMode As Long, _
    ByVal fFlags As Long, _
    ByVal pwszFilePath As LongPtr, _
    ByVal pCallback As LongPtr, _
    ByVal pState As LongPtr, _
    ByVal ppCancelCookie 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

MFBeginCreateFile = ctypes.windll.mfplat.MFBeginCreateFile
MFBeginCreateFile.restype = ctypes.c_int
MFBeginCreateFile.argtypes = [
    ctypes.c_int,  # AccessMode : MF_FILE_ACCESSMODE
    ctypes.c_int,  # OpenMode : MF_FILE_OPENMODE
    ctypes.c_int,  # fFlags : MF_FILE_FLAGS
    wintypes.LPCWSTR,  # pwszFilePath : LPCWSTR
    ctypes.c_void_p,  # pCallback : IMFAsyncCallback*
    ctypes.c_void_p,  # pState : IUnknown*
    ctypes.c_void_p,  # ppCancelCookie : IUnknown** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFBeginCreateFile = Fiddle::Function.new(
  lib['MFBeginCreateFile'],
  [
    Fiddle::TYPE_INT,  # AccessMode : MF_FILE_ACCESSMODE
    Fiddle::TYPE_INT,  # OpenMode : MF_FILE_OPENMODE
    Fiddle::TYPE_INT,  # fFlags : MF_FILE_FLAGS
    Fiddle::TYPE_VOIDP,  # pwszFilePath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pCallback : IMFAsyncCallback*
    Fiddle::TYPE_VOIDP,  # pState : IUnknown*
    Fiddle::TYPE_VOIDP,  # ppCancelCookie : IUnknown** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFBeginCreateFile(
        AccessMode: i32,  // MF_FILE_ACCESSMODE
        OpenMode: i32,  // MF_FILE_OPENMODE
        fFlags: i32,  // MF_FILE_FLAGS
        pwszFilePath: *const u16,  // LPCWSTR
        pCallback: *mut core::ffi::c_void,  // IMFAsyncCallback*
        pState: *mut core::ffi::c_void,  // IUnknown*
        ppCancelCookie: *mut *mut core::ffi::c_void  // IUnknown** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFBeginCreateFile(int AccessMode, int OpenMode, int fFlags, [MarshalAs(UnmanagedType.LPWStr)] string pwszFilePath, IntPtr pCallback, IntPtr pState, IntPtr ppCancelCookie);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFBeginCreateFile' -Namespace Win32 -PassThru
# $api::MFBeginCreateFile(AccessMode, OpenMode, fFlags, pwszFilePath, pCallback, pState, ppCancelCookie)

#uselib "MFPlat.dll"
#func global MFBeginCreateFile "MFBeginCreateFile" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; MFBeginCreateFile AccessMode, OpenMode, fFlags, pwszFilePath, pCallback, pState, ppCancelCookie   ; 戻り値は stat
; AccessMode : MF_FILE_ACCESSMODE -> "sptr"
; OpenMode : MF_FILE_OPENMODE -> "sptr"
; fFlags : MF_FILE_FLAGS -> "sptr"
; pwszFilePath : LPCWSTR -> "sptr"
; pCallback : IMFAsyncCallback* -> "sptr"
; pState : IUnknown* -> "sptr"
; ppCancelCookie : 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 "MFPlat.dll"
#cfunc global MFBeginCreateFile "MFBeginCreateFile" int, int, int, wstr, sptr, sptr, sptr
; res = MFBeginCreateFile(AccessMode, OpenMode, fFlags, pwszFilePath, pCallback, pState, ppCancelCookie)
; AccessMode : MF_FILE_ACCESSMODE -> "int"
; OpenMode : MF_FILE_OPENMODE -> "int"
; fFlags : MF_FILE_FLAGS -> "int"
; pwszFilePath : LPCWSTR -> "wstr"
; pCallback : IMFAsyncCallback* -> "sptr"
; pState : IUnknown* -> "sptr"
; ppCancelCookie : IUnknown** out -> "sptr"

; HRESULT MFBeginCreateFile(MF_FILE_ACCESSMODE AccessMode, MF_FILE_OPENMODE OpenMode, MF_FILE_FLAGS fFlags, LPCWSTR pwszFilePath, IMFAsyncCallback* pCallback, IUnknown* pState, IUnknown** ppCancelCookie)
#uselib "MFPlat.dll"
#cfunc global MFBeginCreateFile "MFBeginCreateFile" int, int, int, wstr, intptr, intptr, intptr
; res = MFBeginCreateFile(AccessMode, OpenMode, fFlags, pwszFilePath, pCallback, pState, ppCancelCookie)
; AccessMode : MF_FILE_ACCESSMODE -> "int"
; OpenMode : MF_FILE_OPENMODE -> "int"
; fFlags : MF_FILE_FLAGS -> "int"
; pwszFilePath : LPCWSTR -> "wstr"
; pCallback : IMFAsyncCallback* -> "intptr"
; pState : IUnknown* -> "intptr"
; ppCancelCookie : IUnknown** out -> "intptr"

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFBeginCreateFile = mfplat.NewProc("MFBeginCreateFile")
)

// AccessMode (MF_FILE_ACCESSMODE), OpenMode (MF_FILE_OPENMODE), fFlags (MF_FILE_FLAGS), pwszFilePath (LPCWSTR), pCallback (IMFAsyncCallback*), pState (IUnknown*), ppCancelCookie (IUnknown** out)
r1, _, err := procMFBeginCreateFile.Call(
	uintptr(AccessMode),
	uintptr(OpenMode),
	uintptr(fFlags),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pwszFilePath))),
	uintptr(pCallback),
	uintptr(pState),
	uintptr(ppCancelCookie),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFBeginCreateFile(
  AccessMode: Integer;   // MF_FILE_ACCESSMODE
  OpenMode: Integer;   // MF_FILE_OPENMODE
  fFlags: Integer;   // MF_FILE_FLAGS
  pwszFilePath: PWideChar;   // LPCWSTR
  pCallback: Pointer;   // IMFAsyncCallback*
  pState: Pointer;   // IUnknown*
  ppCancelCookie: Pointer   // IUnknown** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFBeginCreateFile';

result := DllCall("MFPlat\MFBeginCreateFile"
    , "Int", AccessMode   ; MF_FILE_ACCESSMODE
    , "Int", OpenMode   ; MF_FILE_OPENMODE
    , "Int", fFlags   ; MF_FILE_FLAGS
    , "WStr", pwszFilePath   ; LPCWSTR
    , "Ptr", pCallback   ; IMFAsyncCallback*
    , "Ptr", pState   ; IUnknown*
    , "Ptr", ppCancelCookie   ; IUnknown** out
    , "Int")   ; return: HRESULT

●MFBeginCreateFile(AccessMode, OpenMode, fFlags, pwszFilePath, pCallback, pState, ppCancelCookie) = DLL("MFPlat.dll", "int MFBeginCreateFile(int, int, int, char*, void*, void*, void*)")
# 呼び出し: MFBeginCreateFile(AccessMode, OpenMode, fFlags, pwszFilePath, pCallback, pState, ppCancelCookie)
# AccessMode : MF_FILE_ACCESSMODE -> "int"
# OpenMode : MF_FILE_OPENMODE -> "int"
# fFlags : MF_FILE_FLAGS -> "int"
# pwszFilePath : LPCWSTR -> "char*"
# pCallback : IMFAsyncCallback* -> "void*"
# pState : IUnknown* -> "void*"
# ppCancelCookie : 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 "mfplat" fn MFBeginCreateFile(
    AccessMode: i32, // MF_FILE_ACCESSMODE
    OpenMode: i32, // MF_FILE_OPENMODE
    fFlags: i32, // MF_FILE_FLAGS
    pwszFilePath: [*c]const u16, // LPCWSTR
    pCallback: ?*anyopaque, // IMFAsyncCallback*
    pState: ?*anyopaque, // IUnknown*
    ppCancelCookie: ?*anyopaque // IUnknown** out
) callconv(std.os.windows.WINAPI) i32;

proc MFBeginCreateFile(
    AccessMode: int32,  # MF_FILE_ACCESSMODE
    OpenMode: int32,  # MF_FILE_OPENMODE
    fFlags: int32,  # MF_FILE_FLAGS
    pwszFilePath: WideCString,  # LPCWSTR
    pCallback: pointer,  # IMFAsyncCallback*
    pState: pointer,  # IUnknown*
    ppCancelCookie: pointer  # IUnknown** out
): int32 {.importc: "MFBeginCreateFile", stdcall, dynlib: "MFPlat.dll".}

pragma(lib, "mfplat");
extern(Windows)
int MFBeginCreateFile(
    int AccessMode,   // MF_FILE_ACCESSMODE
    int OpenMode,   // MF_FILE_OPENMODE
    int fFlags,   // MF_FILE_FLAGS
    const(wchar)* pwszFilePath,   // LPCWSTR
    void* pCallback,   // IMFAsyncCallback*
    void* pState,   // IUnknown*
    void* ppCancelCookie   // IUnknown** out
);

ccall((:MFBeginCreateFile, "MFPlat.dll"), stdcall, Int32,
      (Int32, Int32, Int32, Cwstring, Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Cvoid}),
      AccessMode, OpenMode, fFlags, pwszFilePath, pCallback, pState, ppCancelCookie)
# AccessMode : MF_FILE_ACCESSMODE -> Int32
# OpenMode : MF_FILE_OPENMODE -> Int32
# fFlags : MF_FILE_FLAGS -> Int32
# pwszFilePath : LPCWSTR -> Cwstring
# pCallback : IMFAsyncCallback* -> Ptr{Cvoid}
# pState : IUnknown* -> Ptr{Cvoid}
# ppCancelCookie : 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 MFBeginCreateFile(
    int32_t AccessMode,
    int32_t OpenMode,
    int32_t fFlags,
    const uint16_t* pwszFilePath,
    void* pCallback,
    void* pState,
    void* ppCancelCookie);
]]
local mfplat = ffi.load("mfplat")
-- mfplat.MFBeginCreateFile(AccessMode, OpenMode, fFlags, pwszFilePath, pCallback, pState, ppCancelCookie)
-- AccessMode : MF_FILE_ACCESSMODE
-- OpenMode : MF_FILE_OPENMODE
-- fFlags : MF_FILE_FLAGS
-- pwszFilePath : LPCWSTR
-- pCallback : IMFAsyncCallback*
-- pState : IUnknown*
-- ppCancelCookie : 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('MFPlat.dll');
const MFBeginCreateFile = lib.func('__stdcall', 'MFBeginCreateFile', 'int32_t', ['int32_t', 'int32_t', 'int32_t', 'str16', 'void *', 'void *', 'void *']);
// MFBeginCreateFile(AccessMode, OpenMode, fFlags, pwszFilePath, pCallback, pState, ppCancelCookie)
// AccessMode : MF_FILE_ACCESSMODE -> 'int32_t'
// OpenMode : MF_FILE_OPENMODE -> 'int32_t'
// fFlags : MF_FILE_FLAGS -> 'int32_t'
// pwszFilePath : LPCWSTR -> 'str16'
// pCallback : IMFAsyncCallback* -> 'void *'
// pState : IUnknown* -> 'void *'
// ppCancelCookie : 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("MFPlat.dll", {
  MFBeginCreateFile: { parameters: ["i32", "i32", "i32", "buffer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFBeginCreateFile(AccessMode, OpenMode, fFlags, pwszFilePath, pCallback, pState, ppCancelCookie)
// AccessMode : MF_FILE_ACCESSMODE -> "i32"
// OpenMode : MF_FILE_OPENMODE -> "i32"
// fFlags : MF_FILE_FLAGS -> "i32"
// pwszFilePath : LPCWSTR -> "buffer"
// pCallback : IMFAsyncCallback* -> "pointer"
// pState : IUnknown* -> "pointer"
// ppCancelCookie : 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 MFBeginCreateFile(
    int32_t AccessMode,
    int32_t OpenMode,
    int32_t fFlags,
    const uint16_t* pwszFilePath,
    void* pCallback,
    void* pState,
    void* ppCancelCookie);
C, "MFPlat.dll");
// $ffi->MFBeginCreateFile(AccessMode, OpenMode, fFlags, pwszFilePath, pCallback, pState, ppCancelCookie);
// AccessMode : MF_FILE_ACCESSMODE
// OpenMode : MF_FILE_OPENMODE
// fFlags : MF_FILE_FLAGS
// pwszFilePath : LPCWSTR
// pCallback : IMFAsyncCallback*
// pState : IUnknown*
// ppCancelCookie : 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 Mfplat extends StdCallLibrary {
    Mfplat INSTANCE = Native.load("mfplat", Mfplat.class);
    int MFBeginCreateFile(
        int AccessMode,   // MF_FILE_ACCESSMODE
        int OpenMode,   // MF_FILE_OPENMODE
        int fFlags,   // MF_FILE_FLAGS
        WString pwszFilePath,   // LPCWSTR
        Pointer pCallback,   // IMFAsyncCallback*
        Pointer pState,   // IUnknown*
        Pointer ppCancelCookie   // IUnknown** out
    );
}

@[Link("mfplat")]
lib LibMFPlat
  fun MFBeginCreateFile = MFBeginCreateFile(
    AccessMode : Int32,   # MF_FILE_ACCESSMODE
    OpenMode : Int32,   # MF_FILE_OPENMODE
    fFlags : Int32,   # MF_FILE_FLAGS
    pwszFilePath : UInt16*,   # LPCWSTR
    pCallback : Void*,   # IMFAsyncCallback*
    pState : Void*,   # IUnknown*
    ppCancelCookie : 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 MFBeginCreateFileNative = Int32 Function(Int32, Int32, Int32, Pointer<Utf16>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef MFBeginCreateFileDart = int Function(int, int, int, Pointer<Utf16>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
final MFBeginCreateFile = DynamicLibrary.open('MFPlat.dll')
    .lookupFunction<MFBeginCreateFileNative, MFBeginCreateFileDart>('MFBeginCreateFile');
// AccessMode : MF_FILE_ACCESSMODE -> Int32
// OpenMode : MF_FILE_OPENMODE -> Int32
// fFlags : MF_FILE_FLAGS -> Int32
// pwszFilePath : LPCWSTR -> Pointer<Utf16>
// pCallback : IMFAsyncCallback* -> Pointer<Void>
// pState : IUnknown* -> Pointer<Void>
// ppCancelCookie : IUnknown** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MFBeginCreateFile(
  AccessMode: Integer;   // MF_FILE_ACCESSMODE
  OpenMode: Integer;   // MF_FILE_OPENMODE
  fFlags: Integer;   // MF_FILE_FLAGS
  pwszFilePath: PWideChar;   // LPCWSTR
  pCallback: Pointer;   // IMFAsyncCallback*
  pState: Pointer;   // IUnknown*
  ppCancelCookie: Pointer   // IUnknown** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFBeginCreateFile';

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

foreign import stdcall safe "MFBeginCreateFile"
  c_MFBeginCreateFile :: Int32 -> Int32 -> Int32 -> CWString -> Ptr () -> Ptr () -> Ptr () -> IO Int32
-- AccessMode : MF_FILE_ACCESSMODE -> Int32
-- OpenMode : MF_FILE_OPENMODE -> Int32
-- fFlags : MF_FILE_FLAGS -> Int32
-- pwszFilePath : LPCWSTR -> CWString
-- pCallback : IMFAsyncCallback* -> Ptr ()
-- pState : IUnknown* -> Ptr ()
-- ppCancelCookie : 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 mfbegincreatefile =
  foreign "MFBeginCreateFile"
    (int32_t @-> int32_t @-> int32_t @-> (ptr uint16_t) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* AccessMode : MF_FILE_ACCESSMODE -> int32_t *)
(* OpenMode : MF_FILE_OPENMODE -> int32_t *)
(* fFlags : MF_FILE_FLAGS -> int32_t *)
(* pwszFilePath : LPCWSTR -> (ptr uint16_t) *)
(* pCallback : IMFAsyncCallback* -> (ptr void) *)
(* pState : IUnknown* -> (ptr void) *)
(* ppCancelCookie : 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 mfplat (t "MFPlat.dll"))
(cffi:use-foreign-library mfplat)

(cffi:defcfun ("MFBeginCreateFile" mfbegin-create-file :convention :stdcall) :int32
  (access-mode :int32)   ; MF_FILE_ACCESSMODE
  (open-mode :int32)   ; MF_FILE_OPENMODE
  (f-flags :int32)   ; MF_FILE_FLAGS
  (pwsz-file-path (:string :encoding :utf-16le))   ; LPCWSTR
  (p-callback :pointer)   ; IMFAsyncCallback*
  (p-state :pointer)   ; IUnknown*
  (pp-cancel-cookie :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 $MFBeginCreateFile = Win32::API::More->new('MFPlat',
    'int MFBeginCreateFile(int AccessMode, int OpenMode, int fFlags, LPCWSTR pwszFilePath, LPVOID pCallback, LPVOID pState, LPVOID ppCancelCookie)');
# my $ret = $MFBeginCreateFile->Call($AccessMode, $OpenMode, $fFlags, $pwszFilePath, $pCallback, $pState, $ppCancelCookie);
# AccessMode : MF_FILE_ACCESSMODE -> int
# OpenMode : MF_FILE_OPENMODE -> int
# fFlags : MF_FILE_FLAGS -> int
# pwszFilePath : LPCWSTR -> LPCWSTR
# pCallback : IMFAsyncCallback* -> LPVOID
# pState : IUnknown* -> LPVOID
# ppCancelCookie : 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。