MFCreateTempFile

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

HRESULT MFCreateTempFile(
    MF_FILE_ACCESSMODE AccessMode,
    MF_FILE_OPENMODE OpenMode,
    MF_FILE_FLAGS fFlags,
    IMFByteStream** ppIByteStream
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCreateTempFile(
    AccessMode As Integer,   ' MF_FILE_ACCESSMODE
    OpenMode As Integer,   ' MF_FILE_OPENMODE
    fFlags As Integer,   ' MF_FILE_FLAGS
    ppIByteStream As IntPtr   ' IMFByteStream** out
) As Integer
End Function

' AccessMode : MF_FILE_ACCESSMODE
' OpenMode : MF_FILE_OPENMODE
' fFlags : MF_FILE_FLAGS
' ppIByteStream : IMFByteStream** out
Declare PtrSafe Function MFCreateTempFile Lib "mfplat" ( _
    ByVal AccessMode As Long, _
    ByVal OpenMode As Long, _
    ByVal fFlags As Long, _
    ByVal ppIByteStream 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

MFCreateTempFile = ctypes.windll.mfplat.MFCreateTempFile
MFCreateTempFile.restype = ctypes.c_int
MFCreateTempFile.argtypes = [
    ctypes.c_int,  # AccessMode : MF_FILE_ACCESSMODE
    ctypes.c_int,  # OpenMode : MF_FILE_OPENMODE
    ctypes.c_int,  # fFlags : MF_FILE_FLAGS
    ctypes.c_void_p,  # ppIByteStream : IMFByteStream** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCreateTempFile = Fiddle::Function.new(
  lib['MFCreateTempFile'],
  [
    Fiddle::TYPE_INT,  # AccessMode : MF_FILE_ACCESSMODE
    Fiddle::TYPE_INT,  # OpenMode : MF_FILE_OPENMODE
    Fiddle::TYPE_INT,  # fFlags : MF_FILE_FLAGS
    Fiddle::TYPE_VOIDP,  # ppIByteStream : IMFByteStream** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFCreateTempFile(
        AccessMode: i32,  // MF_FILE_ACCESSMODE
        OpenMode: i32,  // MF_FILE_OPENMODE
        fFlags: i32,  // MF_FILE_FLAGS
        ppIByteStream: *mut *mut core::ffi::c_void  // IMFByteStream** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCreateTempFile(int AccessMode, int OpenMode, int fFlags, IntPtr ppIByteStream);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCreateTempFile' -Namespace Win32 -PassThru
# $api::MFCreateTempFile(AccessMode, OpenMode, fFlags, ppIByteStream)

#uselib "MFPlat.dll"
#func global MFCreateTempFile "MFCreateTempFile" sptr, sptr, sptr, sptr
; MFCreateTempFile AccessMode, OpenMode, fFlags, ppIByteStream   ; 戻り値は stat
; AccessMode : MF_FILE_ACCESSMODE -> "sptr"
; OpenMode : MF_FILE_OPENMODE -> "sptr"
; fFlags : MF_FILE_FLAGS -> "sptr"
; ppIByteStream : IMFByteStream** 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 MFCreateTempFile "MFCreateTempFile" int, int, int, sptr
; res = MFCreateTempFile(AccessMode, OpenMode, fFlags, ppIByteStream)
; AccessMode : MF_FILE_ACCESSMODE -> "int"
; OpenMode : MF_FILE_OPENMODE -> "int"
; fFlags : MF_FILE_FLAGS -> "int"
; ppIByteStream : IMFByteStream** out -> "sptr"

; HRESULT MFCreateTempFile(MF_FILE_ACCESSMODE AccessMode, MF_FILE_OPENMODE OpenMode, MF_FILE_FLAGS fFlags, IMFByteStream** ppIByteStream)
#uselib "MFPlat.dll"
#cfunc global MFCreateTempFile "MFCreateTempFile" int, int, int, intptr
; res = MFCreateTempFile(AccessMode, OpenMode, fFlags, ppIByteStream)
; AccessMode : MF_FILE_ACCESSMODE -> "int"
; OpenMode : MF_FILE_OPENMODE -> "int"
; fFlags : MF_FILE_FLAGS -> "int"
; ppIByteStream : IMFByteStream** out -> "intptr"

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCreateTempFile = mfplat.NewProc("MFCreateTempFile")
)

// AccessMode (MF_FILE_ACCESSMODE), OpenMode (MF_FILE_OPENMODE), fFlags (MF_FILE_FLAGS), ppIByteStream (IMFByteStream** out)
r1, _, err := procMFCreateTempFile.Call(
	uintptr(AccessMode),
	uintptr(OpenMode),
	uintptr(fFlags),
	uintptr(ppIByteStream),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFCreateTempFile(
  AccessMode: Integer;   // MF_FILE_ACCESSMODE
  OpenMode: Integer;   // MF_FILE_OPENMODE
  fFlags: Integer;   // MF_FILE_FLAGS
  ppIByteStream: Pointer   // IMFByteStream** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateTempFile';

result := DllCall("MFPlat\MFCreateTempFile"
    , "Int", AccessMode   ; MF_FILE_ACCESSMODE
    , "Int", OpenMode   ; MF_FILE_OPENMODE
    , "Int", fFlags   ; MF_FILE_FLAGS
    , "Ptr", ppIByteStream   ; IMFByteStream** out
    , "Int")   ; return: HRESULT

●MFCreateTempFile(AccessMode, OpenMode, fFlags, ppIByteStream) = DLL("MFPlat.dll", "int MFCreateTempFile(int, int, int, void*)")
# 呼び出し: MFCreateTempFile(AccessMode, OpenMode, fFlags, ppIByteStream)
# AccessMode : MF_FILE_ACCESSMODE -> "int"
# OpenMode : MF_FILE_OPENMODE -> "int"
# fFlags : MF_FILE_FLAGS -> "int"
# ppIByteStream : IMFByteStream** 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)。