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OpenTnefStreamEx

関数
アドレス帳を指定してTNEFストリームを開く拡張版。
DLLMAPI32.dll呼出規約winapi
📘 Microsoft Learn (日本語) · English

シグネチャ

// MAPI32.dll
#include <windows.h>

HRESULT OpenTnefStreamEx(
    void* lpvSupport,
    IStream* lpStream,
    CHAR* lpszStreamName,
    DWORD ulFlags,
    IMessage* lpMessage,
    WORD wKeyVal,
    IAddrBook* lpAdressBook,
    ITnef** lppTNEF
);

パラメーター

名前型方向説明
lpvSupportvoid*inoutMAPIサポートオブジェクトへのポインタ。アドレス解決等に使用する。
lpStreamIStream*inTNEFデータを読み書きする入出力ストリーム(IStream)へのポインタ。
lpszStreamNameCHAR*inTNEFストリームの名前を示すANSI文字列へのポインタ。
ulFlagsDWORDin動作を制御するフラグ(TNEF_DECODE/TNEF_ENCODE等)。
lpMessageIMessage*inTNEFと変換対象のMAPIメッセージ(IMessage)へのポインタ。
wKeyValWORDin添付の関連付けに用いるキー値(任意の一意な値)。
lpAdressBookIAddrBook*inアドレス解決に使用するアドレス帳(IAddrBook)へのポインタ。NULL可。
lppTNEFITnef**out作成されたITnefオブジェクトを受け取る出力先ポインタ。

戻り値の型: HRESULT

各言語での呼び出し定義

// MAPI32.dll
#include <windows.h>

HRESULT OpenTnefStreamEx(
    void* lpvSupport,
    IStream* lpStream,
    CHAR* lpszStreamName,
    DWORD ulFlags,
    IMessage* lpMessage,
    WORD wKeyVal,
    IAddrBook* lpAdressBook,
    ITnef** lppTNEF
);
[DllImport("MAPI32.dll", ExactSpelling = true)]
static extern int OpenTnefStreamEx(
    IntPtr lpvSupport,   // void* in/out
    IntPtr lpStream,   // IStream*
    IntPtr lpszStreamName,   // CHAR*
    uint ulFlags,   // DWORD
    IntPtr lpMessage,   // IMessage*
    ushort wKeyVal,   // WORD
    IntPtr lpAdressBook,   // IAddrBook*
    IntPtr lppTNEF   // ITnef** out
);
<DllImport("MAPI32.dll", ExactSpelling:=True)>
Public Shared Function OpenTnefStreamEx(
    lpvSupport As IntPtr,   ' void* in/out
    lpStream As IntPtr,   ' IStream*
    lpszStreamName As IntPtr,   ' CHAR*
    ulFlags As UInteger,   ' DWORD
    lpMessage As IntPtr,   ' IMessage*
    wKeyVal As UShort,   ' WORD
    lpAdressBook As IntPtr,   ' IAddrBook*
    lppTNEF As IntPtr   ' ITnef** out
) As Integer
End Function
' lpvSupport : void* in/out
' lpStream : IStream*
' lpszStreamName : CHAR*
' ulFlags : DWORD
' lpMessage : IMessage*
' wKeyVal : WORD
' lpAdressBook : IAddrBook*
' lppTNEF : ITnef** out
Declare PtrSafe Function OpenTnefStreamEx Lib "mapi32" ( _
    ByVal lpvSupport As LongPtr, _
    ByVal lpStream As LongPtr, _
    ByVal lpszStreamName As LongPtr, _
    ByVal ulFlags As Long, _
    ByVal lpMessage As LongPtr, _
    ByVal wKeyVal As Integer, _
    ByVal lpAdressBook As LongPtr, _
    ByVal lppTNEF 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

OpenTnefStreamEx = ctypes.windll.mapi32.OpenTnefStreamEx
OpenTnefStreamEx.restype = ctypes.c_int
OpenTnefStreamEx.argtypes = [
    ctypes.POINTER(None),  # lpvSupport : void* in/out
    ctypes.c_void_p,  # lpStream : IStream*
    ctypes.POINTER(ctypes.c_byte),  # lpszStreamName : CHAR*
    wintypes.DWORD,  # ulFlags : DWORD
    ctypes.c_void_p,  # lpMessage : IMessage*
    ctypes.c_ushort,  # wKeyVal : WORD
    ctypes.c_void_p,  # lpAdressBook : IAddrBook*
    ctypes.c_void_p,  # lppTNEF : ITnef** out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MAPI32.dll')
OpenTnefStreamEx = Fiddle::Function.new(
  lib['OpenTnefStreamEx'],
  [
    Fiddle::TYPE_VOIDP,  # lpvSupport : void* in/out
    Fiddle::TYPE_VOIDP,  # lpStream : IStream*
    Fiddle::TYPE_VOIDP,  # lpszStreamName : CHAR*
    -Fiddle::TYPE_INT,  # ulFlags : DWORD
    Fiddle::TYPE_VOIDP,  # lpMessage : IMessage*
    -Fiddle::TYPE_SHORT,  # wKeyVal : WORD
    Fiddle::TYPE_VOIDP,  # lpAdressBook : IAddrBook*
    Fiddle::TYPE_VOIDP,  # lppTNEF : ITnef** out
  ],
  Fiddle::TYPE_INT)
#[link(name = "mapi32")]
extern "system" {
    fn OpenTnefStreamEx(
        lpvSupport: *mut (),  // void* in/out
        lpStream: *mut core::ffi::c_void,  // IStream*
        lpszStreamName: *mut i8,  // CHAR*
        ulFlags: u32,  // DWORD
        lpMessage: *mut core::ffi::c_void,  // IMessage*
        wKeyVal: u16,  // WORD
        lpAdressBook: *mut core::ffi::c_void,  // IAddrBook*
        lppTNEF: *mut *mut core::ffi::c_void  // ITnef** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("MAPI32.dll")]
public static extern int OpenTnefStreamEx(IntPtr lpvSupport, IntPtr lpStream, IntPtr lpszStreamName, uint ulFlags, IntPtr lpMessage, ushort wKeyVal, IntPtr lpAdressBook, IntPtr lppTNEF);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MAPI32_OpenTnefStreamEx' -Namespace Win32 -PassThru
# $api::OpenTnefStreamEx(lpvSupport, lpStream, lpszStreamName, ulFlags, lpMessage, wKeyVal, lpAdressBook, lppTNEF)
#uselib "MAPI32.dll"
#func global OpenTnefStreamEx "OpenTnefStreamEx" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; OpenTnefStreamEx lpvSupport, lpStream, varptr(lpszStreamName), ulFlags, lpMessage, wKeyVal, lpAdressBook, lppTNEF   ; 戻り値は stat
; lpvSupport : void* in/out -> "sptr"
; lpStream : IStream* -> "sptr"
; lpszStreamName : CHAR* -> "sptr"
; ulFlags : DWORD -> "sptr"
; lpMessage : IMessage* -> "sptr"
; wKeyVal : WORD -> "sptr"
; lpAdressBook : IAddrBook* -> "sptr"
; lppTNEF : ITnef** 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 "MAPI32.dll"
#cfunc global OpenTnefStreamEx "OpenTnefStreamEx" sptr, sptr, var, int, sptr, int, sptr, sptr
; res = OpenTnefStreamEx(lpvSupport, lpStream, lpszStreamName, ulFlags, lpMessage, wKeyVal, lpAdressBook, lppTNEF)
; lpvSupport : void* in/out -> "sptr"
; lpStream : IStream* -> "sptr"
; lpszStreamName : CHAR* -> "var"
; ulFlags : DWORD -> "int"
; lpMessage : IMessage* -> "sptr"
; wKeyVal : WORD -> "int"
; lpAdressBook : IAddrBook* -> "sptr"
; lppTNEF : ITnef** 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。
出力引数: 
; HRESULT OpenTnefStreamEx(void* lpvSupport, IStream* lpStream, CHAR* lpszStreamName, DWORD ulFlags, IMessage* lpMessage, WORD wKeyVal, IAddrBook* lpAdressBook, ITnef** lppTNEF)
#uselib "MAPI32.dll"
#cfunc global OpenTnefStreamEx "OpenTnefStreamEx" intptr, intptr, var, int, intptr, int, intptr, intptr
; res = OpenTnefStreamEx(lpvSupport, lpStream, lpszStreamName, ulFlags, lpMessage, wKeyVal, lpAdressBook, lppTNEF)
; lpvSupport : void* in/out -> "intptr"
; lpStream : IStream* -> "intptr"
; lpszStreamName : CHAR* -> "var"
; ulFlags : DWORD -> "int"
; lpMessage : IMessage* -> "intptr"
; wKeyVal : WORD -> "int"
; lpAdressBook : IAddrBook* -> "intptr"
; lppTNEF : ITnef** 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	mapi32 = windows.NewLazySystemDLL("MAPI32.dll")
	procOpenTnefStreamEx = mapi32.NewProc("OpenTnefStreamEx")
)

// lpvSupport (void* in/out), lpStream (IStream*), lpszStreamName (CHAR*), ulFlags (DWORD), lpMessage (IMessage*), wKeyVal (WORD), lpAdressBook (IAddrBook*), lppTNEF (ITnef** out)
r1, _, err := procOpenTnefStreamEx.Call(
	uintptr(lpvSupport),
	uintptr(lpStream),
	uintptr(lpszStreamName),
	uintptr(ulFlags),
	uintptr(lpMessage),
	uintptr(wKeyVal),
	uintptr(lpAdressBook),
	uintptr(lppTNEF),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function OpenTnefStreamEx(
  lpvSupport: Pointer;   // void* in/out
  lpStream: Pointer;   // IStream*
  lpszStreamName: Pointer;   // CHAR*
  ulFlags: DWORD;   // DWORD
  lpMessage: Pointer;   // IMessage*
  wKeyVal: Word;   // WORD
  lpAdressBook: Pointer;   // IAddrBook*
  lppTNEF: Pointer   // ITnef** out
): Integer; stdcall;
  external 'MAPI32.dll' name 'OpenTnefStreamEx';
result := DllCall("MAPI32\OpenTnefStreamEx"
    , "Ptr", lpvSupport   ; void* in/out
    , "Ptr", lpStream   ; IStream*
    , "Ptr", lpszStreamName   ; CHAR*
    , "UInt", ulFlags   ; DWORD
    , "Ptr", lpMessage   ; IMessage*
    , "UShort", wKeyVal   ; WORD
    , "Ptr", lpAdressBook   ; IAddrBook*
    , "Ptr", lppTNEF   ; ITnef** out
    , "Int")   ; return: HRESULT
●OpenTnefStreamEx(lpvSupport, lpStream, lpszStreamName, ulFlags, lpMessage, wKeyVal, lpAdressBook, lppTNEF) = DLL("MAPI32.dll", "int OpenTnefStreamEx(void*, void*, void*, dword, void*, int, void*, void*)")
# 呼び出し: OpenTnefStreamEx(lpvSupport, lpStream, lpszStreamName, ulFlags, lpMessage, wKeyVal, lpAdressBook, lppTNEF)
# lpvSupport : void* in/out -> "void*"
# lpStream : IStream* -> "void*"
# lpszStreamName : CHAR* -> "void*"
# ulFlags : DWORD -> "dword"
# lpMessage : IMessage* -> "void*"
# wKeyVal : WORD -> "int"
# lpAdressBook : IAddrBook* -> "void*"
# lppTNEF : ITnef** 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 "mapi32" fn OpenTnefStreamEx(
    lpvSupport: ?*anyopaque, // void* in/out
    lpStream: ?*anyopaque, // IStream*
    lpszStreamName: [*c]i8, // CHAR*
    ulFlags: u32, // DWORD
    lpMessage: ?*anyopaque, // IMessage*
    wKeyVal: u16, // WORD
    lpAdressBook: ?*anyopaque, // IAddrBook*
    lppTNEF: ?*anyopaque // ITnef** out
) callconv(std.os.windows.WINAPI) i32;
proc OpenTnefStreamEx(
    lpvSupport: pointer,  # void* in/out
    lpStream: pointer,  # IStream*
    lpszStreamName: ptr int8,  # CHAR*
    ulFlags: uint32,  # DWORD
    lpMessage: pointer,  # IMessage*
    wKeyVal: uint16,  # WORD
    lpAdressBook: pointer,  # IAddrBook*
    lppTNEF: pointer  # ITnef** out
): int32 {.importc: "OpenTnefStreamEx", stdcall, dynlib: "MAPI32.dll".}
pragma(lib, "mapi32");
extern(Windows)
int OpenTnefStreamEx(
    void* lpvSupport,   // void* in/out
    void* lpStream,   // IStream*
    byte* lpszStreamName,   // CHAR*
    uint ulFlags,   // DWORD
    void* lpMessage,   // IMessage*
    ushort wKeyVal,   // WORD
    void* lpAdressBook,   // IAddrBook*
    void* lppTNEF   // ITnef** out
);
ccall((:OpenTnefStreamEx, "MAPI32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Int8}, UInt32, Ptr{Cvoid}, UInt16, Ptr{Cvoid}, Ptr{Cvoid}),
      lpvSupport, lpStream, lpszStreamName, ulFlags, lpMessage, wKeyVal, lpAdressBook, lppTNEF)
# lpvSupport : void* in/out -> Ptr{Cvoid}
# lpStream : IStream* -> Ptr{Cvoid}
# lpszStreamName : CHAR* -> Ptr{Int8}
# ulFlags : DWORD -> UInt32
# lpMessage : IMessage* -> Ptr{Cvoid}
# wKeyVal : WORD -> UInt16
# lpAdressBook : IAddrBook* -> Ptr{Cvoid}
# lppTNEF : ITnef** 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 OpenTnefStreamEx(
    void* lpvSupport,
    void* lpStream,
    int8_t* lpszStreamName,
    uint32_t ulFlags,
    void* lpMessage,
    uint16_t wKeyVal,
    void* lpAdressBook,
    void* lppTNEF);
]]
local mapi32 = ffi.load("mapi32")
-- mapi32.OpenTnefStreamEx(lpvSupport, lpStream, lpszStreamName, ulFlags, lpMessage, wKeyVal, lpAdressBook, lppTNEF)
-- lpvSupport : void* in/out
-- lpStream : IStream*
-- lpszStreamName : CHAR*
-- ulFlags : DWORD
-- lpMessage : IMessage*
-- wKeyVal : WORD
-- lpAdressBook : IAddrBook*
-- lppTNEF : ITnef** 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('MAPI32.dll');
const OpenTnefStreamEx = lib.func('__stdcall', 'OpenTnefStreamEx', 'int32_t', ['void *', 'void *', 'int8_t *', 'uint32_t', 'void *', 'uint16_t', 'void *', 'void *']);
// OpenTnefStreamEx(lpvSupport, lpStream, lpszStreamName, ulFlags, lpMessage, wKeyVal, lpAdressBook, lppTNEF)
// lpvSupport : void* in/out -> 'void *'
// lpStream : IStream* -> 'void *'
// lpszStreamName : CHAR* -> 'int8_t *'
// ulFlags : DWORD -> 'uint32_t'
// lpMessage : IMessage* -> 'void *'
// wKeyVal : WORD -> 'uint16_t'
// lpAdressBook : IAddrBook* -> 'void *'
// lppTNEF : ITnef** 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("MAPI32.dll", {
  OpenTnefStreamEx: { parameters: ["pointer", "pointer", "pointer", "u32", "pointer", "u16", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.OpenTnefStreamEx(lpvSupport, lpStream, lpszStreamName, ulFlags, lpMessage, wKeyVal, lpAdressBook, lppTNEF)
// lpvSupport : void* in/out -> "pointer"
// lpStream : IStream* -> "pointer"
// lpszStreamName : CHAR* -> "pointer"
// ulFlags : DWORD -> "u32"
// lpMessage : IMessage* -> "pointer"
// wKeyVal : WORD -> "u16"
// lpAdressBook : IAddrBook* -> "pointer"
// lppTNEF : ITnef** 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 OpenTnefStreamEx(
    void* lpvSupport,
    void* lpStream,
    int8_t* lpszStreamName,
    uint32_t ulFlags,
    void* lpMessage,
    uint16_t wKeyVal,
    void* lpAdressBook,
    void* lppTNEF);
C, "MAPI32.dll");
// $ffi->OpenTnefStreamEx(lpvSupport, lpStream, lpszStreamName, ulFlags, lpMessage, wKeyVal, lpAdressBook, lppTNEF);
// lpvSupport : void* in/out
// lpStream : IStream*
// lpszStreamName : CHAR*
// ulFlags : DWORD
// lpMessage : IMessage*
// wKeyVal : WORD
// lpAdressBook : IAddrBook*
// lppTNEF : ITnef** 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 Mapi32 extends StdCallLibrary {
    Mapi32 INSTANCE = Native.load("mapi32", Mapi32.class);
    int OpenTnefStreamEx(
        Pointer lpvSupport,   // void* in/out
        Pointer lpStream,   // IStream*
        byte[] lpszStreamName,   // CHAR*
        int ulFlags,   // DWORD
        Pointer lpMessage,   // IMessage*
        short wKeyVal,   // WORD
        Pointer lpAdressBook,   // IAddrBook*
        Pointer lppTNEF   // ITnef** out
    );
}
@[Link("mapi32")]
lib LibMAPI32
  fun OpenTnefStreamEx = OpenTnefStreamEx(
    lpvSupport : Void*,   # void* in/out
    lpStream : Void*,   # IStream*
    lpszStreamName : Int8*,   # CHAR*
    ulFlags : UInt32,   # DWORD
    lpMessage : Void*,   # IMessage*
    wKeyVal : UInt16,   # WORD
    lpAdressBook : Void*,   # IAddrBook*
    lppTNEF : Void*   # ITnef** 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 OpenTnefStreamExNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Int8>, Uint32, Pointer<Void>, Uint16, Pointer<Void>, Pointer<Void>);
typedef OpenTnefStreamExDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Int8>, int, Pointer<Void>, int, Pointer<Void>, Pointer<Void>);
final OpenTnefStreamEx = DynamicLibrary.open('MAPI32.dll')
    .lookupFunction<OpenTnefStreamExNative, OpenTnefStreamExDart>('OpenTnefStreamEx');
// lpvSupport : void* in/out -> Pointer<Void>
// lpStream : IStream* -> Pointer<Void>
// lpszStreamName : CHAR* -> Pointer<Int8>
// ulFlags : DWORD -> Uint32
// lpMessage : IMessage* -> Pointer<Void>
// wKeyVal : WORD -> Uint16
// lpAdressBook : IAddrBook* -> Pointer<Void>
// lppTNEF : ITnef** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function OpenTnefStreamEx(
  lpvSupport: Pointer;   // void* in/out
  lpStream: Pointer;   // IStream*
  lpszStreamName: Pointer;   // CHAR*
  ulFlags: DWORD;   // DWORD
  lpMessage: Pointer;   // IMessage*
  wKeyVal: Word;   // WORD
  lpAdressBook: Pointer;   // IAddrBook*
  lppTNEF: Pointer   // ITnef** out
): Integer; stdcall;
  external 'MAPI32.dll' name 'OpenTnefStreamEx';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "OpenTnefStreamEx"
  c_OpenTnefStreamEx :: Ptr () -> Ptr () -> Ptr Int8 -> Word32 -> Ptr () -> Word16 -> Ptr () -> Ptr () -> IO Int32
-- lpvSupport : void* in/out -> Ptr ()
-- lpStream : IStream* -> Ptr ()
-- lpszStreamName : CHAR* -> Ptr Int8
-- ulFlags : DWORD -> Word32
-- lpMessage : IMessage* -> Ptr ()
-- wKeyVal : WORD -> Word16
-- lpAdressBook : IAddrBook* -> Ptr ()
-- lppTNEF : ITnef** 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 opentnefstreamex =
  foreign "OpenTnefStreamEx"
    ((ptr void) @-> (ptr void) @-> (ptr int8_t) @-> uint32_t @-> (ptr void) @-> uint16_t @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* lpvSupport : void* in/out -> (ptr void) *)
(* lpStream : IStream* -> (ptr void) *)
(* lpszStreamName : CHAR* -> (ptr int8_t) *)
(* ulFlags : DWORD -> uint32_t *)
(* lpMessage : IMessage* -> (ptr void) *)
(* wKeyVal : WORD -> uint16_t *)
(* lpAdressBook : IAddrBook* -> (ptr void) *)
(* lppTNEF : ITnef** 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 mapi32 (t "MAPI32.dll"))
(cffi:use-foreign-library mapi32)

(cffi:defcfun ("OpenTnefStreamEx" open-tnef-stream-ex :convention :stdcall) :int32
  (lpv-support :pointer)   ; void* in/out
  (lp-stream :pointer)   ; IStream*
  (lpsz-stream-name :pointer)   ; CHAR*
  (ul-flags :uint32)   ; DWORD
  (lp-message :pointer)   ; IMessage*
  (w-key-val :uint16)   ; WORD
  (lp-adress-book :pointer)   ; IAddrBook*
  (lpp-tnef :pointer))   ; ITnef** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $OpenTnefStreamEx = Win32::API::More->new('MAPI32',
    'int OpenTnefStreamEx(LPVOID lpvSupport, LPVOID lpStream, LPVOID lpszStreamName, DWORD ulFlags, LPVOID lpMessage, WORD wKeyVal, LPVOID lpAdressBook, LPVOID lppTNEF)');
# my $ret = $OpenTnefStreamEx->Call($lpvSupport, $lpStream, $lpszStreamName, $ulFlags, $lpMessage, $wKeyVal, $lpAdressBook, $lppTNEF);
# lpvSupport : void* in/out -> LPVOID
# lpStream : IStream* -> LPVOID
# lpszStreamName : CHAR* -> LPVOID
# ulFlags : DWORD -> DWORD
# lpMessage : IMessage* -> LPVOID
# wKeyVal : WORD -> WORD
# lpAdressBook : IAddrBook* -> LPVOID
# lppTNEF : ITnef** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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