OleConvertOLESTREAMToIStorageEx2

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

HRESULT OleConvertOLESTREAMToIStorageEx2(
    OLESTREAM* polestm,
    IStorage* pstg,
    WORD* pcfFormat,
    INT* plwWidth,
    INT* plHeight,
    DWORD* pdwSize,
    STGMEDIUM* pmedium,
    DWORD opt,   // optional
    void* pvCallbackContext,   // optional
    OLESTREAMQUERYCONVERTOLELINKCALLBACK pQueryConvertOLELinkCallback   // optional
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function OleConvertOLESTREAMToIStorageEx2(
    polestm As IntPtr,   ' OLESTREAM*
    pstg As IntPtr,   ' IStorage*
    <Out> ByRef pcfFormat As UShort,   ' WORD* out
    <Out> ByRef plwWidth As Integer,   ' INT* out
    <Out> ByRef plHeight As Integer,   ' INT* out
    <Out> ByRef pdwSize As UInteger,   ' DWORD* out
    pmedium As IntPtr,   ' STGMEDIUM* out
    opt As UInteger,   ' DWORD optional
    pvCallbackContext As IntPtr,   ' void* optional
    pQueryConvertOLELinkCallback As IntPtr   ' OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
) As Integer
End Function

' polestm : OLESTREAM*
' pstg : IStorage*
' pcfFormat : WORD* out
' plwWidth : INT* out
' plHeight : INT* out
' pdwSize : DWORD* out
' pmedium : STGMEDIUM* out
' opt : DWORD optional
' pvCallbackContext : void* optional
' pQueryConvertOLELinkCallback : OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
Declare PtrSafe Function OleConvertOLESTREAMToIStorageEx2 Lib "ole32" ( _
    ByVal polestm As LongPtr, _
    ByVal pstg As LongPtr, _
    ByRef pcfFormat As Integer, _
    ByRef plwWidth As Long, _
    ByRef plHeight As Long, _
    ByRef pdwSize As Long, _
    ByVal pmedium As LongPtr, _
    ByVal opt As Long, _
    ByVal pvCallbackContext As LongPtr, _
    ByVal pQueryConvertOLELinkCallback 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

OleConvertOLESTREAMToIStorageEx2 = ctypes.windll.ole32.OleConvertOLESTREAMToIStorageEx2
OleConvertOLESTREAMToIStorageEx2.restype = ctypes.c_int
OleConvertOLESTREAMToIStorageEx2.argtypes = [
    ctypes.c_void_p,  # polestm : OLESTREAM*
    ctypes.c_void_p,  # pstg : IStorage*
    ctypes.POINTER(ctypes.c_ushort),  # pcfFormat : WORD* out
    ctypes.POINTER(ctypes.c_int),  # plwWidth : INT* out
    ctypes.POINTER(ctypes.c_int),  # plHeight : INT* out
    ctypes.POINTER(wintypes.DWORD),  # pdwSize : DWORD* out
    ctypes.c_void_p,  # pmedium : STGMEDIUM* out
    wintypes.DWORD,  # opt : DWORD optional
    ctypes.POINTER(None),  # pvCallbackContext : void* optional
    ctypes.c_void_p,  # pQueryConvertOLELinkCallback : OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
OleConvertOLESTREAMToIStorageEx2 = Fiddle::Function.new(
  lib['OleConvertOLESTREAMToIStorageEx2'],
  [
    Fiddle::TYPE_VOIDP,  # polestm : OLESTREAM*
    Fiddle::TYPE_VOIDP,  # pstg : IStorage*
    Fiddle::TYPE_VOIDP,  # pcfFormat : WORD* out
    Fiddle::TYPE_VOIDP,  # plwWidth : INT* out
    Fiddle::TYPE_VOIDP,  # plHeight : INT* out
    Fiddle::TYPE_VOIDP,  # pdwSize : DWORD* out
    Fiddle::TYPE_VOIDP,  # pmedium : STGMEDIUM* out
    -Fiddle::TYPE_INT,  # opt : DWORD optional
    Fiddle::TYPE_VOIDP,  # pvCallbackContext : void* optional
    Fiddle::TYPE_VOIDP,  # pQueryConvertOLELinkCallback : OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn OleConvertOLESTREAMToIStorageEx2(
        polestm: *mut OLESTREAM,  // OLESTREAM*
        pstg: *mut core::ffi::c_void,  // IStorage*
        pcfFormat: *mut u16,  // WORD* out
        plwWidth: *mut i32,  // INT* out
        plHeight: *mut i32,  // INT* out
        pdwSize: *mut u32,  // DWORD* out
        pmedium: *mut STGMEDIUM,  // STGMEDIUM* out
        opt: u32,  // DWORD optional
        pvCallbackContext: *mut (),  // void* optional
        pQueryConvertOLELinkCallback: *const core::ffi::c_void  // OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int OleConvertOLESTREAMToIStorageEx2(IntPtr polestm, IntPtr pstg, out ushort pcfFormat, out int plwWidth, out int plHeight, out uint pdwSize, IntPtr pmedium, uint opt, IntPtr pvCallbackContext, IntPtr pQueryConvertOLELinkCallback);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_OleConvertOLESTREAMToIStorageEx2' -Namespace Win32 -PassThru
# $api::OleConvertOLESTREAMToIStorageEx2(polestm, pstg, pcfFormat, plwWidth, plHeight, pdwSize, pmedium, opt, pvCallbackContext, pQueryConvertOLELinkCallback)

#uselib "OLE32.dll"
#func global OleConvertOLESTREAMToIStorageEx2 "OleConvertOLESTREAMToIStorageEx2" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; OleConvertOLESTREAMToIStorageEx2 varptr(polestm), pstg, varptr(pcfFormat), varptr(plwWidth), varptr(plHeight), varptr(pdwSize), varptr(pmedium), opt, pvCallbackContext, pQueryConvertOLELinkCallback   ; 戻り値は stat
; polestm : OLESTREAM* -> "sptr"
; pstg : IStorage* -> "sptr"
; pcfFormat : WORD* out -> "sptr"
; plwWidth : INT* out -> "sptr"
; plHeight : INT* out -> "sptr"
; pdwSize : DWORD* out -> "sptr"
; pmedium : STGMEDIUM* out -> "sptr"
; opt : DWORD optional -> "sptr"
; pvCallbackContext : void* optional -> "sptr"
; pQueryConvertOLELinkCallback : OLESTREAMQUERYCONVERTOLELINKCALLBACK optional -> "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。

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procOleConvertOLESTREAMToIStorageEx2 = ole32.NewProc("OleConvertOLESTREAMToIStorageEx2")
)

// polestm (OLESTREAM*), pstg (IStorage*), pcfFormat (WORD* out), plwWidth (INT* out), plHeight (INT* out), pdwSize (DWORD* out), pmedium (STGMEDIUM* out), opt (DWORD optional), pvCallbackContext (void* optional), pQueryConvertOLELinkCallback (OLESTREAMQUERYCONVERTOLELINKCALLBACK optional)
r1, _, err := procOleConvertOLESTREAMToIStorageEx2.Call(
	uintptr(polestm),
	uintptr(pstg),
	uintptr(pcfFormat),
	uintptr(plwWidth),
	uintptr(plHeight),
	uintptr(pdwSize),
	uintptr(pmedium),
	uintptr(opt),
	uintptr(pvCallbackContext),
	uintptr(pQueryConvertOLELinkCallback),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function OleConvertOLESTREAMToIStorageEx2(
  polestm: Pointer;   // OLESTREAM*
  pstg: Pointer;   // IStorage*
  pcfFormat: Pointer;   // WORD* out
  plwWidth: Pointer;   // INT* out
  plHeight: Pointer;   // INT* out
  pdwSize: Pointer;   // DWORD* out
  pmedium: Pointer;   // STGMEDIUM* out
  opt: DWORD;   // DWORD optional
  pvCallbackContext: Pointer;   // void* optional
  pQueryConvertOLELinkCallback: Pointer   // OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
): Integer; stdcall;
  external 'OLE32.dll' name 'OleConvertOLESTREAMToIStorageEx2';

result := DllCall("OLE32\OleConvertOLESTREAMToIStorageEx2"
    , "Ptr", polestm   ; OLESTREAM*
    , "Ptr", pstg   ; IStorage*
    , "Ptr", pcfFormat   ; WORD* out
    , "Ptr", plwWidth   ; INT* out
    , "Ptr", plHeight   ; INT* out
    , "Ptr", pdwSize   ; DWORD* out
    , "Ptr", pmedium   ; STGMEDIUM* out
    , "UInt", opt   ; DWORD optional
    , "Ptr", pvCallbackContext   ; void* optional
    , "Ptr", pQueryConvertOLELinkCallback   ; OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
    , "Int")   ; return: HRESULT

●OleConvertOLESTREAMToIStorageEx2(polestm, pstg, pcfFormat, plwWidth, plHeight, pdwSize, pmedium, opt, pvCallbackContext, pQueryConvertOLELinkCallback) = DLL("OLE32.dll", "int OleConvertOLESTREAMToIStorageEx2(void*, void*, void*, void*, void*, void*, void*, dword, void*, void*)")
# 呼び出し: OleConvertOLESTREAMToIStorageEx2(polestm, pstg, pcfFormat, plwWidth, plHeight, pdwSize, pmedium, opt, pvCallbackContext, pQueryConvertOLELinkCallback)
# polestm : OLESTREAM* -> "void*"
# pstg : IStorage* -> "void*"
# pcfFormat : WORD* out -> "void*"
# plwWidth : INT* out -> "void*"
# plHeight : INT* out -> "void*"
# pdwSize : DWORD* out -> "void*"
# pmedium : STGMEDIUM* out -> "void*"
# opt : DWORD optional -> "dword"
# pvCallbackContext : void* optional -> "void*"
# pQueryConvertOLELinkCallback : OLESTREAMQUERYCONVERTOLELINKCALLBACK optional -> "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 OleConvertOLESTREAMToIStorageEx2(
    polestm: [*c]OLESTREAM, // OLESTREAM*
    pstg: ?*anyopaque, // IStorage*
    pcfFormat: [*c]u16, // WORD* out
    plwWidth: [*c]i32, // INT* out
    plHeight: [*c]i32, // INT* out
    pdwSize: [*c]u32, // DWORD* out
    pmedium: [*c]STGMEDIUM, // STGMEDIUM* out
    opt: u32, // DWORD optional
    pvCallbackContext: ?*anyopaque, // void* optional
    pQueryConvertOLELinkCallback: ?*anyopaque // OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
) callconv(std.os.windows.WINAPI) i32;

proc OleConvertOLESTREAMToIStorageEx2(
    polestm: ptr OLESTREAM,  # OLESTREAM*
    pstg: pointer,  # IStorage*
    pcfFormat: ptr uint16,  # WORD* out
    plwWidth: ptr int32,  # INT* out
    plHeight: ptr int32,  # INT* out
    pdwSize: ptr uint32,  # DWORD* out
    pmedium: ptr STGMEDIUM,  # STGMEDIUM* out
    opt: uint32,  # DWORD optional
    pvCallbackContext: pointer,  # void* optional
    pQueryConvertOLELinkCallback: pointer  # OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
): int32 {.importc: "OleConvertOLESTREAMToIStorageEx2", stdcall, dynlib: "OLE32.dll".}

pragma(lib, "ole32");
extern(Windows)
int OleConvertOLESTREAMToIStorageEx2(
    OLESTREAM* polestm,   // OLESTREAM*
    void* pstg,   // IStorage*
    ushort* pcfFormat,   // WORD* out
    int* plwWidth,   // INT* out
    int* plHeight,   // INT* out
    uint* pdwSize,   // DWORD* out
    STGMEDIUM* pmedium,   // STGMEDIUM* out
    uint opt,   // DWORD optional
    void* pvCallbackContext,   // void* optional
    void* pQueryConvertOLELinkCallback   // OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
);

ccall((:OleConvertOLESTREAMToIStorageEx2, "OLE32.dll"), stdcall, Int32,
      (Ptr{OLESTREAM}, Ptr{Cvoid}, Ptr{UInt16}, Ptr{Int32}, Ptr{Int32}, Ptr{UInt32}, Ptr{STGMEDIUM}, UInt32, Ptr{Cvoid}, Ptr{Cvoid}),
      polestm, pstg, pcfFormat, plwWidth, plHeight, pdwSize, pmedium, opt, pvCallbackContext, pQueryConvertOLELinkCallback)
# polestm : OLESTREAM* -> Ptr{OLESTREAM}
# pstg : IStorage* -> Ptr{Cvoid}
# pcfFormat : WORD* out -> Ptr{UInt16}
# plwWidth : INT* out -> Ptr{Int32}
# plHeight : INT* out -> Ptr{Int32}
# pdwSize : DWORD* out -> Ptr{UInt32}
# pmedium : STGMEDIUM* out -> Ptr{STGMEDIUM}
# opt : DWORD optional -> UInt32
# pvCallbackContext : void* optional -> Ptr{Cvoid}
# pQueryConvertOLELinkCallback : OLESTREAMQUERYCONVERTOLELINKCALLBACK optional -> 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 OleConvertOLESTREAMToIStorageEx2(
    void* polestm,
    void* pstg,
    uint16_t* pcfFormat,
    int32_t* plwWidth,
    int32_t* plHeight,
    uint32_t* pdwSize,
    void* pmedium,
    uint32_t opt,
    void* pvCallbackContext,
    void* pQueryConvertOLELinkCallback);
]]
local ole32 = ffi.load("ole32")
-- ole32.OleConvertOLESTREAMToIStorageEx2(polestm, pstg, pcfFormat, plwWidth, plHeight, pdwSize, pmedium, opt, pvCallbackContext, pQueryConvertOLELinkCallback)
-- polestm : OLESTREAM*
-- pstg : IStorage*
-- pcfFormat : WORD* out
-- plwWidth : INT* out
-- plHeight : INT* out
-- pdwSize : DWORD* out
-- pmedium : STGMEDIUM* out
-- opt : DWORD optional
-- pvCallbackContext : void* optional
-- pQueryConvertOLELinkCallback : OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
-- 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 OleConvertOLESTREAMToIStorageEx2 = lib.func('__stdcall', 'OleConvertOLESTREAMToIStorageEx2', 'int32_t', ['void *', 'void *', 'uint16_t *', 'int32_t *', 'int32_t *', 'uint32_t *', 'void *', 'uint32_t', 'void *', 'void *']);
// OleConvertOLESTREAMToIStorageEx2(polestm, pstg, pcfFormat, plwWidth, plHeight, pdwSize, pmedium, opt, pvCallbackContext, pQueryConvertOLELinkCallback)
// polestm : OLESTREAM* -> 'void *'
// pstg : IStorage* -> 'void *'
// pcfFormat : WORD* out -> 'uint16_t *'
// plwWidth : INT* out -> 'int32_t *'
// plHeight : INT* out -> 'int32_t *'
// pdwSize : DWORD* out -> 'uint32_t *'
// pmedium : STGMEDIUM* out -> 'void *'
// opt : DWORD optional -> 'uint32_t'
// pvCallbackContext : void* optional -> 'void *'
// pQueryConvertOLELinkCallback : OLESTREAMQUERYCONVERTOLELINKCALLBACK optional -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。

const lib = Deno.dlopen("OLE32.dll", {
  OleConvertOLESTREAMToIStorageEx2: { parameters: ["pointer", "pointer", "pointer", "pointer", "pointer", "pointer", "pointer", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.OleConvertOLESTREAMToIStorageEx2(polestm, pstg, pcfFormat, plwWidth, plHeight, pdwSize, pmedium, opt, pvCallbackContext, pQueryConvertOLELinkCallback)
// polestm : OLESTREAM* -> "pointer"
// pstg : IStorage* -> "pointer"
// pcfFormat : WORD* out -> "pointer"
// plwWidth : INT* out -> "pointer"
// plHeight : INT* out -> "pointer"
// pdwSize : DWORD* out -> "pointer"
// pmedium : STGMEDIUM* out -> "pointer"
// opt : DWORD optional -> "u32"
// pvCallbackContext : void* optional -> "pointer"
// pQueryConvertOLELinkCallback : OLESTREAMQUERYCONVERTOLELINKCALLBACK optional -> "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 OleConvertOLESTREAMToIStorageEx2(
    void* polestm,
    void* pstg,
    uint16_t* pcfFormat,
    int32_t* plwWidth,
    int32_t* plHeight,
    uint32_t* pdwSize,
    void* pmedium,
    uint32_t opt,
    void* pvCallbackContext,
    void* pQueryConvertOLELinkCallback);
C, "OLE32.dll");
// $ffi->OleConvertOLESTREAMToIStorageEx2(polestm, pstg, pcfFormat, plwWidth, plHeight, pdwSize, pmedium, opt, pvCallbackContext, pQueryConvertOLELinkCallback);
// polestm : OLESTREAM*
// pstg : IStorage*
// pcfFormat : WORD* out
// plwWidth : INT* out
// plHeight : INT* out
// pdwSize : DWORD* out
// pmedium : STGMEDIUM* out
// opt : DWORD optional
// pvCallbackContext : void* optional
// pQueryConvertOLELinkCallback : OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
// 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 OleConvertOLESTREAMToIStorageEx2(
        Pointer polestm,   // OLESTREAM*
        Pointer pstg,   // IStorage*
        ShortByReference pcfFormat,   // WORD* out
        IntByReference plwWidth,   // INT* out
        IntByReference plHeight,   // INT* out
        IntByReference pdwSize,   // DWORD* out
        Pointer pmedium,   // STGMEDIUM* out
        int opt,   // DWORD optional
        Pointer pvCallbackContext,   // void* optional
        Callback pQueryConvertOLELinkCallback   // OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
    );
}

@[Link("ole32")]
lib LibOLE32
  fun OleConvertOLESTREAMToIStorageEx2 = OleConvertOLESTREAMToIStorageEx2(
    polestm : OLESTREAM*,   # OLESTREAM*
    pstg : Void*,   # IStorage*
    pcfFormat : UInt16*,   # WORD* out
    plwWidth : Int32*,   # INT* out
    plHeight : Int32*,   # INT* out
    pdwSize : UInt32*,   # DWORD* out
    pmedium : STGMEDIUM*,   # STGMEDIUM* out
    opt : UInt32,   # DWORD optional
    pvCallbackContext : Void*,   # void* optional
    pQueryConvertOLELinkCallback : Void*   # OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
  ) : 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 OleConvertOLESTREAMToIStorageEx2Native = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Uint16>, Pointer<Int32>, Pointer<Int32>, Pointer<Uint32>, Pointer<Void>, Uint32, Pointer<Void>, Pointer<Void>);
typedef OleConvertOLESTREAMToIStorageEx2Dart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Uint16>, Pointer<Int32>, Pointer<Int32>, Pointer<Uint32>, Pointer<Void>, int, Pointer<Void>, Pointer<Void>);
final OleConvertOLESTREAMToIStorageEx2 = DynamicLibrary.open('OLE32.dll')
    .lookupFunction<OleConvertOLESTREAMToIStorageEx2Native, OleConvertOLESTREAMToIStorageEx2Dart>('OleConvertOLESTREAMToIStorageEx2');
// polestm : OLESTREAM* -> Pointer<Void>
// pstg : IStorage* -> Pointer<Void>
// pcfFormat : WORD* out -> Pointer<Uint16>
// plwWidth : INT* out -> Pointer<Int32>
// plHeight : INT* out -> Pointer<Int32>
// pdwSize : DWORD* out -> Pointer<Uint32>
// pmedium : STGMEDIUM* out -> Pointer<Void>
// opt : DWORD optional -> Uint32
// pvCallbackContext : void* optional -> Pointer<Void>
// pQueryConvertOLELinkCallback : OLESTREAMQUERYCONVERTOLELINKCALLBACK optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function OleConvertOLESTREAMToIStorageEx2(
  polestm: Pointer;   // OLESTREAM*
  pstg: Pointer;   // IStorage*
  pcfFormat: Pointer;   // WORD* out
  plwWidth: Pointer;   // INT* out
  plHeight: Pointer;   // INT* out
  pdwSize: Pointer;   // DWORD* out
  pmedium: Pointer;   // STGMEDIUM* out
  opt: DWORD;   // DWORD optional
  pvCallbackContext: Pointer;   // void* optional
  pQueryConvertOLELinkCallback: Pointer   // OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
): Integer; stdcall;
  external 'OLE32.dll' name 'OleConvertOLESTREAMToIStorageEx2';

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

foreign import stdcall safe "OleConvertOLESTREAMToIStorageEx2"
  c_OleConvertOLESTREAMToIStorageEx2 :: Ptr () -> Ptr () -> Ptr Word16 -> Ptr Int32 -> Ptr Int32 -> Ptr Word32 -> Ptr () -> Word32 -> Ptr () -> Ptr () -> IO Int32
-- polestm : OLESTREAM* -> Ptr ()
-- pstg : IStorage* -> Ptr ()
-- pcfFormat : WORD* out -> Ptr Word16
-- plwWidth : INT* out -> Ptr Int32
-- plHeight : INT* out -> Ptr Int32
-- pdwSize : DWORD* out -> Ptr Word32
-- pmedium : STGMEDIUM* out -> Ptr ()
-- opt : DWORD optional -> Word32
-- pvCallbackContext : void* optional -> Ptr ()
-- pQueryConvertOLELinkCallback : OLESTREAMQUERYCONVERTOLELINKCALLBACK optional -> 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 oleconvertolestreamtoistorageex2 =
  foreign "OleConvertOLESTREAMToIStorageEx2"
    ((ptr void) @-> (ptr void) @-> (ptr uint16_t) @-> (ptr int32_t) @-> (ptr int32_t) @-> (ptr uint32_t) @-> (ptr void) @-> uint32_t @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* polestm : OLESTREAM* -> (ptr void) *)
(* pstg : IStorage* -> (ptr void) *)
(* pcfFormat : WORD* out -> (ptr uint16_t) *)
(* plwWidth : INT* out -> (ptr int32_t) *)
(* plHeight : INT* out -> (ptr int32_t) *)
(* pdwSize : DWORD* out -> (ptr uint32_t) *)
(* pmedium : STGMEDIUM* out -> (ptr void) *)
(* opt : DWORD optional -> uint32_t *)
(* pvCallbackContext : void* optional -> (ptr void) *)
(* pQueryConvertOLELinkCallback : OLESTREAMQUERYCONVERTOLELINKCALLBACK optional -> (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 ("OleConvertOLESTREAMToIStorageEx2" ole-convert-olestreamto-istorage-ex2 :convention :stdcall) :int32
  (polestm :pointer)   ; OLESTREAM*
  (pstg :pointer)   ; IStorage*
  (pcf-format :pointer)   ; WORD* out
  (plw-width :pointer)   ; INT* out
  (pl-height :pointer)   ; INT* out
  (pdw-size :pointer)   ; DWORD* out
  (pmedium :pointer)   ; STGMEDIUM* out
  (opt :uint32)   ; DWORD optional
  (pv-callback-context :pointer)   ; void* optional
  (p-query-convert-olelink-callback :pointer))   ; OLESTREAMQUERYCONVERTOLELINKCALLBACK optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $OleConvertOLESTREAMToIStorageEx2 = Win32::API::More->new('OLE32',
    'int OleConvertOLESTREAMToIStorageEx2(LPVOID polestm, LPVOID pstg, LPVOID pcfFormat, LPVOID plwWidth, LPVOID plHeight, LPVOID pdwSize, LPVOID pmedium, DWORD opt, LPVOID pvCallbackContext, LPVOID pQueryConvertOLELinkCallback)');
# my $ret = $OleConvertOLESTREAMToIStorageEx2->Call($polestm, $pstg, $pcfFormat, $plwWidth, $plHeight, $pdwSize, $pmedium, $opt, $pvCallbackContext, $pQueryConvertOLELinkCallback);
# polestm : OLESTREAM* -> LPVOID
# pstg : IStorage* -> LPVOID
# pcfFormat : WORD* out -> LPVOID
# plwWidth : INT* out -> LPVOID
# plHeight : INT* out -> LPVOID
# pdwSize : DWORD* out -> LPVOID
# pmedium : STGMEDIUM* out -> LPVOID
# opt : DWORD optional -> DWORD
# pvCallbackContext : void* optional -> LPVOID
# pQueryConvertOLELinkCallback : OLESTREAMQUERYCONVERTOLELINKCALLBACK optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。