StgConvertPropertyToVariant

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

BOOLEAN StgConvertPropertyToVariant(
    const SERIALIZEDPROPERTYVALUE* pprop,
    WORD CodePage,
    PROPVARIANT* pvar,
    IMemoryAllocator* pma
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function StgConvertPropertyToVariant(
    pprop As IntPtr,   ' SERIALIZEDPROPERTYVALUE*
    CodePage As UShort,   ' WORD
    pvar As IntPtr,   ' PROPVARIANT* out
    pma As IntPtr   ' IMemoryAllocator*
) As <MarshalAs(UnmanagedType.U1)> Boolean
End Function

' pprop : SERIALIZEDPROPERTYVALUE*
' CodePage : WORD
' pvar : PROPVARIANT* out
' pma : IMemoryAllocator*
Declare PtrSafe Function StgConvertPropertyToVariant Lib "ole32" ( _
    ByVal pprop As LongPtr, _
    ByVal CodePage As Integer, _
    ByVal pvar As LongPtr, _
    ByVal pma As LongPtr) As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

StgConvertPropertyToVariant = ctypes.windll.ole32.StgConvertPropertyToVariant
StgConvertPropertyToVariant.restype = wintypes.BOOLEAN
StgConvertPropertyToVariant.argtypes = [
    ctypes.c_void_p,  # pprop : SERIALIZEDPROPERTYVALUE*
    ctypes.c_ushort,  # CodePage : WORD
    ctypes.c_void_p,  # pvar : PROPVARIANT* out
    ctypes.c_void_p,  # pma : IMemoryAllocator*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
StgConvertPropertyToVariant = Fiddle::Function.new(
  lib['StgConvertPropertyToVariant'],
  [
    Fiddle::TYPE_VOIDP,  # pprop : SERIALIZEDPROPERTYVALUE*
    -Fiddle::TYPE_SHORT,  # CodePage : WORD
    Fiddle::TYPE_VOIDP,  # pvar : PROPVARIANT* out
    Fiddle::TYPE_VOIDP,  # pma : IMemoryAllocator*
  ],
  Fiddle::TYPE_CHAR)

#[link(name = "ole32")]
extern "system" {
    fn StgConvertPropertyToVariant(
        pprop: *const SERIALIZEDPROPERTYVALUE,  // SERIALIZEDPROPERTYVALUE*
        CodePage: u16,  // WORD
        pvar: *mut PROPVARIANT,  // PROPVARIANT* out
        pma: *mut core::ffi::c_void  // IMemoryAllocator*
    ) -> u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.U1)]
[DllImport("OLE32.dll")]
public static extern bool StgConvertPropertyToVariant(IntPtr pprop, ushort CodePage, IntPtr pvar, IntPtr pma);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_StgConvertPropertyToVariant' -Namespace Win32 -PassThru
# $api::StgConvertPropertyToVariant(pprop, CodePage, pvar, pma)

#uselib "OLE32.dll"
#func global StgConvertPropertyToVariant "StgConvertPropertyToVariant" sptr, sptr, sptr, sptr
; StgConvertPropertyToVariant varptr(pprop), CodePage, varptr(pvar), pma   ; 戻り値は stat
; pprop : SERIALIZEDPROPERTYVALUE* -> "sptr"
; CodePage : WORD -> "sptr"
; pvar : PROPVARIANT* out -> "sptr"
; pma : IMemoryAllocator* -> "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")
	procStgConvertPropertyToVariant = ole32.NewProc("StgConvertPropertyToVariant")
)

// pprop (SERIALIZEDPROPERTYVALUE*), CodePage (WORD), pvar (PROPVARIANT* out), pma (IMemoryAllocator*)
r1, _, err := procStgConvertPropertyToVariant.Call(
	uintptr(pprop),
	uintptr(CodePage),
	uintptr(pvar),
	uintptr(pma),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOLEAN

function StgConvertPropertyToVariant(
  pprop: Pointer;   // SERIALIZEDPROPERTYVALUE*
  CodePage: Word;   // WORD
  pvar: Pointer;   // PROPVARIANT* out
  pma: Pointer   // IMemoryAllocator*
): ByteBool; stdcall;
  external 'OLE32.dll' name 'StgConvertPropertyToVariant';

result := DllCall("OLE32\StgConvertPropertyToVariant"
    , "Ptr", pprop   ; SERIALIZEDPROPERTYVALUE*
    , "UShort", CodePage   ; WORD
    , "Ptr", pvar   ; PROPVARIANT* out
    , "Ptr", pma   ; IMemoryAllocator*
    , "Char")   ; return: BOOLEAN

●StgConvertPropertyToVariant(pprop, CodePage, pvar, pma) = DLL("OLE32.dll", "byte StgConvertPropertyToVariant(void*, int, void*, void*)")
# 呼び出し: StgConvertPropertyToVariant(pprop, CodePage, pvar, pma)
# pprop : SERIALIZEDPROPERTYVALUE* -> "void*"
# CodePage : WORD -> "int"
# pvar : PROPVARIANT* out -> "void*"
# pma : IMemoryAllocator* -> "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 StgConvertPropertyToVariant(
    pprop: [*c]SERIALIZEDPROPERTYVALUE, // SERIALIZEDPROPERTYVALUE*
    CodePage: u16, // WORD
    pvar: [*c]PROPVARIANT, // PROPVARIANT* out
    pma: ?*anyopaque // IMemoryAllocator*
) callconv(std.os.windows.WINAPI) u8;

proc StgConvertPropertyToVariant(
    pprop: ptr SERIALIZEDPROPERTYVALUE,  # SERIALIZEDPROPERTYVALUE*
    CodePage: uint16,  # WORD
    pvar: ptr PROPVARIANT,  # PROPVARIANT* out
    pma: pointer  # IMemoryAllocator*
): uint8 {.importc: "StgConvertPropertyToVariant", stdcall, dynlib: "OLE32.dll".}

pragma(lib, "ole32");
extern(Windows)
ubyte StgConvertPropertyToVariant(
    SERIALIZEDPROPERTYVALUE* pprop,   // SERIALIZEDPROPERTYVALUE*
    ushort CodePage,   // WORD
    PROPVARIANT* pvar,   // PROPVARIANT* out
    void* pma   // IMemoryAllocator*
);

ccall((:StgConvertPropertyToVariant, "OLE32.dll"), stdcall, UInt8,
      (Ptr{SERIALIZEDPROPERTYVALUE}, UInt16, Ptr{PROPVARIANT}, Ptr{Cvoid}),
      pprop, CodePage, pvar, pma)
# pprop : SERIALIZEDPROPERTYVALUE* -> Ptr{SERIALIZEDPROPERTYVALUE}
# CodePage : WORD -> UInt16
# pvar : PROPVARIANT* out -> Ptr{PROPVARIANT}
# pma : IMemoryAllocator* -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint8_t StgConvertPropertyToVariant(
    void* pprop,
    uint16_t CodePage,
    void* pvar,
    void* pma);
]]
local ole32 = ffi.load("ole32")
-- ole32.StgConvertPropertyToVariant(pprop, CodePage, pvar, pma)
-- pprop : SERIALIZEDPROPERTYVALUE*
-- CodePage : WORD
-- pvar : PROPVARIANT* out
-- pma : IMemoryAllocator*
-- 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 StgConvertPropertyToVariant = lib.func('__stdcall', 'StgConvertPropertyToVariant', 'uint8_t', ['void *', 'uint16_t', 'void *', 'void *']);
// StgConvertPropertyToVariant(pprop, CodePage, pvar, pma)
// pprop : SERIALIZEDPROPERTYVALUE* -> 'void *'
// CodePage : WORD -> 'uint16_t'
// pvar : PROPVARIANT* out -> 'void *'
// pma : IMemoryAllocator* -> '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", {
  StgConvertPropertyToVariant: { parameters: ["pointer", "u16", "pointer", "pointer"], result: "u8" },
});
// lib.symbols.StgConvertPropertyToVariant(pprop, CodePage, pvar, pma)
// pprop : SERIALIZEDPROPERTYVALUE* -> "pointer"
// CodePage : WORD -> "u16"
// pvar : PROPVARIANT* out -> "pointer"
// pma : IMemoryAllocator* -> "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
uint8_t StgConvertPropertyToVariant(
    void* pprop,
    uint16_t CodePage,
    void* pvar,
    void* pma);
C, "OLE32.dll");
// $ffi->StgConvertPropertyToVariant(pprop, CodePage, pvar, pma);
// pprop : SERIALIZEDPROPERTYVALUE*
// CodePage : WORD
// pvar : PROPVARIANT* out
// pma : IMemoryAllocator*
// 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);
    byte StgConvertPropertyToVariant(
        Pointer pprop,   // SERIALIZEDPROPERTYVALUE*
        short CodePage,   // WORD
        Pointer pvar,   // PROPVARIANT* out
        Pointer pma   // IMemoryAllocator*
    );
}

@[Link("ole32")]
lib LibOLE32
  fun StgConvertPropertyToVariant = StgConvertPropertyToVariant(
    pprop : SERIALIZEDPROPERTYVALUE*,   # SERIALIZEDPROPERTYVALUE*
    CodePage : UInt16,   # WORD
    pvar : PROPVARIANT*,   # PROPVARIANT* out
    pma : Void*   # IMemoryAllocator*
  ) : UInt8
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 StgConvertPropertyToVariantNative = Uint8 Function(Pointer<Void>, Uint16, Pointer<Void>, Pointer<Void>);
typedef StgConvertPropertyToVariantDart = int Function(Pointer<Void>, int, Pointer<Void>, Pointer<Void>);
final StgConvertPropertyToVariant = DynamicLibrary.open('OLE32.dll')
    .lookupFunction<StgConvertPropertyToVariantNative, StgConvertPropertyToVariantDart>('StgConvertPropertyToVariant');
// pprop : SERIALIZEDPROPERTYVALUE* -> Pointer<Void>
// CodePage : WORD -> Uint16
// pvar : PROPVARIANT* out -> Pointer<Void>
// pma : IMemoryAllocator* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function StgConvertPropertyToVariant(
  pprop: Pointer;   // SERIALIZEDPROPERTYVALUE*
  CodePage: Word;   // WORD
  pvar: Pointer;   // PROPVARIANT* out
  pma: Pointer   // IMemoryAllocator*
): ByteBool; stdcall;
  external 'OLE32.dll' name 'StgConvertPropertyToVariant';

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

foreign import stdcall safe "StgConvertPropertyToVariant"
  c_StgConvertPropertyToVariant :: Ptr () -> Word16 -> Ptr () -> Ptr () -> IO Word8
-- pprop : SERIALIZEDPROPERTYVALUE* -> Ptr ()
-- CodePage : WORD -> Word16
-- pvar : PROPVARIANT* out -> Ptr ()
-- pma : IMemoryAllocator* -> 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 stgconvertpropertytovariant =
  foreign "StgConvertPropertyToVariant"
    ((ptr void) @-> uint16_t @-> (ptr void) @-> (ptr void) @-> returning uint8_t)
(* pprop : SERIALIZEDPROPERTYVALUE* -> (ptr void) *)
(* CodePage : WORD -> uint16_t *)
(* pvar : PROPVARIANT* out -> (ptr void) *)
(* pma : IMemoryAllocator* -> (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 ("StgConvertPropertyToVariant" stg-convert-property-to-variant :convention :stdcall) :uint8
  (pprop :pointer)   ; SERIALIZEDPROPERTYVALUE*
  (code-page :uint16)   ; WORD
  (pvar :pointer)   ; PROPVARIANT* out
  (pma :pointer))   ; IMemoryAllocator*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $StgConvertPropertyToVariant = Win32::API::More->new('OLE32',
    'BYTE StgConvertPropertyToVariant(LPVOID pprop, WORD CodePage, LPVOID pvar, LPVOID pma)');
# my $ret = $StgConvertPropertyToVariant->Call($pprop, $CodePage, $pvar, $pma);
# pprop : SERIALIZEDPROPERTYVALUE* -> LPVOID
# CodePage : WORD -> WORD
# pvar : PROPVARIANT* out -> LPVOID
# pma : IMemoryAllocator* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。