PropVariantChangeType

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

HRESULT PropVariantChangeType(
    PROPVARIANT* ppropvarDest,
    const PROPVARIANT* propvarSrc,
    PROPVAR_CHANGE_FLAGS flags,
    VARENUM vt
);

<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function PropVariantChangeType(
    ppropvarDest As IntPtr,   ' PROPVARIANT* out
    propvarSrc As IntPtr,   ' PROPVARIANT*
    flags As Integer,   ' PROPVAR_CHANGE_FLAGS
    vt As UShort   ' VARENUM
) As Integer
End Function

' ppropvarDest : PROPVARIANT* out
' propvarSrc : PROPVARIANT*
' flags : PROPVAR_CHANGE_FLAGS
' vt : VARENUM
Declare PtrSafe Function PropVariantChangeType Lib "propsys" ( _
    ByVal ppropvarDest As LongPtr, _
    ByVal propvarSrc As LongPtr, _
    ByVal flags As Long, _
    ByVal vt As Integer) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PropVariantChangeType = ctypes.windll.propsys.PropVariantChangeType
PropVariantChangeType.restype = ctypes.c_int
PropVariantChangeType.argtypes = [
    ctypes.c_void_p,  # ppropvarDest : PROPVARIANT* out
    ctypes.c_void_p,  # propvarSrc : PROPVARIANT*
    ctypes.c_int,  # flags : PROPVAR_CHANGE_FLAGS
    ctypes.c_ushort,  # vt : VARENUM
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PROPSYS.dll')
PropVariantChangeType = Fiddle::Function.new(
  lib['PropVariantChangeType'],
  [
    Fiddle::TYPE_VOIDP,  # ppropvarDest : PROPVARIANT* out
    Fiddle::TYPE_VOIDP,  # propvarSrc : PROPVARIANT*
    Fiddle::TYPE_INT,  # flags : PROPVAR_CHANGE_FLAGS
    -Fiddle::TYPE_SHORT,  # vt : VARENUM
  ],
  Fiddle::TYPE_INT)

#[link(name = "propsys")]
extern "system" {
    fn PropVariantChangeType(
        ppropvarDest: *mut PROPVARIANT,  // PROPVARIANT* out
        propvarSrc: *const PROPVARIANT,  // PROPVARIANT*
        flags: i32,  // PROPVAR_CHANGE_FLAGS
        vt: u16  // VARENUM
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PROPSYS.dll")]
public static extern int PropVariantChangeType(IntPtr ppropvarDest, IntPtr propvarSrc, int flags, ushort vt);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_PropVariantChangeType' -Namespace Win32 -PassThru
# $api::PropVariantChangeType(ppropvarDest, propvarSrc, flags, vt)

#uselib "PROPSYS.dll"
#func global PropVariantChangeType "PropVariantChangeType" sptr, sptr, sptr, sptr
; PropVariantChangeType varptr(ppropvarDest), varptr(propvarSrc), flags, vt   ; 戻り値は stat
; ppropvarDest : PROPVARIANT* out -> "sptr"
; propvarSrc : PROPVARIANT* -> "sptr"
; flags : PROPVAR_CHANGE_FLAGS -> "sptr"
; vt : VARENUM -> "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 (
	propsys = windows.NewLazySystemDLL("PROPSYS.dll")
	procPropVariantChangeType = propsys.NewProc("PropVariantChangeType")
)

// ppropvarDest (PROPVARIANT* out), propvarSrc (PROPVARIANT*), flags (PROPVAR_CHANGE_FLAGS), vt (VARENUM)
r1, _, err := procPropVariantChangeType.Call(
	uintptr(ppropvarDest),
	uintptr(propvarSrc),
	uintptr(flags),
	uintptr(vt),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PropVariantChangeType(
  ppropvarDest: Pointer;   // PROPVARIANT* out
  propvarSrc: Pointer;   // PROPVARIANT*
  flags: Integer;   // PROPVAR_CHANGE_FLAGS
  vt: Word   // VARENUM
): Integer; stdcall;
  external 'PROPSYS.dll' name 'PropVariantChangeType';

result := DllCall("PROPSYS\PropVariantChangeType"
    , "Ptr", ppropvarDest   ; PROPVARIANT* out
    , "Ptr", propvarSrc   ; PROPVARIANT*
    , "Int", flags   ; PROPVAR_CHANGE_FLAGS
    , "UShort", vt   ; VARENUM
    , "Int")   ; return: HRESULT

●PropVariantChangeType(ppropvarDest, propvarSrc, flags, vt) = DLL("PROPSYS.dll", "int PropVariantChangeType(void*, void*, int, int)")
# 呼び出し: PropVariantChangeType(ppropvarDest, propvarSrc, flags, vt)
# ppropvarDest : PROPVARIANT* out -> "void*"
# propvarSrc : PROPVARIANT* -> "void*"
# flags : PROPVAR_CHANGE_FLAGS -> "int"
# vt : VARENUM -> "int"
# 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 "propsys" fn PropVariantChangeType(
    ppropvarDest: [*c]PROPVARIANT, // PROPVARIANT* out
    propvarSrc: [*c]PROPVARIANT, // PROPVARIANT*
    flags: i32, // PROPVAR_CHANGE_FLAGS
    vt: u16 // VARENUM
) callconv(std.os.windows.WINAPI) i32;

proc PropVariantChangeType(
    ppropvarDest: ptr PROPVARIANT,  # PROPVARIANT* out
    propvarSrc: ptr PROPVARIANT,  # PROPVARIANT*
    flags: int32,  # PROPVAR_CHANGE_FLAGS
    vt: uint16  # VARENUM
): int32 {.importc: "PropVariantChangeType", stdcall, dynlib: "PROPSYS.dll".}

pragma(lib, "propsys");
extern(Windows)
int PropVariantChangeType(
    PROPVARIANT* ppropvarDest,   // PROPVARIANT* out
    PROPVARIANT* propvarSrc,   // PROPVARIANT*
    int flags,   // PROPVAR_CHANGE_FLAGS
    ushort vt   // VARENUM
);

ccall((:PropVariantChangeType, "PROPSYS.dll"), stdcall, Int32,
      (Ptr{PROPVARIANT}, Ptr{PROPVARIANT}, Int32, UInt16),
      ppropvarDest, propvarSrc, flags, vt)
# ppropvarDest : PROPVARIANT* out -> Ptr{PROPVARIANT}
# propvarSrc : PROPVARIANT* -> Ptr{PROPVARIANT}
# flags : PROPVAR_CHANGE_FLAGS -> Int32
# vt : VARENUM -> UInt16
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t PropVariantChangeType(
    void* ppropvarDest,
    void* propvarSrc,
    int32_t flags,
    uint16_t vt);
]]
local propsys = ffi.load("propsys")
-- propsys.PropVariantChangeType(ppropvarDest, propvarSrc, flags, vt)
-- ppropvarDest : PROPVARIANT* out
-- propvarSrc : PROPVARIANT*
-- flags : PROPVAR_CHANGE_FLAGS
-- vt : VARENUM
-- 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('PROPSYS.dll');
const PropVariantChangeType = lib.func('__stdcall', 'PropVariantChangeType', 'int32_t', ['void *', 'void *', 'int32_t', 'uint16_t']);
// PropVariantChangeType(ppropvarDest, propvarSrc, flags, vt)
// ppropvarDest : PROPVARIANT* out -> 'void *'
// propvarSrc : PROPVARIANT* -> 'void *'
// flags : PROPVAR_CHANGE_FLAGS -> 'int32_t'
// vt : VARENUM -> 'uint16_t'
// 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("PROPSYS.dll", {
  PropVariantChangeType: { parameters: ["pointer", "pointer", "i32", "u16"], result: "i32" },
});
// lib.symbols.PropVariantChangeType(ppropvarDest, propvarSrc, flags, vt)
// ppropvarDest : PROPVARIANT* out -> "pointer"
// propvarSrc : PROPVARIANT* -> "pointer"
// flags : PROPVAR_CHANGE_FLAGS -> "i32"
// vt : VARENUM -> "u16"
// 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 PropVariantChangeType(
    void* ppropvarDest,
    void* propvarSrc,
    int32_t flags,
    uint16_t vt);
C, "PROPSYS.dll");
// $ffi->PropVariantChangeType(ppropvarDest, propvarSrc, flags, vt);
// ppropvarDest : PROPVARIANT* out
// propvarSrc : PROPVARIANT*
// flags : PROPVAR_CHANGE_FLAGS
// vt : VARENUM
// 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 Propsys extends StdCallLibrary {
    Propsys INSTANCE = Native.load("propsys", Propsys.class);
    int PropVariantChangeType(
        Pointer ppropvarDest,   // PROPVARIANT* out
        Pointer propvarSrc,   // PROPVARIANT*
        int flags,   // PROPVAR_CHANGE_FLAGS
        short vt   // VARENUM
    );
}

@[Link("propsys")]
lib LibPROPSYS
  fun PropVariantChangeType = PropVariantChangeType(
    ppropvarDest : PROPVARIANT*,   # PROPVARIANT* out
    propvarSrc : PROPVARIANT*,   # PROPVARIANT*
    flags : Int32,   # PROPVAR_CHANGE_FLAGS
    vt : UInt16   # VARENUM
  ) : 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 PropVariantChangeTypeNative = Int32 Function(Pointer<Void>, Pointer<Void>, Int32, Uint16);
typedef PropVariantChangeTypeDart = int Function(Pointer<Void>, Pointer<Void>, int, int);
final PropVariantChangeType = DynamicLibrary.open('PROPSYS.dll')
    .lookupFunction<PropVariantChangeTypeNative, PropVariantChangeTypeDart>('PropVariantChangeType');
// ppropvarDest : PROPVARIANT* out -> Pointer<Void>
// propvarSrc : PROPVARIANT* -> Pointer<Void>
// flags : PROPVAR_CHANGE_FLAGS -> Int32
// vt : VARENUM -> Uint16
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PropVariantChangeType(
  ppropvarDest: Pointer;   // PROPVARIANT* out
  propvarSrc: Pointer;   // PROPVARIANT*
  flags: Integer;   // PROPVAR_CHANGE_FLAGS
  vt: Word   // VARENUM
): Integer; stdcall;
  external 'PROPSYS.dll' name 'PropVariantChangeType';

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

foreign import stdcall safe "PropVariantChangeType"
  c_PropVariantChangeType :: Ptr () -> Ptr () -> Int32 -> Word16 -> IO Int32
-- ppropvarDest : PROPVARIANT* out -> Ptr ()
-- propvarSrc : PROPVARIANT* -> Ptr ()
-- flags : PROPVAR_CHANGE_FLAGS -> Int32
-- vt : VARENUM -> Word16
-- 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 propvariantchangetype =
  foreign "PropVariantChangeType"
    ((ptr void) @-> (ptr void) @-> int32_t @-> uint16_t @-> returning int32_t)
(* ppropvarDest : PROPVARIANT* out -> (ptr void) *)
(* propvarSrc : PROPVARIANT* -> (ptr void) *)
(* flags : PROPVAR_CHANGE_FLAGS -> int32_t *)
(* vt : VARENUM -> uint16_t *)
(* 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 propsys (t "PROPSYS.dll"))
(cffi:use-foreign-library propsys)

(cffi:defcfun ("PropVariantChangeType" prop-variant-change-type :convention :stdcall) :int32
  (ppropvar-dest :pointer)   ; PROPVARIANT* out
  (propvar-src :pointer)   ; PROPVARIANT*
  (flags :int32)   ; PROPVAR_CHANGE_FLAGS
  (vt :uint16))   ; VARENUM
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PropVariantChangeType = Win32::API::More->new('PROPSYS',
    'int PropVariantChangeType(LPVOID ppropvarDest, LPVOID propvarSrc, int flags, WORD vt)');
# my $ret = $PropVariantChangeType->Call($ppropvarDest, $propvarSrc, $flags, $vt);
# ppropvarDest : PROPVARIANT* out -> LPVOID
# propvarSrc : PROPVARIANT* -> LPVOID
# flags : PROPVAR_CHANGE_FLAGS -> int
# vt : VARENUM -> WORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。