PropVariantToStringVector

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

HRESULT PropVariantToStringVector(
    const PROPVARIANT* propvar,
    LPWSTR* prgsz,
    DWORD crgsz,
    DWORD* pcElem
);

<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function PropVariantToStringVector(
    propvar As IntPtr,   ' PROPVARIANT*
    prgsz As IntPtr,   ' LPWSTR* out
    crgsz As UInteger,   ' DWORD
    <Out> ByRef pcElem As UInteger   ' DWORD* out
) As Integer
End Function

' propvar : PROPVARIANT*
' prgsz : LPWSTR* out
' crgsz : DWORD
' pcElem : DWORD* out
Declare PtrSafe Function PropVariantToStringVector Lib "propsys" ( _
    ByVal propvar As LongPtr, _
    ByVal prgsz As LongPtr, _
    ByVal crgsz As Long, _
    ByRef pcElem As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PropVariantToStringVector = ctypes.windll.propsys.PropVariantToStringVector
PropVariantToStringVector.restype = ctypes.c_int
PropVariantToStringVector.argtypes = [
    ctypes.c_void_p,  # propvar : PROPVARIANT*
    ctypes.c_void_p,  # prgsz : LPWSTR* out
    wintypes.DWORD,  # crgsz : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcElem : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PROPSYS.dll')
PropVariantToStringVector = Fiddle::Function.new(
  lib['PropVariantToStringVector'],
  [
    Fiddle::TYPE_VOIDP,  # propvar : PROPVARIANT*
    Fiddle::TYPE_VOIDP,  # prgsz : LPWSTR* out
    -Fiddle::TYPE_INT,  # crgsz : DWORD
    Fiddle::TYPE_VOIDP,  # pcElem : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "propsys")]
extern "system" {
    fn PropVariantToStringVector(
        propvar: *const PROPVARIANT,  // PROPVARIANT*
        prgsz: *mut *mut u16,  // LPWSTR* out
        crgsz: u32,  // DWORD
        pcElem: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("PROPSYS.dll")]
public static extern int PropVariantToStringVector(IntPtr propvar, IntPtr prgsz, uint crgsz, out uint pcElem);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_PropVariantToStringVector' -Namespace Win32 -PassThru
# $api::PropVariantToStringVector(propvar, prgsz, crgsz, pcElem)

#uselib "PROPSYS.dll"
#func global PropVariantToStringVector "PropVariantToStringVector" sptr, sptr, sptr, sptr
; PropVariantToStringVector varptr(propvar), varptr(prgsz), crgsz, varptr(pcElem)   ; 戻り値は stat
; propvar : PROPVARIANT* -> "sptr"
; prgsz : LPWSTR* out -> "sptr"
; crgsz : DWORD -> "sptr"
; pcElem : DWORD* 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。

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

var (
	propsys = windows.NewLazySystemDLL("PROPSYS.dll")
	procPropVariantToStringVector = propsys.NewProc("PropVariantToStringVector")
)

// propvar (PROPVARIANT*), prgsz (LPWSTR* out), crgsz (DWORD), pcElem (DWORD* out)
r1, _, err := procPropVariantToStringVector.Call(
	uintptr(propvar),
	uintptr(prgsz),
	uintptr(crgsz),
	uintptr(pcElem),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PropVariantToStringVector(
  propvar: Pointer;   // PROPVARIANT*
  prgsz: PPWideChar;   // LPWSTR* out
  crgsz: DWORD;   // DWORD
  pcElem: Pointer   // DWORD* out
): Integer; stdcall;
  external 'PROPSYS.dll' name 'PropVariantToStringVector';

result := DllCall("PROPSYS\PropVariantToStringVector"
    , "Ptr", propvar   ; PROPVARIANT*
    , "Ptr", prgsz   ; LPWSTR* out
    , "UInt", crgsz   ; DWORD
    , "Ptr", pcElem   ; DWORD* out
    , "Int")   ; return: HRESULT

●PropVariantToStringVector(propvar, prgsz, crgsz, pcElem) = DLL("PROPSYS.dll", "int PropVariantToStringVector(void*, void*, dword, void*)")
# 呼び出し: PropVariantToStringVector(propvar, prgsz, crgsz, pcElem)
# propvar : PROPVARIANT* -> "void*"
# prgsz : LPWSTR* out -> "void*"
# crgsz : DWORD -> "dword"
# pcElem : DWORD* 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 "propsys" fn PropVariantToStringVector(
    propvar: [*c]PROPVARIANT, // PROPVARIANT*
    prgsz: [*c][*c]u16, // LPWSTR* out
    crgsz: u32, // DWORD
    pcElem: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) i32;

proc PropVariantToStringVector(
    propvar: ptr PROPVARIANT,  # PROPVARIANT*
    prgsz: ptr WideCString,  # LPWSTR* out
    crgsz: uint32,  # DWORD
    pcElem: ptr uint32  # DWORD* out
): int32 {.importc: "PropVariantToStringVector", stdcall, dynlib: "PROPSYS.dll".}

pragma(lib, "propsys");
extern(Windows)
int PropVariantToStringVector(
    PROPVARIANT* propvar,   // PROPVARIANT*
    wchar** prgsz,   // LPWSTR* out
    uint crgsz,   // DWORD
    uint* pcElem   // DWORD* out
);

ccall((:PropVariantToStringVector, "PROPSYS.dll"), stdcall, Int32,
      (Ptr{PROPVARIANT}, Ptr{Ptr{UInt16}}, UInt32, Ptr{UInt32}),
      propvar, prgsz, crgsz, pcElem)
# propvar : PROPVARIANT* -> Ptr{PROPVARIANT}
# prgsz : LPWSTR* out -> Ptr{Ptr{UInt16}}
# crgsz : DWORD -> UInt32
# pcElem : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t PropVariantToStringVector(
    void* propvar,
    uint16_t** prgsz,
    uint32_t crgsz,
    uint32_t* pcElem);
]]
local propsys = ffi.load("propsys")
-- propsys.PropVariantToStringVector(propvar, prgsz, crgsz, pcElem)
-- propvar : PROPVARIANT*
-- prgsz : LPWSTR* out
-- crgsz : DWORD
-- pcElem : DWORD* 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('PROPSYS.dll');
const PropVariantToStringVector = lib.func('__stdcall', 'PropVariantToStringVector', 'int32_t', ['void *', 'void *', 'uint32_t', 'uint32_t *']);
// PropVariantToStringVector(propvar, prgsz, crgsz, pcElem)
// propvar : PROPVARIANT* -> 'void *'
// prgsz : LPWSTR* out -> 'void *'
// crgsz : DWORD -> 'uint32_t'
// pcElem : DWORD* out -> 'uint32_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", {
  PropVariantToStringVector: { parameters: ["pointer", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.PropVariantToStringVector(propvar, prgsz, crgsz, pcElem)
// propvar : PROPVARIANT* -> "pointer"
// prgsz : LPWSTR* out -> "pointer"
// crgsz : DWORD -> "u32"
// pcElem : DWORD* 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 PropVariantToStringVector(
    void* propvar,
    uint16_t** prgsz,
    uint32_t crgsz,
    uint32_t* pcElem);
C, "PROPSYS.dll");
// $ffi->PropVariantToStringVector(propvar, prgsz, crgsz, pcElem);
// propvar : PROPVARIANT*
// prgsz : LPWSTR* out
// crgsz : DWORD
// pcElem : DWORD* 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 Propsys extends StdCallLibrary {
    Propsys INSTANCE = Native.load("propsys", Propsys.class);
    int PropVariantToStringVector(
        Pointer propvar,   // PROPVARIANT*
        PointerByReference prgsz,   // LPWSTR* out
        int crgsz,   // DWORD
        IntByReference pcElem   // DWORD* out
    );
}

@[Link("propsys")]
lib LibPROPSYS
  fun PropVariantToStringVector = PropVariantToStringVector(
    propvar : PROPVARIANT*,   # PROPVARIANT*
    prgsz : UInt16**,   # LPWSTR* out
    crgsz : UInt32,   # DWORD
    pcElem : UInt32*   # DWORD* 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 PropVariantToStringVectorNative = Int32 Function(Pointer<Void>, Pointer<Pointer<Utf16>>, Uint32, Pointer<Uint32>);
typedef PropVariantToStringVectorDart = int Function(Pointer<Void>, Pointer<Pointer<Utf16>>, int, Pointer<Uint32>);
final PropVariantToStringVector = DynamicLibrary.open('PROPSYS.dll')
    .lookupFunction<PropVariantToStringVectorNative, PropVariantToStringVectorDart>('PropVariantToStringVector');
// propvar : PROPVARIANT* -> Pointer<Void>
// prgsz : LPWSTR* out -> Pointer<Pointer<Utf16>>
// crgsz : DWORD -> Uint32
// pcElem : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PropVariantToStringVector(
  propvar: Pointer;   // PROPVARIANT*
  prgsz: PPWideChar;   // LPWSTR* out
  crgsz: DWORD;   // DWORD
  pcElem: Pointer   // DWORD* out
): Integer; stdcall;
  external 'PROPSYS.dll' name 'PropVariantToStringVector';

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

foreign import stdcall safe "PropVariantToStringVector"
  c_PropVariantToStringVector :: Ptr () -> Ptr CWString -> Word32 -> Ptr Word32 -> IO Int32
-- propvar : PROPVARIANT* -> Ptr ()
-- prgsz : LPWSTR* out -> Ptr CWString
-- crgsz : DWORD -> Word32
-- pcElem : DWORD* out -> Ptr Word32
-- 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 propvarianttostringvector =
  foreign "PropVariantToStringVector"
    ((ptr void) @-> (ptr (ptr uint16_t)) @-> uint32_t @-> (ptr uint32_t) @-> returning int32_t)
(* propvar : PROPVARIANT* -> (ptr void) *)
(* prgsz : LPWSTR* out -> (ptr (ptr uint16_t)) *)
(* crgsz : DWORD -> uint32_t *)
(* pcElem : DWORD* out -> (ptr uint32_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 ("PropVariantToStringVector" prop-variant-to-string-vector :convention :stdcall) :int32
  (propvar :pointer)   ; PROPVARIANT*
  (prgsz :pointer)   ; LPWSTR* out
  (crgsz :uint32)   ; DWORD
  (pc-elem :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PropVariantToStringVector = Win32::API::More->new('PROPSYS',
    'int PropVariantToStringVector(LPVOID propvar, LPVOID prgsz, DWORD crgsz, LPVOID pcElem)');
# my $ret = $PropVariantToStringVector->Call($propvar, $prgsz, $crgsz, $pcElem);
# propvar : PROPVARIANT* -> LPVOID
# prgsz : LPWSTR* out -> LPVOID
# crgsz : DWORD -> DWORD
# pcElem : DWORD* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。