FreePropVariantArray

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

HRESULT FreePropVariantArray(
    DWORD cVariants,
    PROPVARIANT* rgvars
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function FreePropVariantArray(
    cVariants As UInteger,   ' DWORD
    rgvars As IntPtr   ' PROPVARIANT* in/out
) As Integer
End Function

' cVariants : DWORD
' rgvars : PROPVARIANT* in/out
Declare PtrSafe Function FreePropVariantArray Lib "ole32" ( _
    ByVal cVariants As Long, _
    ByVal rgvars 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

FreePropVariantArray = ctypes.windll.ole32.FreePropVariantArray
FreePropVariantArray.restype = ctypes.c_int
FreePropVariantArray.argtypes = [
    wintypes.DWORD,  # cVariants : DWORD
    ctypes.c_void_p,  # rgvars : PROPVARIANT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
FreePropVariantArray = Fiddle::Function.new(
  lib['FreePropVariantArray'],
  [
    -Fiddle::TYPE_INT,  # cVariants : DWORD
    Fiddle::TYPE_VOIDP,  # rgvars : PROPVARIANT* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn FreePropVariantArray(
        cVariants: u32,  // DWORD
        rgvars: *mut PROPVARIANT  // PROPVARIANT* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int FreePropVariantArray(uint cVariants, IntPtr rgvars);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_FreePropVariantArray' -Namespace Win32 -PassThru
# $api::FreePropVariantArray(cVariants, rgvars)

#uselib "OLE32.dll"
#func global FreePropVariantArray "FreePropVariantArray" sptr, sptr
; FreePropVariantArray cVariants, varptr(rgvars)   ; 戻り値は stat
; cVariants : DWORD -> "sptr"
; rgvars : PROPVARIANT* in/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 (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procFreePropVariantArray = ole32.NewProc("FreePropVariantArray")
)

// cVariants (DWORD), rgvars (PROPVARIANT* in/out)
r1, _, err := procFreePropVariantArray.Call(
	uintptr(cVariants),
	uintptr(rgvars),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function FreePropVariantArray(
  cVariants: DWORD;   // DWORD
  rgvars: Pointer   // PROPVARIANT* in/out
): Integer; stdcall;
  external 'OLE32.dll' name 'FreePropVariantArray';

result := DllCall("OLE32\FreePropVariantArray"
    , "UInt", cVariants   ; DWORD
    , "Ptr", rgvars   ; PROPVARIANT* in/out
    , "Int")   ; return: HRESULT

●FreePropVariantArray(cVariants, rgvars) = DLL("OLE32.dll", "int FreePropVariantArray(dword, void*)")
# 呼び出し: FreePropVariantArray(cVariants, rgvars)
# cVariants : DWORD -> "dword"
# rgvars : PROPVARIANT* in/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 "ole32" fn FreePropVariantArray(
    cVariants: u32, // DWORD
    rgvars: [*c]PROPVARIANT // PROPVARIANT* in/out
) callconv(std.os.windows.WINAPI) i32;

proc FreePropVariantArray(
    cVariants: uint32,  # DWORD
    rgvars: ptr PROPVARIANT  # PROPVARIANT* in/out
): int32 {.importc: "FreePropVariantArray", stdcall, dynlib: "OLE32.dll".}

pragma(lib, "ole32");
extern(Windows)
int FreePropVariantArray(
    uint cVariants,   // DWORD
    PROPVARIANT* rgvars   // PROPVARIANT* in/out
);

ccall((:FreePropVariantArray, "OLE32.dll"), stdcall, Int32,
      (UInt32, Ptr{PROPVARIANT}),
      cVariants, rgvars)
# cVariants : DWORD -> UInt32
# rgvars : PROPVARIANT* in/out -> Ptr{PROPVARIANT}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t FreePropVariantArray(
    uint32_t cVariants,
    void* rgvars);
]]
local ole32 = ffi.load("ole32")
-- ole32.FreePropVariantArray(cVariants, rgvars)
-- cVariants : DWORD
-- rgvars : PROPVARIANT* in/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('OLE32.dll');
const FreePropVariantArray = lib.func('__stdcall', 'FreePropVariantArray', 'int32_t', ['uint32_t', 'void *']);
// FreePropVariantArray(cVariants, rgvars)
// cVariants : DWORD -> 'uint32_t'
// rgvars : PROPVARIANT* in/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("OLE32.dll", {
  FreePropVariantArray: { parameters: ["u32", "pointer"], result: "i32" },
});
// lib.symbols.FreePropVariantArray(cVariants, rgvars)
// cVariants : DWORD -> "u32"
// rgvars : PROPVARIANT* in/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 FreePropVariantArray(
    uint32_t cVariants,
    void* rgvars);
C, "OLE32.dll");
// $ffi->FreePropVariantArray(cVariants, rgvars);
// cVariants : DWORD
// rgvars : PROPVARIANT* in/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 Ole32 extends StdCallLibrary {
    Ole32 INSTANCE = Native.load("ole32", Ole32.class);
    int FreePropVariantArray(
        int cVariants,   // DWORD
        Pointer rgvars   // PROPVARIANT* in/out
    );
}

@[Link("ole32")]
lib LibOLE32
  fun FreePropVariantArray = FreePropVariantArray(
    cVariants : UInt32,   # DWORD
    rgvars : PROPVARIANT*   # PROPVARIANT* in/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 FreePropVariantArrayNative = Int32 Function(Uint32, Pointer<Void>);
typedef FreePropVariantArrayDart = int Function(int, Pointer<Void>);
final FreePropVariantArray = DynamicLibrary.open('OLE32.dll')
    .lookupFunction<FreePropVariantArrayNative, FreePropVariantArrayDart>('FreePropVariantArray');
// cVariants : DWORD -> Uint32
// rgvars : PROPVARIANT* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function FreePropVariantArray(
  cVariants: DWORD;   // DWORD
  rgvars: Pointer   // PROPVARIANT* in/out
): Integer; stdcall;
  external 'OLE32.dll' name 'FreePropVariantArray';

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

foreign import stdcall safe "FreePropVariantArray"
  c_FreePropVariantArray :: Word32 -> Ptr () -> IO Int32
-- cVariants : DWORD -> Word32
-- rgvars : PROPVARIANT* in/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 freepropvariantarray =
  foreign "FreePropVariantArray"
    (uint32_t @-> (ptr void) @-> returning int32_t)
(* cVariants : DWORD -> uint32_t *)
(* rgvars : PROPVARIANT* in/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 ole32 (t "OLE32.dll"))
(cffi:use-foreign-library ole32)

(cffi:defcfun ("FreePropVariantArray" free-prop-variant-array :convention :stdcall) :int32
  (c-variants :uint32)   ; DWORD
  (rgvars :pointer))   ; PROPVARIANT* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $FreePropVariantArray = Win32::API::More->new('OLE32',
    'int FreePropVariantArray(DWORD cVariants, LPVOID rgvars)');
# my $ret = $FreePropVariantArray->Call($cVariants, $rgvars);
# cVariants : DWORD -> DWORD
# rgvars : PROPVARIANT* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。