VariantToInt64Array

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

HRESULT VariantToInt64Array(
    const VARIANT* var,
    LONGLONG* prgn,
    DWORD crgn,
    DWORD* pcElem
);

<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function VariantToInt64Array(
    var As IntPtr,   ' VARIANT*
    <Out> ByRef prgn As Long,   ' LONGLONG* out
    crgn As UInteger,   ' DWORD
    <Out> ByRef pcElem As UInteger   ' DWORD* out
) As Integer
End Function

' var : VARIANT*
' prgn : LONGLONG* out
' crgn : DWORD
' pcElem : DWORD* out
Declare PtrSafe Function VariantToInt64Array Lib "propsys" ( _
    ByVal var As LongPtr, _
    ByRef prgn As LongLong, _
    ByVal crgn 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

VariantToInt64Array = ctypes.windll.propsys.VariantToInt64Array
VariantToInt64Array.restype = ctypes.c_int
VariantToInt64Array.argtypes = [
    ctypes.c_void_p,  # var : VARIANT*
    ctypes.POINTER(ctypes.c_longlong),  # prgn : LONGLONG* out
    wintypes.DWORD,  # crgn : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcElem : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('PROPSYS.dll')
VariantToInt64Array = Fiddle::Function.new(
  lib['VariantToInt64Array'],
  [
    Fiddle::TYPE_VOIDP,  # var : VARIANT*
    Fiddle::TYPE_VOIDP,  # prgn : LONGLONG* out
    -Fiddle::TYPE_INT,  # crgn : DWORD
    Fiddle::TYPE_VOIDP,  # pcElem : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "propsys")]
extern "system" {
    fn VariantToInt64Array(
        var: *const VARIANT,  // VARIANT*
        prgn: *mut i64,  // LONGLONG* out
        crgn: 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 VariantToInt64Array(IntPtr var, out long prgn, uint crgn, out uint pcElem);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_VariantToInt64Array' -Namespace Win32 -PassThru
# $api::VariantToInt64Array(var, prgn, crgn, pcElem)

#uselib "PROPSYS.dll"
#func global VariantToInt64Array "VariantToInt64Array" sptr, sptr, sptr, sptr
; VariantToInt64Array varptr(var), varptr(prgn), crgn, varptr(pcElem)   ; 戻り値は stat
; var : VARIANT* -> "sptr"
; prgn : LONGLONG* out -> "sptr"
; crgn : 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")
	procVariantToInt64Array = propsys.NewProc("VariantToInt64Array")
)

// var (VARIANT*), prgn (LONGLONG* out), crgn (DWORD), pcElem (DWORD* out)
r1, _, err := procVariantToInt64Array.Call(
	uintptr(var),
	uintptr(prgn),
	uintptr(crgn),
	uintptr(pcElem),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function VariantToInt64Array(
  var: Pointer;   // VARIANT*
  prgn: Pointer;   // LONGLONG* out
  crgn: DWORD;   // DWORD
  pcElem: Pointer   // DWORD* out
): Integer; stdcall;
  external 'PROPSYS.dll' name 'VariantToInt64Array';

result := DllCall("PROPSYS\VariantToInt64Array"
    , "Ptr", var   ; VARIANT*
    , "Ptr", prgn   ; LONGLONG* out
    , "UInt", crgn   ; DWORD
    , "Ptr", pcElem   ; DWORD* out
    , "Int")   ; return: HRESULT

●VariantToInt64Array(var, prgn, crgn, pcElem) = DLL("PROPSYS.dll", "int VariantToInt64Array(void*, void*, dword, void*)")
# 呼び出し: VariantToInt64Array(var, prgn, crgn, pcElem)
# var : VARIANT* -> "void*"
# prgn : LONGLONG* out -> "void*"
# crgn : 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 VariantToInt64Array(
    var: [*c]VARIANT, // VARIANT*
    prgn: [*c]i64, // LONGLONG* out
    crgn: u32, // DWORD
    pcElem: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) i32;

proc VariantToInt64Array(
    `var`: ptr VARIANT,  # VARIANT*
    prgn: ptr int64,  # LONGLONG* out
    crgn: uint32,  # DWORD
    pcElem: ptr uint32  # DWORD* out
): int32 {.importc: "VariantToInt64Array", stdcall, dynlib: "PROPSYS.dll".}

pragma(lib, "propsys");
extern(Windows)
int VariantToInt64Array(
    VARIANT* var,   // VARIANT*
    long* prgn,   // LONGLONG* out
    uint crgn,   // DWORD
    uint* pcElem   // DWORD* out
);

ccall((:VariantToInt64Array, "PROPSYS.dll"), stdcall, Int32,
      (Ptr{VARIANT}, Ptr{Int64}, UInt32, Ptr{UInt32}),
      var, prgn, crgn, pcElem)
# var : VARIANT* -> Ptr{VARIANT}
# prgn : LONGLONG* out -> Ptr{Int64}
# crgn : 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 VariantToInt64Array(
    void* var,
    int64_t* prgn,
    uint32_t crgn,
    uint32_t* pcElem);
]]
local propsys = ffi.load("propsys")
-- propsys.VariantToInt64Array(var, prgn, crgn, pcElem)
-- var : VARIANT*
-- prgn : LONGLONG* out
-- crgn : 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 VariantToInt64Array = lib.func('__stdcall', 'VariantToInt64Array', 'int32_t', ['void *', 'int64_t *', 'uint32_t', 'uint32_t *']);
// VariantToInt64Array(var, prgn, crgn, pcElem)
// var : VARIANT* -> 'void *'
// prgn : LONGLONG* out -> 'int64_t *'
// crgn : 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", {
  VariantToInt64Array: { parameters: ["pointer", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.VariantToInt64Array(var, prgn, crgn, pcElem)
// var : VARIANT* -> "pointer"
// prgn : LONGLONG* out -> "pointer"
// crgn : 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 VariantToInt64Array(
    void* var,
    int64_t* prgn,
    uint32_t crgn,
    uint32_t* pcElem);
C, "PROPSYS.dll");
// $ffi->VariantToInt64Array(var, prgn, crgn, pcElem);
// var : VARIANT*
// prgn : LONGLONG* out
// crgn : 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 VariantToInt64Array(
        Pointer var,   // VARIANT*
        LongByReference prgn,   // LONGLONG* out
        int crgn,   // DWORD
        IntByReference pcElem   // DWORD* out
    );
}

@[Link("propsys")]
lib LibPROPSYS
  fun VariantToInt64Array = VariantToInt64Array(
    var : VARIANT*,   # VARIANT*
    prgn : Int64*,   # LONGLONG* out
    crgn : 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 VariantToInt64ArrayNative = Int32 Function(Pointer<Void>, Pointer<Int64>, Uint32, Pointer<Uint32>);
typedef VariantToInt64ArrayDart = int Function(Pointer<Void>, Pointer<Int64>, int, Pointer<Uint32>);
final VariantToInt64Array = DynamicLibrary.open('PROPSYS.dll')
    .lookupFunction<VariantToInt64ArrayNative, VariantToInt64ArrayDart>('VariantToInt64Array');
// var : VARIANT* -> Pointer<Void>
// prgn : LONGLONG* out -> Pointer<Int64>
// crgn : DWORD -> Uint32
// pcElem : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function VariantToInt64Array(
  var: Pointer;   // VARIANT*
  prgn: Pointer;   // LONGLONG* out
  crgn: DWORD;   // DWORD
  pcElem: Pointer   // DWORD* out
): Integer; stdcall;
  external 'PROPSYS.dll' name 'VariantToInt64Array';

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

foreign import stdcall safe "VariantToInt64Array"
  c_VariantToInt64Array :: Ptr () -> Ptr Int64 -> Word32 -> Ptr Word32 -> IO Int32
-- var : VARIANT* -> Ptr ()
-- prgn : LONGLONG* out -> Ptr Int64
-- crgn : 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 varianttoint64array =
  foreign "VariantToInt64Array"
    ((ptr void) @-> (ptr int64_t) @-> uint32_t @-> (ptr uint32_t) @-> returning int32_t)
(* var : VARIANT* -> (ptr void) *)
(* prgn : LONGLONG* out -> (ptr int64_t) *)
(* crgn : 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 ("VariantToInt64Array" variant-to-int64-array :convention :stdcall) :int32
  (var :pointer)   ; VARIANT*
  (prgn :pointer)   ; LONGLONG* out
  (crgn :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 $VariantToInt64Array = Win32::API::More->new('PROPSYS',
    'int VariantToInt64Array(LPVOID var, LPVOID prgn, DWORD crgn, LPVOID pcElem)');
# my $ret = $VariantToInt64Array->Call($var, $prgn, $crgn, $pcElem);
# var : VARIANT* -> LPVOID
# prgn : LONGLONG* out -> LPVOID
# crgn : 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。