MQLocateNext

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

HRESULT MQLocateNext(
    HANDLE hEnum,
    DWORD* pcProps,
    PROPVARIANT* aPropVar
);

<DllImport("mqrt.dll", ExactSpelling:=True)>
Public Shared Function MQLocateNext(
    hEnum As IntPtr,   ' HANDLE
    ByRef pcProps As UInteger,   ' DWORD* in/out
    aPropVar As IntPtr   ' PROPVARIANT* out
) As Integer
End Function

' hEnum : HANDLE
' pcProps : DWORD* in/out
' aPropVar : PROPVARIANT* out
Declare PtrSafe Function MQLocateNext Lib "mqrt" ( _
    ByVal hEnum As LongPtr, _
    ByRef pcProps As Long, _
    ByVal aPropVar 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

MQLocateNext = ctypes.windll.mqrt.MQLocateNext
MQLocateNext.restype = ctypes.c_int
MQLocateNext.argtypes = [
    wintypes.HANDLE,  # hEnum : HANDLE
    ctypes.POINTER(wintypes.DWORD),  # pcProps : DWORD* in/out
    ctypes.c_void_p,  # aPropVar : PROPVARIANT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('mqrt.dll')
MQLocateNext = Fiddle::Function.new(
  lib['MQLocateNext'],
  [
    Fiddle::TYPE_VOIDP,  # hEnum : HANDLE
    Fiddle::TYPE_VOIDP,  # pcProps : DWORD* in/out
    Fiddle::TYPE_VOIDP,  # aPropVar : PROPVARIANT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mqrt")]
extern "system" {
    fn MQLocateNext(
        hEnum: *mut core::ffi::c_void,  // HANDLE
        pcProps: *mut u32,  // DWORD* in/out
        aPropVar: *mut PROPVARIANT  // PROPVARIANT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("mqrt.dll")]
public static extern int MQLocateNext(IntPtr hEnum, ref uint pcProps, IntPtr aPropVar);
"@
$api = Add-Type -MemberDefinition $sig -Name 'mqrt_MQLocateNext' -Namespace Win32 -PassThru
# $api::MQLocateNext(hEnum, pcProps, aPropVar)

#uselib "mqrt.dll"
#func global MQLocateNext "MQLocateNext" sptr, sptr, sptr
; MQLocateNext hEnum, varptr(pcProps), varptr(aPropVar)   ; 戻り値は stat
; hEnum : HANDLE -> "sptr"
; pcProps : DWORD* in/out -> "sptr"
; aPropVar : PROPVARIANT* 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 (
	mqrt = windows.NewLazySystemDLL("mqrt.dll")
	procMQLocateNext = mqrt.NewProc("MQLocateNext")
)

// hEnum (HANDLE), pcProps (DWORD* in/out), aPropVar (PROPVARIANT* out)
r1, _, err := procMQLocateNext.Call(
	uintptr(hEnum),
	uintptr(pcProps),
	uintptr(aPropVar),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MQLocateNext(
  hEnum: THandle;   // HANDLE
  pcProps: Pointer;   // DWORD* in/out
  aPropVar: Pointer   // PROPVARIANT* out
): Integer; stdcall;
  external 'mqrt.dll' name 'MQLocateNext';

result := DllCall("mqrt\MQLocateNext"
    , "Ptr", hEnum   ; HANDLE
    , "Ptr", pcProps   ; DWORD* in/out
    , "Ptr", aPropVar   ; PROPVARIANT* out
    , "Int")   ; return: HRESULT

●MQLocateNext(hEnum, pcProps, aPropVar) = DLL("mqrt.dll", "int MQLocateNext(void*, void*, void*)")
# 呼び出し: MQLocateNext(hEnum, pcProps, aPropVar)
# hEnum : HANDLE -> "void*"
# pcProps : DWORD* in/out -> "void*"
# aPropVar : PROPVARIANT* 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 "mqrt" fn MQLocateNext(
    hEnum: ?*anyopaque, // HANDLE
    pcProps: [*c]u32, // DWORD* in/out
    aPropVar: [*c]PROPVARIANT // PROPVARIANT* out
) callconv(std.os.windows.WINAPI) i32;

proc MQLocateNext(
    hEnum: pointer,  # HANDLE
    pcProps: ptr uint32,  # DWORD* in/out
    aPropVar: ptr PROPVARIANT  # PROPVARIANT* out
): int32 {.importc: "MQLocateNext", stdcall, dynlib: "mqrt.dll".}

pragma(lib, "mqrt");
extern(Windows)
int MQLocateNext(
    void* hEnum,   // HANDLE
    uint* pcProps,   // DWORD* in/out
    PROPVARIANT* aPropVar   // PROPVARIANT* out
);

ccall((:MQLocateNext, "mqrt.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{UInt32}, Ptr{PROPVARIANT}),
      hEnum, pcProps, aPropVar)
# hEnum : HANDLE -> Ptr{Cvoid}
# pcProps : DWORD* in/out -> Ptr{UInt32}
# aPropVar : PROPVARIANT* 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 MQLocateNext(
    void* hEnum,
    uint32_t* pcProps,
    void* aPropVar);
]]
local mqrt = ffi.load("mqrt")
-- mqrt.MQLocateNext(hEnum, pcProps, aPropVar)
-- hEnum : HANDLE
-- pcProps : DWORD* in/out
-- aPropVar : PROPVARIANT* 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('mqrt.dll');
const MQLocateNext = lib.func('__stdcall', 'MQLocateNext', 'int32_t', ['void *', 'uint32_t *', 'void *']);
// MQLocateNext(hEnum, pcProps, aPropVar)
// hEnum : HANDLE -> 'void *'
// pcProps : DWORD* in/out -> 'uint32_t *'
// aPropVar : PROPVARIANT* 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("mqrt.dll", {
  MQLocateNext: { parameters: ["pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.MQLocateNext(hEnum, pcProps, aPropVar)
// hEnum : HANDLE -> "pointer"
// pcProps : DWORD* in/out -> "pointer"
// aPropVar : PROPVARIANT* 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 MQLocateNext(
    void* hEnum,
    uint32_t* pcProps,
    void* aPropVar);
C, "mqrt.dll");
// $ffi->MQLocateNext(hEnum, pcProps, aPropVar);
// hEnum : HANDLE
// pcProps : DWORD* in/out
// aPropVar : PROPVARIANT* 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 Mqrt extends StdCallLibrary {
    Mqrt INSTANCE = Native.load("mqrt", Mqrt.class);
    int MQLocateNext(
        Pointer hEnum,   // HANDLE
        IntByReference pcProps,   // DWORD* in/out
        Pointer aPropVar   // PROPVARIANT* out
    );
}

@[Link("mqrt")]
lib Libmqrt
  fun MQLocateNext = MQLocateNext(
    hEnum : Void*,   # HANDLE
    pcProps : UInt32*,   # DWORD* in/out
    aPropVar : PROPVARIANT*   # PROPVARIANT* 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 MQLocateNextNative = Int32 Function(Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
typedef MQLocateNextDart = int Function(Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
final MQLocateNext = DynamicLibrary.open('mqrt.dll')
    .lookupFunction<MQLocateNextNative, MQLocateNextDart>('MQLocateNext');
// hEnum : HANDLE -> Pointer<Void>
// pcProps : DWORD* in/out -> Pointer<Uint32>
// aPropVar : PROPVARIANT* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MQLocateNext(
  hEnum: THandle;   // HANDLE
  pcProps: Pointer;   // DWORD* in/out
  aPropVar: Pointer   // PROPVARIANT* out
): Integer; stdcall;
  external 'mqrt.dll' name 'MQLocateNext';

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

foreign import stdcall safe "MQLocateNext"
  c_MQLocateNext :: Ptr () -> Ptr Word32 -> Ptr () -> IO Int32
-- hEnum : HANDLE -> Ptr ()
-- pcProps : DWORD* in/out -> Ptr Word32
-- aPropVar : PROPVARIANT* 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 mqlocatenext =
  foreign "MQLocateNext"
    ((ptr void) @-> (ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* hEnum : HANDLE -> (ptr void) *)
(* pcProps : DWORD* in/out -> (ptr uint32_t) *)
(* aPropVar : PROPVARIANT* 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 mqrt (t "mqrt.dll"))
(cffi:use-foreign-library mqrt)

(cffi:defcfun ("MQLocateNext" mqlocate-next :convention :stdcall) :int32
  (h-enum :pointer)   ; HANDLE
  (pc-props :pointer)   ; DWORD* in/out
  (a-prop-var :pointer))   ; PROPVARIANT* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

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