EcOpenSubscription

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

INT_PTR EcOpenSubscription(
    LPCWSTR SubscriptionName,
    DWORD AccessMask,
    DWORD Flags
);

<DllImport("WecApi.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function EcOpenSubscription(
    <MarshalAs(UnmanagedType.LPWStr)> SubscriptionName As String,   ' LPCWSTR
    AccessMask As UInteger,   ' DWORD
    Flags As UInteger   ' DWORD
) As IntPtr
End Function

' SubscriptionName : LPCWSTR
' AccessMask : DWORD
' Flags : DWORD
Declare PtrSafe Function EcOpenSubscription Lib "wecapi" ( _
    ByVal SubscriptionName As LongPtr, _
    ByVal AccessMask As Long, _
    ByVal Flags As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

EcOpenSubscription = ctypes.windll.wecapi.EcOpenSubscription
EcOpenSubscription.restype = ctypes.c_ssize_t
EcOpenSubscription.argtypes = [
    wintypes.LPCWSTR,  # SubscriptionName : LPCWSTR
    wintypes.DWORD,  # AccessMask : DWORD
    wintypes.DWORD,  # Flags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WecApi.dll')
EcOpenSubscription = Fiddle::Function.new(
  lib['EcOpenSubscription'],
  [
    Fiddle::TYPE_VOIDP,  # SubscriptionName : LPCWSTR
    -Fiddle::TYPE_INT,  # AccessMask : DWORD
    -Fiddle::TYPE_INT,  # Flags : DWORD
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "wecapi")]
extern "system" {
    fn EcOpenSubscription(
        SubscriptionName: *const u16,  // LPCWSTR
        AccessMask: u32,  // DWORD
        Flags: u32  // DWORD
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WecApi.dll", SetLastError = true)]
public static extern IntPtr EcOpenSubscription([MarshalAs(UnmanagedType.LPWStr)] string SubscriptionName, uint AccessMask, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WecApi_EcOpenSubscription' -Namespace Win32 -PassThru
# $api::EcOpenSubscription(SubscriptionName, AccessMask, Flags)

#uselib "WecApi.dll"
#func global EcOpenSubscription "EcOpenSubscription" sptr, sptr, sptr
; EcOpenSubscription SubscriptionName, AccessMask, Flags   ; 戻り値は stat
; SubscriptionName : LPCWSTR -> "sptr"
; AccessMask : DWORD -> "sptr"
; Flags : DWORD -> "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。

#uselib "WecApi.dll"
#cfunc global EcOpenSubscription "EcOpenSubscription" wstr, int, int
; res = EcOpenSubscription(SubscriptionName, AccessMask, Flags)
; SubscriptionName : LPCWSTR -> "wstr"
; AccessMask : DWORD -> "int"
; Flags : DWORD -> "int"

; INT_PTR EcOpenSubscription(LPCWSTR SubscriptionName, DWORD AccessMask, DWORD Flags)
#uselib "WecApi.dll"
#cfunc global EcOpenSubscription "EcOpenSubscription" wstr, int, int
; res = EcOpenSubscription(SubscriptionName, AccessMask, Flags)
; SubscriptionName : LPCWSTR -> "wstr"
; AccessMask : DWORD -> "int"
; Flags : DWORD -> "int"

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

var (
	wecapi = windows.NewLazySystemDLL("WecApi.dll")
	procEcOpenSubscription = wecapi.NewProc("EcOpenSubscription")
)

// SubscriptionName (LPCWSTR), AccessMask (DWORD), Flags (DWORD)
r1, _, err := procEcOpenSubscription.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(SubscriptionName))),
	uintptr(AccessMask),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT_PTR

function EcOpenSubscription(
  SubscriptionName: PWideChar;   // LPCWSTR
  AccessMask: DWORD;   // DWORD
  Flags: DWORD   // DWORD
): NativeInt; stdcall;
  external 'WecApi.dll' name 'EcOpenSubscription';

result := DllCall("WecApi\EcOpenSubscription"
    , "WStr", SubscriptionName   ; LPCWSTR
    , "UInt", AccessMask   ; DWORD
    , "UInt", Flags   ; DWORD
    , "Ptr")   ; return: INT_PTR

●EcOpenSubscription(SubscriptionName, AccessMask, Flags) = DLL("WecApi.dll", "int EcOpenSubscription(char*, dword, dword)")
# 呼び出し: EcOpenSubscription(SubscriptionName, AccessMask, Flags)
# SubscriptionName : LPCWSTR -> "char*"
# AccessMask : DWORD -> "dword"
# Flags : DWORD -> "dword"
# 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 "wecapi" fn EcOpenSubscription(
    SubscriptionName: [*c]const u16, // LPCWSTR
    AccessMask: u32, // DWORD
    Flags: u32 // DWORD
) callconv(std.os.windows.WINAPI) isize;

proc EcOpenSubscription(
    SubscriptionName: WideCString,  # LPCWSTR
    AccessMask: uint32,  # DWORD
    Flags: uint32  # DWORD
): int {.importc: "EcOpenSubscription", stdcall, dynlib: "WecApi.dll".}

pragma(lib, "wecapi");
extern(Windows)
ptrdiff_t EcOpenSubscription(
    const(wchar)* SubscriptionName,   // LPCWSTR
    uint AccessMask,   // DWORD
    uint Flags   // DWORD
);

ccall((:EcOpenSubscription, "WecApi.dll"), stdcall, Int,
      (Cwstring, UInt32, UInt32),
      SubscriptionName, AccessMask, Flags)
# SubscriptionName : LPCWSTR -> Cwstring
# AccessMask : DWORD -> UInt32
# Flags : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
intptr_t EcOpenSubscription(
    const uint16_t* SubscriptionName,
    uint32_t AccessMask,
    uint32_t Flags);
]]
local wecapi = ffi.load("wecapi")
-- wecapi.EcOpenSubscription(SubscriptionName, AccessMask, Flags)
-- SubscriptionName : LPCWSTR
-- AccessMask : DWORD
-- Flags : DWORD
-- 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('WecApi.dll');
const EcOpenSubscription = lib.func('__stdcall', 'EcOpenSubscription', 'intptr_t', ['str16', 'uint32_t', 'uint32_t']);
// EcOpenSubscription(SubscriptionName, AccessMask, Flags)
// SubscriptionName : LPCWSTR -> 'str16'
// AccessMask : DWORD -> 'uint32_t'
// Flags : DWORD -> '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("WecApi.dll", {
  EcOpenSubscription: { parameters: ["buffer", "u32", "u32"], result: "isize" },
});
// lib.symbols.EcOpenSubscription(SubscriptionName, AccessMask, Flags)
// SubscriptionName : LPCWSTR -> "buffer"
// AccessMask : DWORD -> "u32"
// Flags : DWORD -> "u32"
// 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
intptr_t EcOpenSubscription(
    const uint16_t* SubscriptionName,
    uint32_t AccessMask,
    uint32_t Flags);
C, "WecApi.dll");
// $ffi->EcOpenSubscription(SubscriptionName, AccessMask, Flags);
// SubscriptionName : LPCWSTR
// AccessMask : DWORD
// Flags : DWORD
// 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 Wecapi extends StdCallLibrary {
    Wecapi INSTANCE = Native.load("wecapi", Wecapi.class);
    long EcOpenSubscription(
        WString SubscriptionName,   // LPCWSTR
        int AccessMask,   // DWORD
        int Flags   // DWORD
    );
}

@[Link("wecapi")]
lib LibWecApi
  fun EcOpenSubscription = EcOpenSubscription(
    SubscriptionName : UInt16*,   # LPCWSTR
    AccessMask : UInt32,   # DWORD
    Flags : UInt32   # DWORD
  ) : LibC::SSizeT
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 EcOpenSubscriptionNative = IntPtr Function(Pointer<Utf16>, Uint32, Uint32);
typedef EcOpenSubscriptionDart = int Function(Pointer<Utf16>, int, int);
final EcOpenSubscription = DynamicLibrary.open('WecApi.dll')
    .lookupFunction<EcOpenSubscriptionNative, EcOpenSubscriptionDart>('EcOpenSubscription');
// SubscriptionName : LPCWSTR -> Pointer<Utf16>
// AccessMask : DWORD -> Uint32
// Flags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function EcOpenSubscription(
  SubscriptionName: PWideChar;   // LPCWSTR
  AccessMask: DWORD;   // DWORD
  Flags: DWORD   // DWORD
): NativeInt; stdcall;
  external 'WecApi.dll' name 'EcOpenSubscription';

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

foreign import stdcall safe "EcOpenSubscription"
  c_EcOpenSubscription :: CWString -> Word32 -> Word32 -> IO CIntPtr
-- SubscriptionName : LPCWSTR -> CWString
-- AccessMask : DWORD -> Word32
-- Flags : DWORD -> 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 ecopensubscription =
  foreign "EcOpenSubscription"
    ((ptr uint16_t) @-> uint32_t @-> uint32_t @-> returning intptr_t)
(* SubscriptionName : LPCWSTR -> (ptr uint16_t) *)
(* AccessMask : DWORD -> uint32_t *)
(* Flags : DWORD -> 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 wecapi (t "WecApi.dll"))
(cffi:use-foreign-library wecapi)

(cffi:defcfun ("EcOpenSubscription" ec-open-subscription :convention :stdcall) :int64
  (subscription-name (:string :encoding :utf-16le))   ; LPCWSTR
  (access-mask :uint32)   ; DWORD
  (flags :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $EcOpenSubscription = Win32::API::More->new('WecApi',
    'LPARAM EcOpenSubscription(LPCWSTR SubscriptionName, DWORD AccessMask, DWORD Flags)');
# my $ret = $EcOpenSubscription->Call($SubscriptionName, $AccessMask, $Flags);
# SubscriptionName : LPCWSTR -> LPCWSTR
# AccessMask : DWORD -> DWORD
# Flags : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。