WldpQueryPolicySettingEnabled

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

HRESULT WldpQueryPolicySettingEnabled(
    WLDP_POLICY_SETTING Setting,
    BOOL* Enabled
);

<DllImport("Wldp.dll", ExactSpelling:=True)>
Public Shared Function WldpQueryPolicySettingEnabled(
    Setting As Integer,   ' WLDP_POLICY_SETTING
    <Out> ByRef Enabled As Boolean   ' BOOL* out
) As Integer
End Function

' Setting : WLDP_POLICY_SETTING
' Enabled : BOOL* out
Declare PtrSafe Function WldpQueryPolicySettingEnabled Lib "wldp" ( _
    ByVal Setting As Long, _
    ByRef Enabled 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

WldpQueryPolicySettingEnabled = ctypes.windll.wldp.WldpQueryPolicySettingEnabled
WldpQueryPolicySettingEnabled.restype = ctypes.c_int
WldpQueryPolicySettingEnabled.argtypes = [
    ctypes.c_int,  # Setting : WLDP_POLICY_SETTING
    ctypes.c_void_p,  # Enabled : BOOL* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('Wldp.dll')
WldpQueryPolicySettingEnabled = Fiddle::Function.new(
  lib['WldpQueryPolicySettingEnabled'],
  [
    Fiddle::TYPE_INT,  # Setting : WLDP_POLICY_SETTING
    Fiddle::TYPE_VOIDP,  # Enabled : BOOL* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "wldp")]
extern "system" {
    fn WldpQueryPolicySettingEnabled(
        Setting: i32,  // WLDP_POLICY_SETTING
        Enabled: *mut i32  // BOOL* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("Wldp.dll")]
public static extern int WldpQueryPolicySettingEnabled(int Setting, out bool Enabled);
"@
$api = Add-Type -MemberDefinition $sig -Name 'Wldp_WldpQueryPolicySettingEnabled' -Namespace Win32 -PassThru
# $api::WldpQueryPolicySettingEnabled(Setting, Enabled)

#uselib "Wldp.dll"
#func global WldpQueryPolicySettingEnabled "WldpQueryPolicySettingEnabled" sptr, sptr
; WldpQueryPolicySettingEnabled Setting, varptr(Enabled)   ; 戻り値は stat
; Setting : WLDP_POLICY_SETTING -> "sptr"
; Enabled : BOOL* 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 (
	wldp = windows.NewLazySystemDLL("Wldp.dll")
	procWldpQueryPolicySettingEnabled = wldp.NewProc("WldpQueryPolicySettingEnabled")
)

// Setting (WLDP_POLICY_SETTING), Enabled (BOOL* out)
r1, _, err := procWldpQueryPolicySettingEnabled.Call(
	uintptr(Setting),
	uintptr(Enabled),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WldpQueryPolicySettingEnabled(
  Setting: Integer;   // WLDP_POLICY_SETTING
  Enabled: Pointer   // BOOL* out
): Integer; stdcall;
  external 'Wldp.dll' name 'WldpQueryPolicySettingEnabled';

result := DllCall("Wldp\WldpQueryPolicySettingEnabled"
    , "Int", Setting   ; WLDP_POLICY_SETTING
    , "Ptr", Enabled   ; BOOL* out
    , "Int")   ; return: HRESULT

●WldpQueryPolicySettingEnabled(Setting, Enabled) = DLL("Wldp.dll", "int WldpQueryPolicySettingEnabled(int, void*)")
# 呼び出し: WldpQueryPolicySettingEnabled(Setting, Enabled)
# Setting : WLDP_POLICY_SETTING -> "int"
# Enabled : BOOL* 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 "wldp" fn WldpQueryPolicySettingEnabled(
    Setting: i32, // WLDP_POLICY_SETTING
    Enabled: [*c]i32 // BOOL* out
) callconv(std.os.windows.WINAPI) i32;

proc WldpQueryPolicySettingEnabled(
    Setting: int32,  # WLDP_POLICY_SETTING
    Enabled: ptr int32  # BOOL* out
): int32 {.importc: "WldpQueryPolicySettingEnabled", stdcall, dynlib: "Wldp.dll".}

pragma(lib, "wldp");
extern(Windows)
int WldpQueryPolicySettingEnabled(
    int Setting,   // WLDP_POLICY_SETTING
    int* Enabled   // BOOL* out
);

ccall((:WldpQueryPolicySettingEnabled, "Wldp.dll"), stdcall, Int32,
      (Int32, Ptr{Int32}),
      Setting, Enabled)
# Setting : WLDP_POLICY_SETTING -> Int32
# Enabled : BOOL* out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t WldpQueryPolicySettingEnabled(
    int32_t Setting,
    int32_t* Enabled);
]]
local wldp = ffi.load("wldp")
-- wldp.WldpQueryPolicySettingEnabled(Setting, Enabled)
-- Setting : WLDP_POLICY_SETTING
-- Enabled : BOOL* 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('Wldp.dll');
const WldpQueryPolicySettingEnabled = lib.func('__stdcall', 'WldpQueryPolicySettingEnabled', 'int32_t', ['int32_t', 'int32_t *']);
// WldpQueryPolicySettingEnabled(Setting, Enabled)
// Setting : WLDP_POLICY_SETTING -> 'int32_t'
// Enabled : BOOL* out -> 'int32_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("Wldp.dll", {
  WldpQueryPolicySettingEnabled: { parameters: ["i32", "pointer"], result: "i32" },
});
// lib.symbols.WldpQueryPolicySettingEnabled(Setting, Enabled)
// Setting : WLDP_POLICY_SETTING -> "i32"
// Enabled : BOOL* 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 WldpQueryPolicySettingEnabled(
    int32_t Setting,
    int32_t* Enabled);
C, "Wldp.dll");
// $ffi->WldpQueryPolicySettingEnabled(Setting, Enabled);
// Setting : WLDP_POLICY_SETTING
// Enabled : BOOL* 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 Wldp extends StdCallLibrary {
    Wldp INSTANCE = Native.load("wldp", Wldp.class);
    int WldpQueryPolicySettingEnabled(
        int Setting,   // WLDP_POLICY_SETTING
        IntByReference Enabled   // BOOL* out
    );
}

@[Link("wldp")]
lib LibWldp
  fun WldpQueryPolicySettingEnabled = WldpQueryPolicySettingEnabled(
    Setting : Int32,   # WLDP_POLICY_SETTING
    Enabled : Int32*   # BOOL* 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 WldpQueryPolicySettingEnabledNative = Int32 Function(Int32, Pointer<Int32>);
typedef WldpQueryPolicySettingEnabledDart = int Function(int, Pointer<Int32>);
final WldpQueryPolicySettingEnabled = DynamicLibrary.open('Wldp.dll')
    .lookupFunction<WldpQueryPolicySettingEnabledNative, WldpQueryPolicySettingEnabledDart>('WldpQueryPolicySettingEnabled');
// Setting : WLDP_POLICY_SETTING -> Int32
// Enabled : BOOL* out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function WldpQueryPolicySettingEnabled(
  Setting: Integer;   // WLDP_POLICY_SETTING
  Enabled: Pointer   // BOOL* out
): Integer; stdcall;
  external 'Wldp.dll' name 'WldpQueryPolicySettingEnabled';

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

foreign import stdcall safe "WldpQueryPolicySettingEnabled"
  c_WldpQueryPolicySettingEnabled :: Int32 -> Ptr CInt -> IO Int32
-- Setting : WLDP_POLICY_SETTING -> Int32
-- Enabled : BOOL* out -> Ptr CInt
-- 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 wldpquerypolicysettingenabled =
  foreign "WldpQueryPolicySettingEnabled"
    (int32_t @-> (ptr int32_t) @-> returning int32_t)
(* Setting : WLDP_POLICY_SETTING -> int32_t *)
(* Enabled : BOOL* out -> (ptr int32_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 wldp (t "Wldp.dll"))
(cffi:use-foreign-library wldp)

(cffi:defcfun ("WldpQueryPolicySettingEnabled" wldp-query-policy-setting-enabled :convention :stdcall) :int32
  (setting :int32)   ; WLDP_POLICY_SETTING
  (enabled :pointer))   ; BOOL* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $WldpQueryPolicySettingEnabled = Win32::API::More->new('Wldp',
    'int WldpQueryPolicySettingEnabled(int Setting, LPVOID Enabled)');
# my $ret = $WldpQueryPolicySettingEnabled->Call($Setting, $Enabled);
# Setting : WLDP_POLICY_SETTING -> int
# Enabled : BOOL* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。