RegNotifyChangeKeyValue

// ADVAPI32.dll
#include <windows.h>

WIN32_ERROR RegNotifyChangeKeyValue(
    HKEY hKey,
    BOOL bWatchSubtree,
    REG_NOTIFY_FILTER dwNotifyFilter,
    HANDLE hEvent,   // optional
    BOOL fAsynchronous
);

<DllImport("ADVAPI32.dll", ExactSpelling:=True)>
Public Shared Function RegNotifyChangeKeyValue(
    hKey As IntPtr,   ' HKEY
    bWatchSubtree As Boolean,   ' BOOL
    dwNotifyFilter As UInteger,   ' REG_NOTIFY_FILTER
    hEvent As IntPtr,   ' HANDLE optional
    fAsynchronous As Boolean   ' BOOL
) As UInteger
End Function

' hKey : HKEY
' bWatchSubtree : BOOL
' dwNotifyFilter : REG_NOTIFY_FILTER
' hEvent : HANDLE optional
' fAsynchronous : BOOL
Declare PtrSafe Function RegNotifyChangeKeyValue Lib "advapi32" ( _
    ByVal hKey As LongPtr, _
    ByVal bWatchSubtree As Long, _
    ByVal dwNotifyFilter As Long, _
    ByVal hEvent As LongPtr, _
    ByVal fAsynchronous 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

RegNotifyChangeKeyValue = ctypes.windll.advapi32.RegNotifyChangeKeyValue
RegNotifyChangeKeyValue.restype = wintypes.DWORD
RegNotifyChangeKeyValue.argtypes = [
    wintypes.HANDLE,  # hKey : HKEY
    wintypes.BOOL,  # bWatchSubtree : BOOL
    wintypes.DWORD,  # dwNotifyFilter : REG_NOTIFY_FILTER
    wintypes.HANDLE,  # hEvent : HANDLE optional
    wintypes.BOOL,  # fAsynchronous : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
RegNotifyChangeKeyValue = Fiddle::Function.new(
  lib['RegNotifyChangeKeyValue'],
  [
    Fiddle::TYPE_VOIDP,  # hKey : HKEY
    Fiddle::TYPE_INT,  # bWatchSubtree : BOOL
    -Fiddle::TYPE_INT,  # dwNotifyFilter : REG_NOTIFY_FILTER
    Fiddle::TYPE_VOIDP,  # hEvent : HANDLE optional
    Fiddle::TYPE_INT,  # fAsynchronous : BOOL
  ],
  -Fiddle::TYPE_INT)

#[link(name = "advapi32")]
extern "system" {
    fn RegNotifyChangeKeyValue(
        hKey: *mut core::ffi::c_void,  // HKEY
        bWatchSubtree: i32,  // BOOL
        dwNotifyFilter: u32,  // REG_NOTIFY_FILTER
        hEvent: *mut core::ffi::c_void,  // HANDLE optional
        fAsynchronous: i32  // BOOL
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ADVAPI32.dll")]
public static extern uint RegNotifyChangeKeyValue(IntPtr hKey, bool bWatchSubtree, uint dwNotifyFilter, IntPtr hEvent, bool fAsynchronous);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_RegNotifyChangeKeyValue' -Namespace Win32 -PassThru
# $api::RegNotifyChangeKeyValue(hKey, bWatchSubtree, dwNotifyFilter, hEvent, fAsynchronous)

#uselib "ADVAPI32.dll"
#func global RegNotifyChangeKeyValue "RegNotifyChangeKeyValue" sptr, sptr, sptr, sptr, sptr
; RegNotifyChangeKeyValue hKey, bWatchSubtree, dwNotifyFilter, hEvent, fAsynchronous   ; 戻り値は stat
; hKey : HKEY -> "sptr"
; bWatchSubtree : BOOL -> "sptr"
; dwNotifyFilter : REG_NOTIFY_FILTER -> "sptr"
; hEvent : HANDLE optional -> "sptr"
; fAsynchronous : BOOL -> "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 "ADVAPI32.dll"
#cfunc global RegNotifyChangeKeyValue "RegNotifyChangeKeyValue" sptr, int, int, sptr, int
; res = RegNotifyChangeKeyValue(hKey, bWatchSubtree, dwNotifyFilter, hEvent, fAsynchronous)
; hKey : HKEY -> "sptr"
; bWatchSubtree : BOOL -> "int"
; dwNotifyFilter : REG_NOTIFY_FILTER -> "int"
; hEvent : HANDLE optional -> "sptr"
; fAsynchronous : BOOL -> "int"

; WIN32_ERROR RegNotifyChangeKeyValue(HKEY hKey, BOOL bWatchSubtree, REG_NOTIFY_FILTER dwNotifyFilter, HANDLE hEvent, BOOL fAsynchronous)
#uselib "ADVAPI32.dll"
#cfunc global RegNotifyChangeKeyValue "RegNotifyChangeKeyValue" intptr, int, int, intptr, int
; res = RegNotifyChangeKeyValue(hKey, bWatchSubtree, dwNotifyFilter, hEvent, fAsynchronous)
; hKey : HKEY -> "intptr"
; bWatchSubtree : BOOL -> "int"
; dwNotifyFilter : REG_NOTIFY_FILTER -> "int"
; hEvent : HANDLE optional -> "intptr"
; fAsynchronous : BOOL -> "int"

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procRegNotifyChangeKeyValue = advapi32.NewProc("RegNotifyChangeKeyValue")
)

// hKey (HKEY), bWatchSubtree (BOOL), dwNotifyFilter (REG_NOTIFY_FILTER), hEvent (HANDLE optional), fAsynchronous (BOOL)
r1, _, err := procRegNotifyChangeKeyValue.Call(
	uintptr(hKey),
	uintptr(bWatchSubtree),
	uintptr(dwNotifyFilter),
	uintptr(hEvent),
	uintptr(fAsynchronous),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR

function RegNotifyChangeKeyValue(
  hKey: THandle;   // HKEY
  bWatchSubtree: BOOL;   // BOOL
  dwNotifyFilter: DWORD;   // REG_NOTIFY_FILTER
  hEvent: THandle;   // HANDLE optional
  fAsynchronous: BOOL   // BOOL
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'RegNotifyChangeKeyValue';

result := DllCall("ADVAPI32\RegNotifyChangeKeyValue"
    , "Ptr", hKey   ; HKEY
    , "Int", bWatchSubtree   ; BOOL
    , "UInt", dwNotifyFilter   ; REG_NOTIFY_FILTER
    , "Ptr", hEvent   ; HANDLE optional
    , "Int", fAsynchronous   ; BOOL
    , "UInt")   ; return: WIN32_ERROR

●RegNotifyChangeKeyValue(hKey, bWatchSubtree, dwNotifyFilter, hEvent, fAsynchronous) = DLL("ADVAPI32.dll", "dword RegNotifyChangeKeyValue(void*, bool, dword, void*, bool)")
# 呼び出し: RegNotifyChangeKeyValue(hKey, bWatchSubtree, dwNotifyFilter, hEvent, fAsynchronous)
# hKey : HKEY -> "void*"
# bWatchSubtree : BOOL -> "bool"
# dwNotifyFilter : REG_NOTIFY_FILTER -> "dword"
# hEvent : HANDLE optional -> "void*"
# fAsynchronous : BOOL -> "bool"
# 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 "advapi32" fn RegNotifyChangeKeyValue(
    hKey: ?*anyopaque, // HKEY
    bWatchSubtree: i32, // BOOL
    dwNotifyFilter: u32, // REG_NOTIFY_FILTER
    hEvent: ?*anyopaque, // HANDLE optional
    fAsynchronous: i32 // BOOL
) callconv(std.os.windows.WINAPI) u32;

proc RegNotifyChangeKeyValue(
    hKey: pointer,  # HKEY
    bWatchSubtree: int32,  # BOOL
    dwNotifyFilter: uint32,  # REG_NOTIFY_FILTER
    hEvent: pointer,  # HANDLE optional
    fAsynchronous: int32  # BOOL
): uint32 {.importc: "RegNotifyChangeKeyValue", stdcall, dynlib: "ADVAPI32.dll".}

pragma(lib, "advapi32");
extern(Windows)
uint RegNotifyChangeKeyValue(
    void* hKey,   // HKEY
    int bWatchSubtree,   // BOOL
    uint dwNotifyFilter,   // REG_NOTIFY_FILTER
    void* hEvent,   // HANDLE optional
    int fAsynchronous   // BOOL
);

ccall((:RegNotifyChangeKeyValue, "ADVAPI32.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Int32, UInt32, Ptr{Cvoid}, Int32),
      hKey, bWatchSubtree, dwNotifyFilter, hEvent, fAsynchronous)
# hKey : HKEY -> Ptr{Cvoid}
# bWatchSubtree : BOOL -> Int32
# dwNotifyFilter : REG_NOTIFY_FILTER -> UInt32
# hEvent : HANDLE optional -> Ptr{Cvoid}
# fAsynchronous : BOOL -> Int32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t RegNotifyChangeKeyValue(
    void* hKey,
    int32_t bWatchSubtree,
    uint32_t dwNotifyFilter,
    void* hEvent,
    int32_t fAsynchronous);
]]
local advapi32 = ffi.load("advapi32")
-- advapi32.RegNotifyChangeKeyValue(hKey, bWatchSubtree, dwNotifyFilter, hEvent, fAsynchronous)
-- hKey : HKEY
-- bWatchSubtree : BOOL
-- dwNotifyFilter : REG_NOTIFY_FILTER
-- hEvent : HANDLE optional
-- fAsynchronous : BOOL
-- 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('ADVAPI32.dll');
const RegNotifyChangeKeyValue = lib.func('__stdcall', 'RegNotifyChangeKeyValue', 'uint32_t', ['void *', 'int32_t', 'uint32_t', 'void *', 'int32_t']);
// RegNotifyChangeKeyValue(hKey, bWatchSubtree, dwNotifyFilter, hEvent, fAsynchronous)
// hKey : HKEY -> 'void *'
// bWatchSubtree : BOOL -> 'int32_t'
// dwNotifyFilter : REG_NOTIFY_FILTER -> 'uint32_t'
// hEvent : HANDLE optional -> 'void *'
// fAsynchronous : BOOL -> '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("ADVAPI32.dll", {
  RegNotifyChangeKeyValue: { parameters: ["pointer", "i32", "u32", "pointer", "i32"], result: "u32" },
});
// lib.symbols.RegNotifyChangeKeyValue(hKey, bWatchSubtree, dwNotifyFilter, hEvent, fAsynchronous)
// hKey : HKEY -> "pointer"
// bWatchSubtree : BOOL -> "i32"
// dwNotifyFilter : REG_NOTIFY_FILTER -> "u32"
// hEvent : HANDLE optional -> "pointer"
// fAsynchronous : BOOL -> "i32"
// 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
uint32_t RegNotifyChangeKeyValue(
    void* hKey,
    int32_t bWatchSubtree,
    uint32_t dwNotifyFilter,
    void* hEvent,
    int32_t fAsynchronous);
C, "ADVAPI32.dll");
// $ffi->RegNotifyChangeKeyValue(hKey, bWatchSubtree, dwNotifyFilter, hEvent, fAsynchronous);
// hKey : HKEY
// bWatchSubtree : BOOL
// dwNotifyFilter : REG_NOTIFY_FILTER
// hEvent : HANDLE optional
// fAsynchronous : BOOL
// 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 Advapi32 extends StdCallLibrary {
    Advapi32 INSTANCE = Native.load("advapi32", Advapi32.class);
    int RegNotifyChangeKeyValue(
        Pointer hKey,   // HKEY
        boolean bWatchSubtree,   // BOOL
        int dwNotifyFilter,   // REG_NOTIFY_FILTER
        Pointer hEvent,   // HANDLE optional
        boolean fAsynchronous   // BOOL
    );
}

@[Link("advapi32")]
lib LibADVAPI32
  fun RegNotifyChangeKeyValue = RegNotifyChangeKeyValue(
    hKey : Void*,   # HKEY
    bWatchSubtree : Int32,   # BOOL
    dwNotifyFilter : UInt32,   # REG_NOTIFY_FILTER
    hEvent : Void*,   # HANDLE optional
    fAsynchronous : Int32   # BOOL
  ) : UInt32
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 RegNotifyChangeKeyValueNative = Uint32 Function(Pointer<Void>, Int32, Uint32, Pointer<Void>, Int32);
typedef RegNotifyChangeKeyValueDart = int Function(Pointer<Void>, int, int, Pointer<Void>, int);
final RegNotifyChangeKeyValue = DynamicLibrary.open('ADVAPI32.dll')
    .lookupFunction<RegNotifyChangeKeyValueNative, RegNotifyChangeKeyValueDart>('RegNotifyChangeKeyValue');
// hKey : HKEY -> Pointer<Void>
// bWatchSubtree : BOOL -> Int32
// dwNotifyFilter : REG_NOTIFY_FILTER -> Uint32
// hEvent : HANDLE optional -> Pointer<Void>
// fAsynchronous : BOOL -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function RegNotifyChangeKeyValue(
  hKey: THandle;   // HKEY
  bWatchSubtree: BOOL;   // BOOL
  dwNotifyFilter: DWORD;   // REG_NOTIFY_FILTER
  hEvent: THandle;   // HANDLE optional
  fAsynchronous: BOOL   // BOOL
): DWORD; stdcall;
  external 'ADVAPI32.dll' name 'RegNotifyChangeKeyValue';

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

foreign import stdcall safe "RegNotifyChangeKeyValue"
  c_RegNotifyChangeKeyValue :: Ptr () -> CInt -> Word32 -> Ptr () -> CInt -> IO Word32
-- hKey : HKEY -> Ptr ()
-- bWatchSubtree : BOOL -> CInt
-- dwNotifyFilter : REG_NOTIFY_FILTER -> Word32
-- hEvent : HANDLE optional -> Ptr ()
-- fAsynchronous : BOOL -> 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 regnotifychangekeyvalue =
  foreign "RegNotifyChangeKeyValue"
    ((ptr void) @-> int32_t @-> uint32_t @-> (ptr void) @-> int32_t @-> returning uint32_t)
(* hKey : HKEY -> (ptr void) *)
(* bWatchSubtree : BOOL -> int32_t *)
(* dwNotifyFilter : REG_NOTIFY_FILTER -> uint32_t *)
(* hEvent : HANDLE optional -> (ptr void) *)
(* fAsynchronous : BOOL -> 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 advapi32 (t "ADVAPI32.dll"))
(cffi:use-foreign-library advapi32)

(cffi:defcfun ("RegNotifyChangeKeyValue" reg-notify-change-key-value :convention :stdcall) :uint32
  (h-key :pointer)   ; HKEY
  (b-watch-subtree :int32)   ; BOOL
  (dw-notify-filter :uint32)   ; REG_NOTIFY_FILTER
  (h-event :pointer)   ; HANDLE optional
  (f-asynchronous :int32))   ; BOOL
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $RegNotifyChangeKeyValue = Win32::API::More->new('ADVAPI32',
    'DWORD RegNotifyChangeKeyValue(HANDLE hKey, BOOL bWatchSubtree, DWORD dwNotifyFilter, HANDLE hEvent, BOOL fAsynchronous)');
# my $ret = $RegNotifyChangeKeyValue->Call($hKey, $bWatchSubtree, $dwNotifyFilter, $hEvent, $fAsynchronous);
# hKey : HKEY -> HANDLE
# bWatchSubtree : BOOL -> BOOL
# dwNotifyFilter : REG_NOTIFY_FILTER -> DWORD
# hEvent : HANDLE optional -> HANDLE
# fAsynchronous : BOOL -> BOOL
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。