ClusterRegDeleteKeyEx

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

INT ClusterRegDeleteKeyEx(
    HKEY hKey,
    LPCWSTR lpSubKey,
    LPCWSTR lpszReason   // optional
);

<DllImport("CLUSAPI.dll", ExactSpelling:=True)>
Public Shared Function ClusterRegDeleteKeyEx(
    hKey As IntPtr,   ' HKEY
    <MarshalAs(UnmanagedType.LPWStr)> lpSubKey As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpszReason As String   ' LPCWSTR optional
) As Integer
End Function

' hKey : HKEY
' lpSubKey : LPCWSTR
' lpszReason : LPCWSTR optional
Declare PtrSafe Function ClusterRegDeleteKeyEx Lib "clusapi" ( _
    ByVal hKey As LongPtr, _
    ByVal lpSubKey As LongPtr, _
    ByVal lpszReason 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

ClusterRegDeleteKeyEx = ctypes.windll.clusapi.ClusterRegDeleteKeyEx
ClusterRegDeleteKeyEx.restype = ctypes.c_int
ClusterRegDeleteKeyEx.argtypes = [
    wintypes.HANDLE,  # hKey : HKEY
    wintypes.LPCWSTR,  # lpSubKey : LPCWSTR
    wintypes.LPCWSTR,  # lpszReason : LPCWSTR optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CLUSAPI.dll')
ClusterRegDeleteKeyEx = Fiddle::Function.new(
  lib['ClusterRegDeleteKeyEx'],
  [
    Fiddle::TYPE_VOIDP,  # hKey : HKEY
    Fiddle::TYPE_VOIDP,  # lpSubKey : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpszReason : LPCWSTR optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "clusapi")]
extern "system" {
    fn ClusterRegDeleteKeyEx(
        hKey: *mut core::ffi::c_void,  // HKEY
        lpSubKey: *const u16,  // LPCWSTR
        lpszReason: *const u16  // LPCWSTR optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CLUSAPI.dll")]
public static extern int ClusterRegDeleteKeyEx(IntPtr hKey, [MarshalAs(UnmanagedType.LPWStr)] string lpSubKey, [MarshalAs(UnmanagedType.LPWStr)] string lpszReason);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CLUSAPI_ClusterRegDeleteKeyEx' -Namespace Win32 -PassThru
# $api::ClusterRegDeleteKeyEx(hKey, lpSubKey, lpszReason)

#uselib "CLUSAPI.dll"
#func global ClusterRegDeleteKeyEx "ClusterRegDeleteKeyEx" sptr, sptr, sptr
; ClusterRegDeleteKeyEx hKey, lpSubKey, lpszReason   ; 戻り値は stat
; hKey : HKEY -> "sptr"
; lpSubKey : LPCWSTR -> "sptr"
; lpszReason : LPCWSTR optional -> "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 "CLUSAPI.dll"
#cfunc global ClusterRegDeleteKeyEx "ClusterRegDeleteKeyEx" sptr, wstr, wstr
; res = ClusterRegDeleteKeyEx(hKey, lpSubKey, lpszReason)
; hKey : HKEY -> "sptr"
; lpSubKey : LPCWSTR -> "wstr"
; lpszReason : LPCWSTR optional -> "wstr"

; INT ClusterRegDeleteKeyEx(HKEY hKey, LPCWSTR lpSubKey, LPCWSTR lpszReason)
#uselib "CLUSAPI.dll"
#cfunc global ClusterRegDeleteKeyEx "ClusterRegDeleteKeyEx" intptr, wstr, wstr
; res = ClusterRegDeleteKeyEx(hKey, lpSubKey, lpszReason)
; hKey : HKEY -> "intptr"
; lpSubKey : LPCWSTR -> "wstr"
; lpszReason : LPCWSTR optional -> "wstr"

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

var (
	clusapi = windows.NewLazySystemDLL("CLUSAPI.dll")
	procClusterRegDeleteKeyEx = clusapi.NewProc("ClusterRegDeleteKeyEx")
)

// hKey (HKEY), lpSubKey (LPCWSTR), lpszReason (LPCWSTR optional)
r1, _, err := procClusterRegDeleteKeyEx.Call(
	uintptr(hKey),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpSubKey))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszReason))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function ClusterRegDeleteKeyEx(
  hKey: THandle;   // HKEY
  lpSubKey: PWideChar;   // LPCWSTR
  lpszReason: PWideChar   // LPCWSTR optional
): Integer; stdcall;
  external 'CLUSAPI.dll' name 'ClusterRegDeleteKeyEx';

result := DllCall("CLUSAPI\ClusterRegDeleteKeyEx"
    , "Ptr", hKey   ; HKEY
    , "WStr", lpSubKey   ; LPCWSTR
    , "WStr", lpszReason   ; LPCWSTR optional
    , "Int")   ; return: INT

●ClusterRegDeleteKeyEx(hKey, lpSubKey, lpszReason) = DLL("CLUSAPI.dll", "int ClusterRegDeleteKeyEx(void*, char*, char*)")
# 呼び出し: ClusterRegDeleteKeyEx(hKey, lpSubKey, lpszReason)
# hKey : HKEY -> "void*"
# lpSubKey : LPCWSTR -> "char*"
# lpszReason : LPCWSTR optional -> "char*"
# 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 "clusapi" fn ClusterRegDeleteKeyEx(
    hKey: ?*anyopaque, // HKEY
    lpSubKey: [*c]const u16, // LPCWSTR
    lpszReason: [*c]const u16 // LPCWSTR optional
) callconv(std.os.windows.WINAPI) i32;

proc ClusterRegDeleteKeyEx(
    hKey: pointer,  # HKEY
    lpSubKey: WideCString,  # LPCWSTR
    lpszReason: WideCString  # LPCWSTR optional
): int32 {.importc: "ClusterRegDeleteKeyEx", stdcall, dynlib: "CLUSAPI.dll".}

pragma(lib, "clusapi");
extern(Windows)
int ClusterRegDeleteKeyEx(
    void* hKey,   // HKEY
    const(wchar)* lpSubKey,   // LPCWSTR
    const(wchar)* lpszReason   // LPCWSTR optional
);

ccall((:ClusterRegDeleteKeyEx, "CLUSAPI.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Cwstring, Cwstring),
      hKey, lpSubKey, lpszReason)
# hKey : HKEY -> Ptr{Cvoid}
# lpSubKey : LPCWSTR -> Cwstring
# lpszReason : LPCWSTR optional -> Cwstring
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t ClusterRegDeleteKeyEx(
    void* hKey,
    const uint16_t* lpSubKey,
    const uint16_t* lpszReason);
]]
local clusapi = ffi.load("clusapi")
-- clusapi.ClusterRegDeleteKeyEx(hKey, lpSubKey, lpszReason)
-- hKey : HKEY
-- lpSubKey : LPCWSTR
-- lpszReason : LPCWSTR optional
-- 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('CLUSAPI.dll');
const ClusterRegDeleteKeyEx = lib.func('__stdcall', 'ClusterRegDeleteKeyEx', 'int32_t', ['void *', 'str16', 'str16']);
// ClusterRegDeleteKeyEx(hKey, lpSubKey, lpszReason)
// hKey : HKEY -> 'void *'
// lpSubKey : LPCWSTR -> 'str16'
// lpszReason : LPCWSTR optional -> 'str16'
// 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("CLUSAPI.dll", {
  ClusterRegDeleteKeyEx: { parameters: ["pointer", "buffer", "buffer"], result: "i32" },
});
// lib.symbols.ClusterRegDeleteKeyEx(hKey, lpSubKey, lpszReason)
// hKey : HKEY -> "pointer"
// lpSubKey : LPCWSTR -> "buffer"
// lpszReason : LPCWSTR optional -> "buffer"
// 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 ClusterRegDeleteKeyEx(
    void* hKey,
    const uint16_t* lpSubKey,
    const uint16_t* lpszReason);
C, "CLUSAPI.dll");
// $ffi->ClusterRegDeleteKeyEx(hKey, lpSubKey, lpszReason);
// hKey : HKEY
// lpSubKey : LPCWSTR
// lpszReason : LPCWSTR optional
// 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 Clusapi extends StdCallLibrary {
    Clusapi INSTANCE = Native.load("clusapi", Clusapi.class);
    int ClusterRegDeleteKeyEx(
        Pointer hKey,   // HKEY
        WString lpSubKey,   // LPCWSTR
        WString lpszReason   // LPCWSTR optional
    );
}

@[Link("clusapi")]
lib LibCLUSAPI
  fun ClusterRegDeleteKeyEx = ClusterRegDeleteKeyEx(
    hKey : Void*,   # HKEY
    lpSubKey : UInt16*,   # LPCWSTR
    lpszReason : UInt16*   # LPCWSTR optional
  ) : 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 ClusterRegDeleteKeyExNative = Int32 Function(Pointer<Void>, Pointer<Utf16>, Pointer<Utf16>);
typedef ClusterRegDeleteKeyExDart = int Function(Pointer<Void>, Pointer<Utf16>, Pointer<Utf16>);
final ClusterRegDeleteKeyEx = DynamicLibrary.open('CLUSAPI.dll')
    .lookupFunction<ClusterRegDeleteKeyExNative, ClusterRegDeleteKeyExDart>('ClusterRegDeleteKeyEx');
// hKey : HKEY -> Pointer<Void>
// lpSubKey : LPCWSTR -> Pointer<Utf16>
// lpszReason : LPCWSTR optional -> Pointer<Utf16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ClusterRegDeleteKeyEx(
  hKey: THandle;   // HKEY
  lpSubKey: PWideChar;   // LPCWSTR
  lpszReason: PWideChar   // LPCWSTR optional
): Integer; stdcall;
  external 'CLUSAPI.dll' name 'ClusterRegDeleteKeyEx';

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

foreign import stdcall safe "ClusterRegDeleteKeyEx"
  c_ClusterRegDeleteKeyEx :: Ptr () -> CWString -> CWString -> IO Int32
-- hKey : HKEY -> Ptr ()
-- lpSubKey : LPCWSTR -> CWString
-- lpszReason : LPCWSTR optional -> CWString
-- 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 clusterregdeletekeyex =
  foreign "ClusterRegDeleteKeyEx"
    ((ptr void) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> returning int32_t)
(* hKey : HKEY -> (ptr void) *)
(* lpSubKey : LPCWSTR -> (ptr uint16_t) *)
(* lpszReason : LPCWSTR optional -> (ptr uint16_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 clusapi (t "CLUSAPI.dll"))
(cffi:use-foreign-library clusapi)

(cffi:defcfun ("ClusterRegDeleteKeyEx" cluster-reg-delete-key-ex :convention :stdcall) :int32
  (h-key :pointer)   ; HKEY
  (lp-sub-key (:string :encoding :utf-16le))   ; LPCWSTR
  (lpsz-reason (:string :encoding :utf-16le)))   ; LPCWSTR optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ClusterRegDeleteKeyEx = Win32::API::More->new('CLUSAPI',
    'int ClusterRegDeleteKeyEx(HANDLE hKey, LPCWSTR lpSubKey, LPCWSTR lpszReason)');
# my $ret = $ClusterRegDeleteKeyEx->Call($hKey, $lpSubKey, $lpszReason);
# hKey : HKEY -> HANDLE
# lpSubKey : LPCWSTR -> LPCWSTR
# lpszReason : LPCWSTR optional -> LPCWSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。