SetupDiOpenClassRegKeyExW

// SETUPAPI.dll  (Unicode / -W)
#include <windows.h>

HKEY SetupDiOpenClassRegKeyExW(
    const GUID* ClassGuid,   // optional
    DWORD samDesired,
    DWORD Flags,
    LPCWSTR MachineName,   // optional
    void* Reserved   // optional
);

<DllImport("SETUPAPI.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetupDiOpenClassRegKeyExW(
    ClassGuid As IntPtr,   ' GUID* optional
    samDesired As UInteger,   ' DWORD
    Flags As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> MachineName As String,   ' LPCWSTR optional
    Reserved As IntPtr   ' void* optional
) As IntPtr
End Function

' ClassGuid : GUID* optional
' samDesired : DWORD
' Flags : DWORD
' MachineName : LPCWSTR optional
' Reserved : void* optional
Declare PtrSafe Function SetupDiOpenClassRegKeyExW Lib "setupapi" ( _
    ByVal ClassGuid As LongPtr, _
    ByVal samDesired As Long, _
    ByVal Flags As Long, _
    ByVal MachineName As LongPtr, _
    ByVal Reserved As LongPtr) As LongPtr
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetupDiOpenClassRegKeyExW = ctypes.windll.setupapi.SetupDiOpenClassRegKeyExW
SetupDiOpenClassRegKeyExW.restype = ctypes.c_void_p
SetupDiOpenClassRegKeyExW.argtypes = [
    ctypes.c_void_p,  # ClassGuid : GUID* optional
    wintypes.DWORD,  # samDesired : DWORD
    wintypes.DWORD,  # Flags : DWORD
    wintypes.LPCWSTR,  # MachineName : LPCWSTR optional
    ctypes.POINTER(None),  # Reserved : void* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SETUPAPI.dll')
SetupDiOpenClassRegKeyExW = Fiddle::Function.new(
  lib['SetupDiOpenClassRegKeyExW'],
  [
    Fiddle::TYPE_VOIDP,  # ClassGuid : GUID* optional
    -Fiddle::TYPE_INT,  # samDesired : DWORD
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # MachineName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # Reserved : void* optional
  ],
  Fiddle::TYPE_VOIDP)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "setupapi")]
extern "system" {
    fn SetupDiOpenClassRegKeyExW(
        ClassGuid: *const GUID,  // GUID* optional
        samDesired: u32,  // DWORD
        Flags: u32,  // DWORD
        MachineName: *const u16,  // LPCWSTR optional
        Reserved: *mut ()  // void* optional
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SETUPAPI.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern IntPtr SetupDiOpenClassRegKeyExW(IntPtr ClassGuid, uint samDesired, uint Flags, [MarshalAs(UnmanagedType.LPWStr)] string MachineName, IntPtr Reserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SETUPAPI_SetupDiOpenClassRegKeyExW' -Namespace Win32 -PassThru
# $api::SetupDiOpenClassRegKeyExW(ClassGuid, samDesired, Flags, MachineName, Reserved)

#uselib "SETUPAPI.dll"
#func global SetupDiOpenClassRegKeyExW "SetupDiOpenClassRegKeyExW" wptr, wptr, wptr, wptr, wptr
; SetupDiOpenClassRegKeyExW varptr(ClassGuid), samDesired, Flags, MachineName, Reserved   ; 戻り値は stat
; ClassGuid : GUID* optional -> "wptr"
; samDesired : DWORD -> "wptr"
; Flags : DWORD -> "wptr"
; MachineName : LPCWSTR optional -> "wptr"
; Reserved : void* optional -> "wptr"
; ※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 (
	setupapi = windows.NewLazySystemDLL("SETUPAPI.dll")
	procSetupDiOpenClassRegKeyExW = setupapi.NewProc("SetupDiOpenClassRegKeyExW")
)

// ClassGuid (GUID* optional), samDesired (DWORD), Flags (DWORD), MachineName (LPCWSTR optional), Reserved (void* optional)
r1, _, err := procSetupDiOpenClassRegKeyExW.Call(
	uintptr(ClassGuid),
	uintptr(samDesired),
	uintptr(Flags),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(MachineName))),
	uintptr(Reserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HKEY

function SetupDiOpenClassRegKeyExW(
  ClassGuid: PGUID;   // GUID* optional
  samDesired: DWORD;   // DWORD
  Flags: DWORD;   // DWORD
  MachineName: PWideChar;   // LPCWSTR optional
  Reserved: Pointer   // void* optional
): THandle; stdcall;
  external 'SETUPAPI.dll' name 'SetupDiOpenClassRegKeyExW';

result := DllCall("SETUPAPI\SetupDiOpenClassRegKeyExW"
    , "Ptr", ClassGuid   ; GUID* optional
    , "UInt", samDesired   ; DWORD
    , "UInt", Flags   ; DWORD
    , "WStr", MachineName   ; LPCWSTR optional
    , "Ptr", Reserved   ; void* optional
    , "Ptr")   ; return: HKEY

●SetupDiOpenClassRegKeyExW(ClassGuid, samDesired, Flags, MachineName, Reserved) = DLL("SETUPAPI.dll", "void* SetupDiOpenClassRegKeyExW(void*, dword, dword, char*, void*)")
# 呼び出し: SetupDiOpenClassRegKeyExW(ClassGuid, samDesired, Flags, MachineName, Reserved)
# ClassGuid : GUID* optional -> "void*"
# samDesired : DWORD -> "dword"
# Flags : DWORD -> "dword"
# MachineName : LPCWSTR optional -> "char*"
# Reserved : void* optional -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。

const std = @import("std");

extern "setupapi" fn SetupDiOpenClassRegKeyExW(
    ClassGuid: [*c]GUID, // GUID* optional
    samDesired: u32, // DWORD
    Flags: u32, // DWORD
    MachineName: [*c]const u16, // LPCWSTR optional
    Reserved: ?*anyopaque // void* optional
) callconv(std.os.windows.WINAPI) ?*anyopaque;
// Unicode(-W): UTF-16LE のヌル終端バッファ([*c]const u16)を渡す。

proc SetupDiOpenClassRegKeyExW(
    ClassGuid: ptr GUID,  # GUID* optional
    samDesired: uint32,  # DWORD
    Flags: uint32,  # DWORD
    MachineName: WideCString,  # LPCWSTR optional
    Reserved: pointer  # void* optional
): pointer {.importc: "SetupDiOpenClassRegKeyExW", stdcall, dynlib: "SETUPAPI.dll".}
# Unicode(-W): WideCString は newWideCString("...") で生成。

pragma(lib, "setupapi");
extern(Windows)
void* SetupDiOpenClassRegKeyExW(
    GUID* ClassGuid,   // GUID* optional
    uint samDesired,   // DWORD
    uint Flags,   // DWORD
    const(wchar)* MachineName,   // LPCWSTR optional
    void* Reserved   // void* optional
);

ccall((:SetupDiOpenClassRegKeyExW, "SETUPAPI.dll"), stdcall, Ptr{Cvoid},
      (Ptr{GUID}, UInt32, UInt32, Cwstring, Ptr{Cvoid}),
      ClassGuid, samDesired, Flags, MachineName, Reserved)
# ClassGuid : GUID* optional -> Ptr{GUID}
# samDesired : DWORD -> UInt32
# Flags : DWORD -> UInt32
# MachineName : LPCWSTR optional -> Cwstring
# Reserved : void* optional -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
# Unicode(-W): Cwstring には transcode(UInt16, "...") 等で UTF-16 を渡す。

local ffi = require("ffi")
ffi.cdef[[
void* SetupDiOpenClassRegKeyExW(
    void* ClassGuid,
    uint32_t samDesired,
    uint32_t Flags,
    const uint16_t* MachineName,
    void* Reserved);
]]
local setupapi = ffi.load("setupapi")
-- setupapi.SetupDiOpenClassRegKeyExW(ClassGuid, samDesired, Flags, MachineName, Reserved)
-- ClassGuid : GUID* optional
-- samDesired : DWORD
-- Flags : DWORD
-- MachineName : LPCWSTR optional
-- Reserved : void* 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。
-- Unicode(-W): uint16_t* には UTF-16LE のバッファ(ffi.new("uint16_t[?]", ...))を渡す。

const koffi = require('koffi');
const lib = koffi.load('SETUPAPI.dll');
const SetupDiOpenClassRegKeyExW = lib.func('__stdcall', 'SetupDiOpenClassRegKeyExW', 'void *', ['void *', 'uint32_t', 'uint32_t', 'str16', 'void *']);
// SetupDiOpenClassRegKeyExW(ClassGuid, samDesired, Flags, MachineName, Reserved)
// ClassGuid : GUID* optional -> 'void *'
// samDesired : DWORD -> 'uint32_t'
// Flags : DWORD -> 'uint32_t'
// MachineName : LPCWSTR optional -> 'str16'
// Reserved : void* optional -> '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("SETUPAPI.dll", {
  SetupDiOpenClassRegKeyExW: { parameters: ["pointer", "u32", "u32", "buffer", "pointer"], result: "pointer" },
});
// lib.symbols.SetupDiOpenClassRegKeyExW(ClassGuid, samDesired, Flags, MachineName, Reserved)
// ClassGuid : GUID* optional -> "pointer"
// samDesired : DWORD -> "u32"
// Flags : DWORD -> "u32"
// MachineName : LPCWSTR optional -> "buffer"
// Reserved : void* optional -> "pointer"
// 文字列は "buffer"。Unicode(-W) は new TextEncoder() ではなく UTF-16LE のバイト列(末尾に \x00\x00)を Uint8Array で渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
void* SetupDiOpenClassRegKeyExW(
    void* ClassGuid,
    uint32_t samDesired,
    uint32_t Flags,
    const uint16_t* MachineName,
    void* Reserved);
C, "SETUPAPI.dll");
// $ffi->SetupDiOpenClassRegKeyExW(ClassGuid, samDesired, Flags, MachineName, Reserved);
// ClassGuid : GUID* optional
// samDesired : DWORD
// Flags : DWORD
// MachineName : LPCWSTR optional
// Reserved : void* 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 Setupapi extends StdCallLibrary {
    Setupapi INSTANCE = Native.load("setupapi", Setupapi.class, W32APIOptions.UNICODE_OPTIONS);
    Pointer SetupDiOpenClassRegKeyExW(
        Pointer ClassGuid,   // GUID* optional
        int samDesired,   // DWORD
        int Flags,   // DWORD
        WString MachineName,   // LPCWSTR optional
        Pointer Reserved   // void* optional
    );
}
// Unicode(-W): WString(入力)/char[](出力)で UTF-16 をマーシャリング。

@[Link("setupapi")]
lib LibSETUPAPI
  fun SetupDiOpenClassRegKeyExW = SetupDiOpenClassRegKeyExW(
    ClassGuid : GUID*,   # GUID* optional
    samDesired : UInt32,   # DWORD
    Flags : UInt32,   # DWORD
    MachineName : UInt16*,   # LPCWSTR optional
    Reserved : Void*   # void* optional
  ) : Void*
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 SetupDiOpenClassRegKeyExWNative = Pointer<Void> Function(Pointer<Void>, Uint32, Uint32, Pointer<Utf16>, Pointer<Void>);
typedef SetupDiOpenClassRegKeyExWDart = Pointer<Void> Function(Pointer<Void>, int, int, Pointer<Utf16>, Pointer<Void>);
final SetupDiOpenClassRegKeyExW = DynamicLibrary.open('SETUPAPI.dll')
    .lookupFunction<SetupDiOpenClassRegKeyExWNative, SetupDiOpenClassRegKeyExWDart>('SetupDiOpenClassRegKeyExW');
// ClassGuid : GUID* optional -> Pointer<Void>
// samDesired : DWORD -> Uint32
// Flags : DWORD -> Uint32
// MachineName : LPCWSTR optional -> Pointer<Utf16>
// Reserved : void* optional -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SetupDiOpenClassRegKeyExW(
  ClassGuid: PGUID;   // GUID* optional
  samDesired: DWORD;   // DWORD
  Flags: DWORD;   // DWORD
  MachineName: PWideChar;   // LPCWSTR optional
  Reserved: Pointer   // void* optional
): THandle; stdcall;
  external 'SETUPAPI.dll' name 'SetupDiOpenClassRegKeyExW';

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

foreign import stdcall safe "SetupDiOpenClassRegKeyExW"
  c_SetupDiOpenClassRegKeyExW :: Ptr () -> Word32 -> Word32 -> CWString -> Ptr () -> IO (Ptr ())
-- ClassGuid : GUID* optional -> Ptr ()
-- samDesired : DWORD -> Word32
-- Flags : DWORD -> Word32
-- MachineName : LPCWSTR optional -> CWString
-- Reserved : void* optional -> 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 setupdiopenclassregkeyexw =
  foreign "SetupDiOpenClassRegKeyExW"
    ((ptr void) @-> uint32_t @-> uint32_t @-> (ptr uint16_t) @-> (ptr void) @-> returning (ptr void))
(* ClassGuid : GUID* optional -> (ptr void) *)
(* samDesired : DWORD -> uint32_t *)
(* Flags : DWORD -> uint32_t *)
(* MachineName : LPCWSTR optional -> (ptr uint16_t) *)
(* Reserved : void* optional -> (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 setupapi (t "SETUPAPI.dll"))
(cffi:use-foreign-library setupapi)

(cffi:defcfun ("SetupDiOpenClassRegKeyExW" setup-di-open-class-reg-key-ex-w :convention :stdcall) :pointer
  (class-guid :pointer)   ; GUID* optional
  (sam-desired :uint32)   ; DWORD
  (flags :uint32)   ; DWORD
  (machine-name (:string :encoding :utf-16le))   ; LPCWSTR optional
  (reserved :pointer))   ; void* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SetupDiOpenClassRegKeyExW = Win32::API::More->new('SETUPAPI',
    'HANDLE SetupDiOpenClassRegKeyExW(LPVOID ClassGuid, DWORD samDesired, DWORD Flags, LPCWSTR MachineName, LPVOID Reserved)');
# my $ret = $SetupDiOpenClassRegKeyExW->Call($ClassGuid, $samDesired, $Flags, $MachineName, $Reserved);
# ClassGuid : GUID* optional -> LPVOID
# samDesired : DWORD -> DWORD
# Flags : DWORD -> DWORD
# MachineName : LPCWSTR optional -> LPCWSTR
# Reserved : void* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# Unicode(-W): LPCWSTR/LPWSTR は Win32::API が UTF-16 変換を行う。