Win32 API 日本語リファレンス
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RegConnectRegistryExA

関数
フラグ指定でリモートのレジストリキーに接続する。
DLLADVAPI32.dll文字セットANSI (-A)呼出規約winapi

シグネチャ

// ADVAPI32.dll  (ANSI / -A)
#include <windows.h>

INT RegConnectRegistryExA(
    LPCSTR lpMachineName,   // optional
    HKEY hKey,
    DWORD Flags,
    HKEY* phkResult
);

パラメーター

名前方向説明
lpMachineNameLPCSTRinoptional接続先リモートコンピュータ名(ANSI文字列)。NULLでローカルコンピュータを指す。
hKeyHKEYinリモートで開く事前定義キー。HKEY_LOCAL_MACHINEまたはHKEY_USERSのみ可。
FlagsDWORDin接続時のオプションを示すフラグ。レジストリビュー(32/64ビット)選択等に用いる。
phkResultHKEY*out開いたリモートキーのハンドルを受け取るHKEYへのポインタ。出力。

戻り値の型: INT

各言語での呼び出し定義

// ADVAPI32.dll  (ANSI / -A)
#include <windows.h>

INT RegConnectRegistryExA(
    LPCSTR lpMachineName,   // optional
    HKEY hKey,
    DWORD Flags,
    HKEY* phkResult
);
[DllImport("ADVAPI32.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern int RegConnectRegistryExA(
    [MarshalAs(UnmanagedType.LPStr)] string lpMachineName,   // LPCSTR optional
    IntPtr hKey,   // HKEY
    uint Flags,   // DWORD
    IntPtr phkResult   // HKEY* out
);
<DllImport("ADVAPI32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function RegConnectRegistryExA(
    <MarshalAs(UnmanagedType.LPStr)> lpMachineName As String,   ' LPCSTR optional
    hKey As IntPtr,   ' HKEY
    Flags As UInteger,   ' DWORD
    phkResult As IntPtr   ' HKEY* out
) As Integer
End Function
' lpMachineName : LPCSTR optional
' hKey : HKEY
' Flags : DWORD
' phkResult : HKEY* out
Declare PtrSafe Function RegConnectRegistryExA Lib "advapi32" ( _
    ByVal lpMachineName As String, _
    ByVal hKey As LongPtr, _
    ByVal Flags As Long, _
    ByVal phkResult 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

RegConnectRegistryExA = ctypes.windll.advapi32.RegConnectRegistryExA
RegConnectRegistryExA.restype = ctypes.c_int
RegConnectRegistryExA.argtypes = [
    wintypes.LPCSTR,  # lpMachineName : LPCSTR optional
    wintypes.HANDLE,  # hKey : HKEY
    wintypes.DWORD,  # Flags : DWORD
    ctypes.c_void_p,  # phkResult : HKEY* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
RegConnectRegistryExA = Fiddle::Function.new(
  lib['RegConnectRegistryExA'],
  [
    Fiddle::TYPE_VOIDP,  # lpMachineName : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # hKey : HKEY
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # phkResult : HKEY* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "advapi32")]
extern "system" {
    fn RegConnectRegistryExA(
        lpMachineName: *const u8,  // LPCSTR optional
        hKey: *mut core::ffi::c_void,  // HKEY
        Flags: u32,  // DWORD
        phkResult: *mut *mut core::ffi::c_void  // HKEY* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("ADVAPI32.dll", CharSet = CharSet.Ansi)]
public static extern int RegConnectRegistryExA([MarshalAs(UnmanagedType.LPStr)] string lpMachineName, IntPtr hKey, uint Flags, IntPtr phkResult);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_RegConnectRegistryExA' -Namespace Win32 -PassThru
# $api::RegConnectRegistryExA(lpMachineName, hKey, Flags, phkResult)
#uselib "ADVAPI32.dll"
#func global RegConnectRegistryExA "RegConnectRegistryExA" sptr, sptr, sptr, sptr
; RegConnectRegistryExA lpMachineName, hKey, Flags, phkResult   ; 戻り値は stat
; lpMachineName : LPCSTR optional -> "sptr"
; hKey : HKEY -> "sptr"
; Flags : DWORD -> "sptr"
; phkResult : HKEY* 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。
#uselib "ADVAPI32.dll"
#cfunc global RegConnectRegistryExA "RegConnectRegistryExA" str, sptr, int, sptr
; res = RegConnectRegistryExA(lpMachineName, hKey, Flags, phkResult)
; lpMachineName : LPCSTR optional -> "str"
; hKey : HKEY -> "sptr"
; Flags : DWORD -> "int"
; phkResult : HKEY* out -> "sptr"
; INT RegConnectRegistryExA(LPCSTR lpMachineName, HKEY hKey, DWORD Flags, HKEY* phkResult)
#uselib "ADVAPI32.dll"
#cfunc global RegConnectRegistryExA "RegConnectRegistryExA" str, intptr, int, intptr
; res = RegConnectRegistryExA(lpMachineName, hKey, Flags, phkResult)
; lpMachineName : LPCSTR optional -> "str"
; hKey : HKEY -> "intptr"
; Flags : DWORD -> "int"
; phkResult : HKEY* out -> "intptr"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procRegConnectRegistryExA = advapi32.NewProc("RegConnectRegistryExA")
)

// lpMachineName (LPCSTR optional), hKey (HKEY), Flags (DWORD), phkResult (HKEY* out)
r1, _, err := procRegConnectRegistryExA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpMachineName))),
	uintptr(hKey),
	uintptr(Flags),
	uintptr(phkResult),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT
function RegConnectRegistryExA(
  lpMachineName: PAnsiChar;   // LPCSTR optional
  hKey: THandle;   // HKEY
  Flags: DWORD;   // DWORD
  phkResult: Pointer   // HKEY* out
): Integer; stdcall;
  external 'ADVAPI32.dll' name 'RegConnectRegistryExA';
result := DllCall("ADVAPI32\RegConnectRegistryExA"
    , "AStr", lpMachineName   ; LPCSTR optional
    , "Ptr", hKey   ; HKEY
    , "UInt", Flags   ; DWORD
    , "Ptr", phkResult   ; HKEY* out
    , "Int")   ; return: INT
●RegConnectRegistryExA(lpMachineName, hKey, Flags, phkResult) = DLL("ADVAPI32.dll", "int RegConnectRegistryExA(char*, void*, dword, void*)")
# 呼び出し: RegConnectRegistryExA(lpMachineName, hKey, Flags, phkResult)
# lpMachineName : LPCSTR optional -> "char*"
# hKey : HKEY -> "void*"
# Flags : DWORD -> "dword"
# phkResult : HKEY* 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 "advapi32" fn RegConnectRegistryExA(
    lpMachineName: [*c]const u8, // LPCSTR optional
    hKey: ?*anyopaque, // HKEY
    Flags: u32, // DWORD
    phkResult: ?*anyopaque // HKEY* out
) callconv(std.os.windows.WINAPI) i32;
proc RegConnectRegistryExA(
    lpMachineName: cstring,  # LPCSTR optional
    hKey: pointer,  # HKEY
    Flags: uint32,  # DWORD
    phkResult: pointer  # HKEY* out
): int32 {.importc: "RegConnectRegistryExA", stdcall, dynlib: "ADVAPI32.dll".}
pragma(lib, "advapi32");
extern(Windows)
int RegConnectRegistryExA(
    const(char)* lpMachineName,   // LPCSTR optional
    void* hKey,   // HKEY
    uint Flags,   // DWORD
    void* phkResult   // HKEY* out
);
ccall((:RegConnectRegistryExA, "ADVAPI32.dll"), stdcall, Int32,
      (Cstring, Ptr{Cvoid}, UInt32, Ptr{Cvoid}),
      lpMachineName, hKey, Flags, phkResult)
# lpMachineName : LPCSTR optional -> Cstring
# hKey : HKEY -> Ptr{Cvoid}
# Flags : DWORD -> UInt32
# phkResult : HKEY* out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t RegConnectRegistryExA(
    const char* lpMachineName,
    void* hKey,
    uint32_t Flags,
    void* phkResult);
]]
local advapi32 = ffi.load("advapi32")
-- advapi32.RegConnectRegistryExA(lpMachineName, hKey, Flags, phkResult)
-- lpMachineName : LPCSTR optional
-- hKey : HKEY
-- Flags : DWORD
-- phkResult : HKEY* 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('ADVAPI32.dll');
const RegConnectRegistryExA = lib.func('__stdcall', 'RegConnectRegistryExA', 'int32_t', ['str', 'void *', 'uint32_t', 'void *']);
// RegConnectRegistryExA(lpMachineName, hKey, Flags, phkResult)
// lpMachineName : LPCSTR optional -> 'str'
// hKey : HKEY -> 'void *'
// Flags : DWORD -> 'uint32_t'
// phkResult : HKEY* out -> '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("ADVAPI32.dll", {
  RegConnectRegistryExA: { parameters: ["buffer", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.RegConnectRegistryExA(lpMachineName, hKey, Flags, phkResult)
// lpMachineName : LPCSTR optional -> "buffer"
// hKey : HKEY -> "pointer"
// Flags : DWORD -> "u32"
// phkResult : HKEY* out -> "pointer"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t RegConnectRegistryExA(
    const char* lpMachineName,
    void* hKey,
    uint32_t Flags,
    void* phkResult);
C, "ADVAPI32.dll");
// $ffi->RegConnectRegistryExA(lpMachineName, hKey, Flags, phkResult);
// lpMachineName : LPCSTR optional
// hKey : HKEY
// Flags : DWORD
// phkResult : HKEY* 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 Advapi32 extends StdCallLibrary {
    Advapi32 INSTANCE = Native.load("advapi32", Advapi32.class, W32APIOptions.ASCII_OPTIONS);
    int RegConnectRegistryExA(
        String lpMachineName,   // LPCSTR optional
        Pointer hKey,   // HKEY
        int Flags,   // DWORD
        Pointer phkResult   // HKEY* out
    );
}
@[Link("advapi32")]
lib LibADVAPI32
  fun RegConnectRegistryExA = RegConnectRegistryExA(
    lpMachineName : UInt8*,   # LPCSTR optional
    hKey : Void*,   # HKEY
    Flags : UInt32,   # DWORD
    phkResult : Void*   # HKEY* 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 RegConnectRegistryExANative = Int32 Function(Pointer<Utf8>, Pointer<Void>, Uint32, Pointer<Void>);
typedef RegConnectRegistryExADart = int Function(Pointer<Utf8>, Pointer<Void>, int, Pointer<Void>);
final RegConnectRegistryExA = DynamicLibrary.open('ADVAPI32.dll')
    .lookupFunction<RegConnectRegistryExANative, RegConnectRegistryExADart>('RegConnectRegistryExA');
// lpMachineName : LPCSTR optional -> Pointer<Utf8>
// hKey : HKEY -> Pointer<Void>
// Flags : DWORD -> Uint32
// phkResult : HKEY* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function RegConnectRegistryExA(
  lpMachineName: PAnsiChar;   // LPCSTR optional
  hKey: THandle;   // HKEY
  Flags: DWORD;   // DWORD
  phkResult: Pointer   // HKEY* out
): Integer; stdcall;
  external 'ADVAPI32.dll' name 'RegConnectRegistryExA';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "RegConnectRegistryExA"
  c_RegConnectRegistryExA :: CString -> Ptr () -> Word32 -> Ptr () -> IO Int32
-- lpMachineName : LPCSTR optional -> CString
-- hKey : HKEY -> Ptr ()
-- Flags : DWORD -> Word32
-- phkResult : HKEY* out -> 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 regconnectregistryexa =
  foreign "RegConnectRegistryExA"
    (string @-> (ptr void) @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* lpMachineName : LPCSTR optional -> string *)
(* hKey : HKEY -> (ptr void) *)
(* Flags : DWORD -> uint32_t *)
(* phkResult : HKEY* out -> (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 advapi32 (t "ADVAPI32.dll"))
(cffi:use-foreign-library advapi32)

(cffi:defcfun ("RegConnectRegistryExA" reg-connect-registry-ex-a :convention :stdcall) :int32
  (lp-machine-name :string)   ; LPCSTR optional
  (h-key :pointer)   ; HKEY
  (flags :uint32)   ; DWORD
  (phk-result :pointer))   ; HKEY* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $RegConnectRegistryExA = Win32::API::More->new('ADVAPI32',
    'int RegConnectRegistryExA(LPCSTR lpMachineName, HANDLE hKey, DWORD Flags, HANDLE phkResult)');
# my $ret = $RegConnectRegistryExA->Call($lpMachineName, $hKey, $Flags, $phkResult);
# lpMachineName : LPCSTR optional -> LPCSTR
# hKey : HKEY -> HANDLE
# Flags : DWORD -> DWORD
# phkResult : HKEY* out -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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