PowerOpenSystemPowerKey

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

DWORD PowerOpenSystemPowerKey(
    HKEY* phSystemPowerKey,
    DWORD Access,
    BOOL OpenExisting
);

<DllImport("POWRPROF.dll", ExactSpelling:=True)>
Public Shared Function PowerOpenSystemPowerKey(
    phSystemPowerKey As IntPtr,   ' HKEY* out
    Access As UInteger,   ' DWORD
    OpenExisting As Boolean   ' BOOL
) As UInteger
End Function

' phSystemPowerKey : HKEY* out
' Access : DWORD
' OpenExisting : BOOL
Declare PtrSafe Function PowerOpenSystemPowerKey Lib "powrprof" ( _
    ByVal phSystemPowerKey As LongPtr, _
    ByVal Access As Long, _
    ByVal OpenExisting 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

PowerOpenSystemPowerKey = ctypes.windll.powrprof.PowerOpenSystemPowerKey
PowerOpenSystemPowerKey.restype = wintypes.DWORD
PowerOpenSystemPowerKey.argtypes = [
    ctypes.c_void_p,  # phSystemPowerKey : HKEY* out
    wintypes.DWORD,  # Access : DWORD
    wintypes.BOOL,  # OpenExisting : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('POWRPROF.dll')
PowerOpenSystemPowerKey = Fiddle::Function.new(
  lib['PowerOpenSystemPowerKey'],
  [
    Fiddle::TYPE_VOIDP,  # phSystemPowerKey : HKEY* out
    -Fiddle::TYPE_INT,  # Access : DWORD
    Fiddle::TYPE_INT,  # OpenExisting : BOOL
  ],
  -Fiddle::TYPE_INT)

#[link(name = "powrprof")]
extern "system" {
    fn PowerOpenSystemPowerKey(
        phSystemPowerKey: *mut *mut core::ffi::c_void,  // HKEY* out
        Access: u32,  // DWORD
        OpenExisting: i32  // BOOL
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("POWRPROF.dll")]
public static extern uint PowerOpenSystemPowerKey(IntPtr phSystemPowerKey, uint Access, bool OpenExisting);
"@
$api = Add-Type -MemberDefinition $sig -Name 'POWRPROF_PowerOpenSystemPowerKey' -Namespace Win32 -PassThru
# $api::PowerOpenSystemPowerKey(phSystemPowerKey, Access, OpenExisting)

#uselib "POWRPROF.dll"
#func global PowerOpenSystemPowerKey "PowerOpenSystemPowerKey" sptr, sptr, sptr
; PowerOpenSystemPowerKey phSystemPowerKey, Access, OpenExisting   ; 戻り値は stat
; phSystemPowerKey : HKEY* out -> "sptr"
; Access : DWORD -> "sptr"
; OpenExisting : 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 "POWRPROF.dll"
#cfunc global PowerOpenSystemPowerKey "PowerOpenSystemPowerKey" sptr, int, int
; res = PowerOpenSystemPowerKey(phSystemPowerKey, Access, OpenExisting)
; phSystemPowerKey : HKEY* out -> "sptr"
; Access : DWORD -> "int"
; OpenExisting : BOOL -> "int"

; DWORD PowerOpenSystemPowerKey(HKEY* phSystemPowerKey, DWORD Access, BOOL OpenExisting)
#uselib "POWRPROF.dll"
#cfunc global PowerOpenSystemPowerKey "PowerOpenSystemPowerKey" intptr, int, int
; res = PowerOpenSystemPowerKey(phSystemPowerKey, Access, OpenExisting)
; phSystemPowerKey : HKEY* out -> "intptr"
; Access : DWORD -> "int"
; OpenExisting : BOOL -> "int"

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

var (
	powrprof = windows.NewLazySystemDLL("POWRPROF.dll")
	procPowerOpenSystemPowerKey = powrprof.NewProc("PowerOpenSystemPowerKey")
)

// phSystemPowerKey (HKEY* out), Access (DWORD), OpenExisting (BOOL)
r1, _, err := procPowerOpenSystemPowerKey.Call(
	uintptr(phSystemPowerKey),
	uintptr(Access),
	uintptr(OpenExisting),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PowerOpenSystemPowerKey(
  phSystemPowerKey: Pointer;   // HKEY* out
  Access: DWORD;   // DWORD
  OpenExisting: BOOL   // BOOL
): DWORD; stdcall;
  external 'POWRPROF.dll' name 'PowerOpenSystemPowerKey';

result := DllCall("POWRPROF\PowerOpenSystemPowerKey"
    , "Ptr", phSystemPowerKey   ; HKEY* out
    , "UInt", Access   ; DWORD
    , "Int", OpenExisting   ; BOOL
    , "UInt")   ; return: DWORD

●PowerOpenSystemPowerKey(phSystemPowerKey, Access, OpenExisting) = DLL("POWRPROF.dll", "dword PowerOpenSystemPowerKey(void*, dword, bool)")
# 呼び出し: PowerOpenSystemPowerKey(phSystemPowerKey, Access, OpenExisting)
# phSystemPowerKey : HKEY* out -> "void*"
# Access : DWORD -> "dword"
# OpenExisting : 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)。