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PowerWriteValueUnitsSpecifier

関数
電源設定の値の単位指定子を書き込む。
DLLPOWRPROF.dll呼出規約winapi対応OSWindows Vista 以降
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シグネチャ

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

WIN32_ERROR PowerWriteValueUnitsSpecifier(
    HKEY RootPowerKey,   // optional
    const GUID* SubGroupOfPowerSettingsGuid,   // optional
    const GUID* PowerSettingGuid,   // optional
    BYTE* Buffer,
    DWORD BufferSize
);

パラメーター

名前型方向説明
RootPowerKeyHKEYinoptional電源情報ルートのレジストリキーハンドル。現状は予約でNULLを指定する。
SubGroupOfPowerSettingsGuidGUID*inoptional電源設定サブグループを識別するGUIDへのポインタ。NULL可。
PowerSettingGuidGUID*inoptional対象の個別電源設定を識別するGUIDへのポインタ。
BufferBYTE*in値の単位名(分・%など、UTF-16文字列)を格納したバッファへのポインタ。入力。
BufferSizeDWORDinBufferのバイト数。終端NULを含めた長さを指定する。

戻り値の型: WIN32_ERROR

各言語での呼び出し定義

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

WIN32_ERROR PowerWriteValueUnitsSpecifier(
    HKEY RootPowerKey,   // optional
    const GUID* SubGroupOfPowerSettingsGuid,   // optional
    const GUID* PowerSettingGuid,   // optional
    BYTE* Buffer,
    DWORD BufferSize
);
[DllImport("POWRPROF.dll", ExactSpelling = true)]
static extern uint PowerWriteValueUnitsSpecifier(
    IntPtr RootPowerKey,   // HKEY optional
    IntPtr SubGroupOfPowerSettingsGuid,   // GUID* optional
    IntPtr PowerSettingGuid,   // GUID* optional
    IntPtr Buffer,   // BYTE*
    uint BufferSize   // DWORD
);
<DllImport("POWRPROF.dll", ExactSpelling:=True)>
Public Shared Function PowerWriteValueUnitsSpecifier(
    RootPowerKey As IntPtr,   ' HKEY optional
    SubGroupOfPowerSettingsGuid As IntPtr,   ' GUID* optional
    PowerSettingGuid As IntPtr,   ' GUID* optional
    Buffer As IntPtr,   ' BYTE*
    BufferSize As UInteger   ' DWORD
) As UInteger
End Function
' RootPowerKey : HKEY optional
' SubGroupOfPowerSettingsGuid : GUID* optional
' PowerSettingGuid : GUID* optional
' Buffer : BYTE*
' BufferSize : DWORD
Declare PtrSafe Function PowerWriteValueUnitsSpecifier Lib "powrprof" ( _
    ByVal RootPowerKey As LongPtr, _
    ByVal SubGroupOfPowerSettingsGuid As LongPtr, _
    ByVal PowerSettingGuid As LongPtr, _
    ByVal Buffer As LongPtr, _
    ByVal BufferSize 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

PowerWriteValueUnitsSpecifier = ctypes.windll.powrprof.PowerWriteValueUnitsSpecifier
PowerWriteValueUnitsSpecifier.restype = wintypes.DWORD
PowerWriteValueUnitsSpecifier.argtypes = [
    wintypes.HANDLE,  # RootPowerKey : HKEY optional
    ctypes.c_void_p,  # SubGroupOfPowerSettingsGuid : GUID* optional
    ctypes.c_void_p,  # PowerSettingGuid : GUID* optional
    ctypes.POINTER(ctypes.c_ubyte),  # Buffer : BYTE*
    wintypes.DWORD,  # BufferSize : DWORD
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('POWRPROF.dll')
PowerWriteValueUnitsSpecifier = Fiddle::Function.new(
  lib['PowerWriteValueUnitsSpecifier'],
  [
    Fiddle::TYPE_VOIDP,  # RootPowerKey : HKEY optional
    Fiddle::TYPE_VOIDP,  # SubGroupOfPowerSettingsGuid : GUID* optional
    Fiddle::TYPE_VOIDP,  # PowerSettingGuid : GUID* optional
    Fiddle::TYPE_VOIDP,  # Buffer : BYTE*
    -Fiddle::TYPE_INT,  # BufferSize : DWORD
  ],
  -Fiddle::TYPE_INT)
#[link(name = "powrprof")]
extern "system" {
    fn PowerWriteValueUnitsSpecifier(
        RootPowerKey: *mut core::ffi::c_void,  // HKEY optional
        SubGroupOfPowerSettingsGuid: *const GUID,  // GUID* optional
        PowerSettingGuid: *const GUID,  // GUID* optional
        Buffer: *mut u8,  // BYTE*
        BufferSize: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("POWRPROF.dll")]
public static extern uint PowerWriteValueUnitsSpecifier(IntPtr RootPowerKey, IntPtr SubGroupOfPowerSettingsGuid, IntPtr PowerSettingGuid, IntPtr Buffer, uint BufferSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'POWRPROF_PowerWriteValueUnitsSpecifier' -Namespace Win32 -PassThru
# $api::PowerWriteValueUnitsSpecifier(RootPowerKey, SubGroupOfPowerSettingsGuid, PowerSettingGuid, Buffer, BufferSize)
#uselib "POWRPROF.dll"
#func global PowerWriteValueUnitsSpecifier "PowerWriteValueUnitsSpecifier" sptr, sptr, sptr, sptr, sptr
; PowerWriteValueUnitsSpecifier RootPowerKey, varptr(SubGroupOfPowerSettingsGuid), varptr(PowerSettingGuid), varptr(Buffer), BufferSize   ; 戻り値は stat
; RootPowerKey : HKEY optional -> "sptr"
; SubGroupOfPowerSettingsGuid : GUID* optional -> "sptr"
; PowerSettingGuid : GUID* optional -> "sptr"
; Buffer : BYTE* -> "sptr"
; BufferSize : DWORD -> "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。
出力引数: 
#uselib "POWRPROF.dll"
#cfunc global PowerWriteValueUnitsSpecifier "PowerWriteValueUnitsSpecifier" sptr, var, var, var, int
; res = PowerWriteValueUnitsSpecifier(RootPowerKey, SubGroupOfPowerSettingsGuid, PowerSettingGuid, Buffer, BufferSize)
; RootPowerKey : HKEY optional -> "sptr"
; SubGroupOfPowerSettingsGuid : GUID* optional -> "var"
; PowerSettingGuid : GUID* optional -> "var"
; Buffer : BYTE* -> "var"
; BufferSize : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
出力引数: 
; WIN32_ERROR PowerWriteValueUnitsSpecifier(HKEY RootPowerKey, GUID* SubGroupOfPowerSettingsGuid, GUID* PowerSettingGuid, BYTE* Buffer, DWORD BufferSize)
#uselib "POWRPROF.dll"
#cfunc global PowerWriteValueUnitsSpecifier "PowerWriteValueUnitsSpecifier" intptr, var, var, var, int
; res = PowerWriteValueUnitsSpecifier(RootPowerKey, SubGroupOfPowerSettingsGuid, PowerSettingGuid, Buffer, BufferSize)
; RootPowerKey : HKEY optional -> "intptr"
; SubGroupOfPowerSettingsGuid : GUID* optional -> "var"
; PowerSettingGuid : GUID* optional -> "var"
; Buffer : BYTE* -> "var"
; BufferSize : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	powrprof = windows.NewLazySystemDLL("POWRPROF.dll")
	procPowerWriteValueUnitsSpecifier = powrprof.NewProc("PowerWriteValueUnitsSpecifier")
)

// RootPowerKey (HKEY optional), SubGroupOfPowerSettingsGuid (GUID* optional), PowerSettingGuid (GUID* optional), Buffer (BYTE*), BufferSize (DWORD)
r1, _, err := procPowerWriteValueUnitsSpecifier.Call(
	uintptr(RootPowerKey),
	uintptr(SubGroupOfPowerSettingsGuid),
	uintptr(PowerSettingGuid),
	uintptr(Buffer),
	uintptr(BufferSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // WIN32_ERROR
function PowerWriteValueUnitsSpecifier(
  RootPowerKey: THandle;   // HKEY optional
  SubGroupOfPowerSettingsGuid: PGUID;   // GUID* optional
  PowerSettingGuid: PGUID;   // GUID* optional
  Buffer: Pointer;   // BYTE*
  BufferSize: DWORD   // DWORD
): DWORD; stdcall;
  external 'POWRPROF.dll' name 'PowerWriteValueUnitsSpecifier';
result := DllCall("POWRPROF\PowerWriteValueUnitsSpecifier"
    , "Ptr", RootPowerKey   ; HKEY optional
    , "Ptr", SubGroupOfPowerSettingsGuid   ; GUID* optional
    , "Ptr", PowerSettingGuid   ; GUID* optional
    , "Ptr", Buffer   ; BYTE*
    , "UInt", BufferSize   ; DWORD
    , "UInt")   ; return: WIN32_ERROR
●PowerWriteValueUnitsSpecifier(RootPowerKey, SubGroupOfPowerSettingsGuid, PowerSettingGuid, Buffer, BufferSize) = DLL("POWRPROF.dll", "dword PowerWriteValueUnitsSpecifier(void*, void*, void*, void*, dword)")
# 呼び出し: PowerWriteValueUnitsSpecifier(RootPowerKey, SubGroupOfPowerSettingsGuid, PowerSettingGuid, Buffer, BufferSize)
# RootPowerKey : HKEY optional -> "void*"
# SubGroupOfPowerSettingsGuid : GUID* optional -> "void*"
# PowerSettingGuid : GUID* optional -> "void*"
# Buffer : BYTE* -> "void*"
# BufferSize : DWORD -> "dword"
# 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 "powrprof" fn PowerWriteValueUnitsSpecifier(
    RootPowerKey: ?*anyopaque, // HKEY optional
    SubGroupOfPowerSettingsGuid: [*c]GUID, // GUID* optional
    PowerSettingGuid: [*c]GUID, // GUID* optional
    Buffer: [*c]u8, // BYTE*
    BufferSize: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;
proc PowerWriteValueUnitsSpecifier(
    RootPowerKey: pointer,  # HKEY optional
    SubGroupOfPowerSettingsGuid: ptr GUID,  # GUID* optional
    PowerSettingGuid: ptr GUID,  # GUID* optional
    Buffer: ptr uint8,  # BYTE*
    BufferSize: uint32  # DWORD
): uint32 {.importc: "PowerWriteValueUnitsSpecifier", stdcall, dynlib: "POWRPROF.dll".}
pragma(lib, "powrprof");
extern(Windows)
uint PowerWriteValueUnitsSpecifier(
    void* RootPowerKey,   // HKEY optional
    GUID* SubGroupOfPowerSettingsGuid,   // GUID* optional
    GUID* PowerSettingGuid,   // GUID* optional
    ubyte* Buffer,   // BYTE*
    uint BufferSize   // DWORD
);
ccall((:PowerWriteValueUnitsSpecifier, "POWRPROF.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{GUID}, Ptr{GUID}, Ptr{UInt8}, UInt32),
      RootPowerKey, SubGroupOfPowerSettingsGuid, PowerSettingGuid, Buffer, BufferSize)
# RootPowerKey : HKEY optional -> Ptr{Cvoid}
# SubGroupOfPowerSettingsGuid : GUID* optional -> Ptr{GUID}
# PowerSettingGuid : GUID* optional -> Ptr{GUID}
# Buffer : BYTE* -> Ptr{UInt8}
# BufferSize : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
uint32_t PowerWriteValueUnitsSpecifier(
    void* RootPowerKey,
    void* SubGroupOfPowerSettingsGuid,
    void* PowerSettingGuid,
    uint8_t* Buffer,
    uint32_t BufferSize);
]]
local powrprof = ffi.load("powrprof")
-- powrprof.PowerWriteValueUnitsSpecifier(RootPowerKey, SubGroupOfPowerSettingsGuid, PowerSettingGuid, Buffer, BufferSize)
-- RootPowerKey : HKEY optional
-- SubGroupOfPowerSettingsGuid : GUID* optional
-- PowerSettingGuid : GUID* optional
-- Buffer : BYTE*
-- BufferSize : DWORD
-- 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('POWRPROF.dll');
const PowerWriteValueUnitsSpecifier = lib.func('__stdcall', 'PowerWriteValueUnitsSpecifier', 'uint32_t', ['void *', 'void *', 'void *', 'uint8_t *', 'uint32_t']);
// PowerWriteValueUnitsSpecifier(RootPowerKey, SubGroupOfPowerSettingsGuid, PowerSettingGuid, Buffer, BufferSize)
// RootPowerKey : HKEY optional -> 'void *'
// SubGroupOfPowerSettingsGuid : GUID* optional -> 'void *'
// PowerSettingGuid : GUID* optional -> 'void *'
// Buffer : BYTE* -> 'uint8_t *'
// BufferSize : DWORD -> 'uint32_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("POWRPROF.dll", {
  PowerWriteValueUnitsSpecifier: { parameters: ["pointer", "pointer", "pointer", "pointer", "u32"], result: "u32" },
});
// lib.symbols.PowerWriteValueUnitsSpecifier(RootPowerKey, SubGroupOfPowerSettingsGuid, PowerSettingGuid, Buffer, BufferSize)
// RootPowerKey : HKEY optional -> "pointer"
// SubGroupOfPowerSettingsGuid : GUID* optional -> "pointer"
// PowerSettingGuid : GUID* optional -> "pointer"
// Buffer : BYTE* -> "pointer"
// BufferSize : DWORD -> "u32"
// 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 PowerWriteValueUnitsSpecifier(
    void* RootPowerKey,
    void* SubGroupOfPowerSettingsGuid,
    void* PowerSettingGuid,
    uint8_t* Buffer,
    uint32_t BufferSize);
C, "POWRPROF.dll");
// $ffi->PowerWriteValueUnitsSpecifier(RootPowerKey, SubGroupOfPowerSettingsGuid, PowerSettingGuid, Buffer, BufferSize);
// RootPowerKey : HKEY optional
// SubGroupOfPowerSettingsGuid : GUID* optional
// PowerSettingGuid : GUID* optional
// Buffer : BYTE*
// BufferSize : DWORD
// 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 Powrprof extends StdCallLibrary {
    Powrprof INSTANCE = Native.load("powrprof", Powrprof.class);
    int PowerWriteValueUnitsSpecifier(
        Pointer RootPowerKey,   // HKEY optional
        Pointer SubGroupOfPowerSettingsGuid,   // GUID* optional
        Pointer PowerSettingGuid,   // GUID* optional
        byte[] Buffer,   // BYTE*
        int BufferSize   // DWORD
    );
}
@[Link("powrprof")]
lib LibPOWRPROF
  fun PowerWriteValueUnitsSpecifier = PowerWriteValueUnitsSpecifier(
    RootPowerKey : Void*,   # HKEY optional
    SubGroupOfPowerSettingsGuid : GUID*,   # GUID* optional
    PowerSettingGuid : GUID*,   # GUID* optional
    Buffer : UInt8*,   # BYTE*
    BufferSize : UInt32   # DWORD
  ) : 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 PowerWriteValueUnitsSpecifierNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Uint8>, Uint32);
typedef PowerWriteValueUnitsSpecifierDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Uint8>, int);
final PowerWriteValueUnitsSpecifier = DynamicLibrary.open('POWRPROF.dll')
    .lookupFunction<PowerWriteValueUnitsSpecifierNative, PowerWriteValueUnitsSpecifierDart>('PowerWriteValueUnitsSpecifier');
// RootPowerKey : HKEY optional -> Pointer<Void>
// SubGroupOfPowerSettingsGuid : GUID* optional -> Pointer<Void>
// PowerSettingGuid : GUID* optional -> Pointer<Void>
// Buffer : BYTE* -> Pointer<Uint8>
// BufferSize : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function PowerWriteValueUnitsSpecifier(
  RootPowerKey: THandle;   // HKEY optional
  SubGroupOfPowerSettingsGuid: PGUID;   // GUID* optional
  PowerSettingGuid: PGUID;   // GUID* optional
  Buffer: Pointer;   // BYTE*
  BufferSize: DWORD   // DWORD
): DWORD; stdcall;
  external 'POWRPROF.dll' name 'PowerWriteValueUnitsSpecifier';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "PowerWriteValueUnitsSpecifier"
  c_PowerWriteValueUnitsSpecifier :: Ptr () -> Ptr () -> Ptr () -> Ptr Word8 -> Word32 -> IO Word32
-- RootPowerKey : HKEY optional -> Ptr ()
-- SubGroupOfPowerSettingsGuid : GUID* optional -> Ptr ()
-- PowerSettingGuid : GUID* optional -> Ptr ()
-- Buffer : BYTE* -> Ptr Word8
-- BufferSize : DWORD -> Word32
-- 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 powerwritevalueunitsspecifier =
  foreign "PowerWriteValueUnitsSpecifier"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr uint8_t) @-> uint32_t @-> returning uint32_t)
(* RootPowerKey : HKEY optional -> (ptr void) *)
(* SubGroupOfPowerSettingsGuid : GUID* optional -> (ptr void) *)
(* PowerSettingGuid : GUID* optional -> (ptr void) *)
(* Buffer : BYTE* -> (ptr uint8_t) *)
(* BufferSize : DWORD -> uint32_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 powrprof (t "POWRPROF.dll"))
(cffi:use-foreign-library powrprof)

(cffi:defcfun ("PowerWriteValueUnitsSpecifier" power-write-value-units-specifier :convention :stdcall) :uint32
  (root-power-key :pointer)   ; HKEY optional
  (sub-group-of-power-settings-guid :pointer)   ; GUID* optional
  (power-setting-guid :pointer)   ; GUID* optional
  (buffer :pointer)   ; BYTE*
  (buffer-size :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $PowerWriteValueUnitsSpecifier = Win32::API::More->new('POWRPROF',
    'DWORD PowerWriteValueUnitsSpecifier(HANDLE RootPowerKey, LPVOID SubGroupOfPowerSettingsGuid, LPVOID PowerSettingGuid, LPVOID Buffer, DWORD BufferSize)');
# my $ret = $PowerWriteValueUnitsSpecifier->Call($RootPowerKey, $SubGroupOfPowerSettingsGuid, $PowerSettingGuid, $Buffer, $BufferSize);
# RootPowerKey : HKEY optional -> HANDLE
# SubGroupOfPowerSettingsGuid : GUID* optional -> LPVOID
# PowerSettingGuid : GUID* optional -> LPVOID
# Buffer : BYTE* -> LPVOID
# BufferSize : DWORD -> DWORD
# 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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