PowerGetUserConfiguredDCPowerMode

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

DWORD PowerGetUserConfiguredDCPowerMode(
    GUID* PowerModeGuid
);

<DllImport("POWRPROF.dll", ExactSpelling:=True)>
Public Shared Function PowerGetUserConfiguredDCPowerMode(
    <Out> ByRef PowerModeGuid As Guid   ' GUID* out
) As UInteger
End Function

' PowerModeGuid : GUID* out
Declare PtrSafe Function PowerGetUserConfiguredDCPowerMode Lib "powrprof" ( _
    ByVal PowerModeGuid 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

PowerGetUserConfiguredDCPowerMode = ctypes.windll.powrprof.PowerGetUserConfiguredDCPowerMode
PowerGetUserConfiguredDCPowerMode.restype = wintypes.DWORD
PowerGetUserConfiguredDCPowerMode.argtypes = [
    ctypes.c_void_p,  # PowerModeGuid : GUID* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('POWRPROF.dll')
PowerGetUserConfiguredDCPowerMode = Fiddle::Function.new(
  lib['PowerGetUserConfiguredDCPowerMode'],
  [
    Fiddle::TYPE_VOIDP,  # PowerModeGuid : GUID* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "powrprof")]
extern "system" {
    fn PowerGetUserConfiguredDCPowerMode(
        PowerModeGuid: *mut GUID  // GUID* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("POWRPROF.dll")]
public static extern uint PowerGetUserConfiguredDCPowerMode(out Guid PowerModeGuid);
"@
$api = Add-Type -MemberDefinition $sig -Name 'POWRPROF_PowerGetUserConfiguredDCPowerMode' -Namespace Win32 -PassThru
# $api::PowerGetUserConfiguredDCPowerMode(PowerModeGuid)

#uselib "POWRPROF.dll"
#func global PowerGetUserConfiguredDCPowerMode "PowerGetUserConfiguredDCPowerMode" sptr
; PowerGetUserConfiguredDCPowerMode varptr(PowerModeGuid)   ; 戻り値は stat
; PowerModeGuid : GUID* 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。

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

var (
	powrprof = windows.NewLazySystemDLL("POWRPROF.dll")
	procPowerGetUserConfiguredDCPowerMode = powrprof.NewProc("PowerGetUserConfiguredDCPowerMode")
)

// PowerModeGuid (GUID* out)
r1, _, err := procPowerGetUserConfiguredDCPowerMode.Call(
	uintptr(PowerModeGuid),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PowerGetUserConfiguredDCPowerMode(
  PowerModeGuid: PGUID   // GUID* out
): DWORD; stdcall;
  external 'POWRPROF.dll' name 'PowerGetUserConfiguredDCPowerMode';

result := DllCall("POWRPROF\PowerGetUserConfiguredDCPowerMode"
    , "Ptr", PowerModeGuid   ; GUID* out
    , "UInt")   ; return: DWORD

●PowerGetUserConfiguredDCPowerMode(PowerModeGuid) = DLL("POWRPROF.dll", "dword PowerGetUserConfiguredDCPowerMode(void*)")
# 呼び出し: PowerGetUserConfiguredDCPowerMode(PowerModeGuid)
# PowerModeGuid : GUID* 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 "powrprof" fn PowerGetUserConfiguredDCPowerMode(
    PowerModeGuid: [*c]GUID // GUID* out
) callconv(std.os.windows.WINAPI) u32;

proc PowerGetUserConfiguredDCPowerMode(
    PowerModeGuid: ptr GUID  # GUID* out
): uint32 {.importc: "PowerGetUserConfiguredDCPowerMode", stdcall, dynlib: "POWRPROF.dll".}

pragma(lib, "powrprof");
extern(Windows)
uint PowerGetUserConfiguredDCPowerMode(
    GUID* PowerModeGuid   // GUID* out
);

ccall((:PowerGetUserConfiguredDCPowerMode, "POWRPROF.dll"), stdcall, UInt32,
      (Ptr{GUID},),
      PowerModeGuid)
# PowerModeGuid : GUID* out -> Ptr{GUID}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t PowerGetUserConfiguredDCPowerMode(
    void* PowerModeGuid);
]]
local powrprof = ffi.load("powrprof")
-- powrprof.PowerGetUserConfiguredDCPowerMode(PowerModeGuid)
-- PowerModeGuid : GUID* 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('POWRPROF.dll');
const PowerGetUserConfiguredDCPowerMode = lib.func('__stdcall', 'PowerGetUserConfiguredDCPowerMode', 'uint32_t', ['void *']);
// PowerGetUserConfiguredDCPowerMode(PowerModeGuid)
// PowerModeGuid : GUID* 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("POWRPROF.dll", {
  PowerGetUserConfiguredDCPowerMode: { parameters: ["pointer"], result: "u32" },
});
// lib.symbols.PowerGetUserConfiguredDCPowerMode(PowerModeGuid)
// PowerModeGuid : GUID* out -> "pointer"
// 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 PowerGetUserConfiguredDCPowerMode(
    void* PowerModeGuid);
C, "POWRPROF.dll");
// $ffi->PowerGetUserConfiguredDCPowerMode(PowerModeGuid);
// PowerModeGuid : GUID* 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 Powrprof extends StdCallLibrary {
    Powrprof INSTANCE = Native.load("powrprof", Powrprof.class);
    int PowerGetUserConfiguredDCPowerMode(
        Pointer PowerModeGuid   // GUID* out
    );
}

@[Link("powrprof")]
lib LibPOWRPROF
  fun PowerGetUserConfiguredDCPowerMode = PowerGetUserConfiguredDCPowerMode(
    PowerModeGuid : GUID*   # GUID* out
  ) : 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 PowerGetUserConfiguredDCPowerModeNative = Uint32 Function(Pointer<Void>);
typedef PowerGetUserConfiguredDCPowerModeDart = int Function(Pointer<Void>);
final PowerGetUserConfiguredDCPowerMode = DynamicLibrary.open('POWRPROF.dll')
    .lookupFunction<PowerGetUserConfiguredDCPowerModeNative, PowerGetUserConfiguredDCPowerModeDart>('PowerGetUserConfiguredDCPowerMode');
// PowerModeGuid : GUID* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function PowerGetUserConfiguredDCPowerMode(
  PowerModeGuid: PGUID   // GUID* out
): DWORD; stdcall;
  external 'POWRPROF.dll' name 'PowerGetUserConfiguredDCPowerMode';

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

foreign import stdcall safe "PowerGetUserConfiguredDCPowerMode"
  c_PowerGetUserConfiguredDCPowerMode :: Ptr () -> IO Word32
-- PowerModeGuid : GUID* 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 powergetuserconfigureddcpowermode =
  foreign "PowerGetUserConfiguredDCPowerMode"
    ((ptr void) @-> returning uint32_t)
(* PowerModeGuid : GUID* 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 powrprof (t "POWRPROF.dll"))
(cffi:use-foreign-library powrprof)

(cffi:defcfun ("PowerGetUserConfiguredDCPowerMode" power-get-user-configured-dcpower-mode :convention :stdcall) :uint32
  (power-mode-guid :pointer))   ; GUID* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $PowerGetUserConfiguredDCPowerMode = Win32::API::More->new('POWRPROF',
    'DWORD PowerGetUserConfiguredDCPowerMode(LPVOID PowerModeGuid)');
# my $ret = $PowerGetUserConfiguredDCPowerMode->Call($PowerModeGuid);
# PowerModeGuid : GUID* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。