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GetCurrentPowerPolicies

関数

現在のグローバルおよび個別の電源ポリシーを取得する。

DLLPOWRPROF.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

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

BOOLEAN GetCurrentPowerPolicies(
    GLOBAL_POWER_POLICY* pGlobalPowerPolicy,
    POWER_POLICY* pPowerPolicy
);

パラメーター

名前	型	方向
pGlobalPowerPolicy	GLOBAL_POWER_POLICY*	out
pPowerPolicy	POWER_POLICY*	out

戻り値の型: BOOLEAN

各言語での呼び出し定義

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

BOOLEAN GetCurrentPowerPolicies(
    GLOBAL_POWER_POLICY* pGlobalPowerPolicy,
    POWER_POLICY* pPowerPolicy
);

[DllImport("POWRPROF.dll", SetLastError = true, ExactSpelling = true)]
static extern byte GetCurrentPowerPolicies(
    IntPtr pGlobalPowerPolicy,   // GLOBAL_POWER_POLICY* out
    IntPtr pPowerPolicy   // POWER_POLICY* out
);

<DllImport("POWRPROF.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetCurrentPowerPolicies(
    pGlobalPowerPolicy As IntPtr,   ' GLOBAL_POWER_POLICY* out
    pPowerPolicy As IntPtr   ' POWER_POLICY* out
) As Byte
End Function

' pGlobalPowerPolicy : GLOBAL_POWER_POLICY* out
' pPowerPolicy : POWER_POLICY* out
Declare PtrSafe Function GetCurrentPowerPolicies Lib "powrprof" ( _
    ByVal pGlobalPowerPolicy As LongPtr, _
    ByVal pPowerPolicy As LongPtr) As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetCurrentPowerPolicies = ctypes.windll.powrprof.GetCurrentPowerPolicies
GetCurrentPowerPolicies.restype = ctypes.c_byte
GetCurrentPowerPolicies.argtypes = [
    ctypes.c_void_p,  # pGlobalPowerPolicy : GLOBAL_POWER_POLICY* out
    ctypes.c_void_p,  # pPowerPolicy : POWER_POLICY* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('POWRPROF.dll')
GetCurrentPowerPolicies = Fiddle::Function.new(
  lib['GetCurrentPowerPolicies'],
  [
    Fiddle::TYPE_VOIDP,  # pGlobalPowerPolicy : GLOBAL_POWER_POLICY* out
    Fiddle::TYPE_VOIDP,  # pPowerPolicy : POWER_POLICY* out
  ],
  Fiddle::TYPE_CHAR)

#[link(name = "powrprof")]
extern "system" {
    fn GetCurrentPowerPolicies(
        pGlobalPowerPolicy: *mut GLOBAL_POWER_POLICY,  // GLOBAL_POWER_POLICY* out
        pPowerPolicy: *mut POWER_POLICY  // POWER_POLICY* out
    ) -> u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("POWRPROF.dll", SetLastError = true)]
public static extern byte GetCurrentPowerPolicies(IntPtr pGlobalPowerPolicy, IntPtr pPowerPolicy);
"@
$api = Add-Type -MemberDefinition $sig -Name 'POWRPROF_GetCurrentPowerPolicies' -Namespace Win32 -PassThru
# $api::GetCurrentPowerPolicies(pGlobalPowerPolicy, pPowerPolicy)

#uselib "POWRPROF.dll"
#func global GetCurrentPowerPolicies "GetCurrentPowerPolicies" sptr, sptr
; GetCurrentPowerPolicies varptr(pGlobalPowerPolicy), varptr(pPowerPolicy)   ; 戻り値は stat
; pGlobalPowerPolicy : GLOBAL_POWER_POLICY* out -> "sptr"
; pPowerPolicy : POWER_POLICY* 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。

出力引数:

#uselib "POWRPROF.dll"
#cfunc global GetCurrentPowerPolicies "GetCurrentPowerPolicies" var, var
; res = GetCurrentPowerPolicies(pGlobalPowerPolicy, pPowerPolicy)
; pGlobalPowerPolicy : GLOBAL_POWER_POLICY* out -> "var"
; pPowerPolicy : POWER_POLICY* out -> "var"
; ※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。#uselib "POWRPROF.dll"
#cfunc global GetCurrentPowerPolicies "GetCurrentPowerPolicies" sptr, sptr
; res = GetCurrentPowerPolicies(varptr(pGlobalPowerPolicy), varptr(pPowerPolicy))
; pGlobalPowerPolicy : GLOBAL_POWER_POLICY* out -> "sptr"
; pPowerPolicy : POWER_POLICY* out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; BOOLEAN GetCurrentPowerPolicies(GLOBAL_POWER_POLICY* pGlobalPowerPolicy, POWER_POLICY* pPowerPolicy)
#uselib "POWRPROF.dll"
#cfunc global GetCurrentPowerPolicies "GetCurrentPowerPolicies" var, var
; res = GetCurrentPowerPolicies(pGlobalPowerPolicy, pPowerPolicy)
; pGlobalPowerPolicy : GLOBAL_POWER_POLICY* out -> "var"
; pPowerPolicy : POWER_POLICY* out -> "var"
; ※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。; BOOLEAN GetCurrentPowerPolicies(GLOBAL_POWER_POLICY* pGlobalPowerPolicy, POWER_POLICY* pPowerPolicy)
#uselib "POWRPROF.dll"
#cfunc global GetCurrentPowerPolicies "GetCurrentPowerPolicies" intptr, intptr
; res = GetCurrentPowerPolicies(varptr(pGlobalPowerPolicy), varptr(pPowerPolicy))
; pGlobalPowerPolicy : GLOBAL_POWER_POLICY* out -> "intptr"
; pPowerPolicy : POWER_POLICY* out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	powrprof = windows.NewLazySystemDLL("POWRPROF.dll")
	procGetCurrentPowerPolicies = powrprof.NewProc("GetCurrentPowerPolicies")
)

// pGlobalPowerPolicy (GLOBAL_POWER_POLICY* out), pPowerPolicy (POWER_POLICY* out)
r1, _, err := procGetCurrentPowerPolicies.Call(
	uintptr(pGlobalPowerPolicy),
	uintptr(pPowerPolicy),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOLEAN

function GetCurrentPowerPolicies(
  pGlobalPowerPolicy: Pointer;   // GLOBAL_POWER_POLICY* out
  pPowerPolicy: Pointer   // POWER_POLICY* out
): ByteBool; stdcall;
  external 'POWRPROF.dll' name 'GetCurrentPowerPolicies';

result := DllCall("POWRPROF\GetCurrentPowerPolicies"
    , "Ptr", pGlobalPowerPolicy   ; GLOBAL_POWER_POLICY* out
    , "Ptr", pPowerPolicy   ; POWER_POLICY* out
    , "Char")   ; return: BOOLEAN

●GetCurrentPowerPolicies(pGlobalPowerPolicy, pPowerPolicy) = DLL("POWRPROF.dll", "byte GetCurrentPowerPolicies(void*, void*)")
# 呼び出し: GetCurrentPowerPolicies(pGlobalPowerPolicy, pPowerPolicy)
# pGlobalPowerPolicy : GLOBAL_POWER_POLICY* out -> "void*"
# pPowerPolicy : POWER_POLICY* 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)。