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IsPwrShutdownAllowed

関数

システムのシャットダウンが許可されているか判定する。

DLLPOWRPROF.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

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

BOOLEAN IsPwrShutdownAllowed(void);

パラメーターなし。戻り値: BOOLEAN

各言語での呼び出し定義

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

BOOLEAN IsPwrShutdownAllowed(void);

[DllImport("POWRPROF.dll", ExactSpelling = true)]
static extern byte IsPwrShutdownAllowed();

<DllImport("POWRPROF.dll", ExactSpelling:=True)>
Public Shared Function IsPwrShutdownAllowed() As Byte
End Function

Declare PtrSafe Function IsPwrShutdownAllowed Lib "powrprof" () As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

IsPwrShutdownAllowed = ctypes.windll.powrprof.IsPwrShutdownAllowed
IsPwrShutdownAllowed.restype = ctypes.c_byte
IsPwrShutdownAllowed.argtypes = []

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('POWRPROF.dll')
IsPwrShutdownAllowed = Fiddle::Function.new(
  lib['IsPwrShutdownAllowed'],
  [],
  Fiddle::TYPE_CHAR)

#[link(name = "powrprof")]
extern "system" {
    fn IsPwrShutdownAllowed() -> u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("POWRPROF.dll")]
public static extern byte IsPwrShutdownAllowed();
"@
$api = Add-Type -MemberDefinition $sig -Name 'POWRPROF_IsPwrShutdownAllowed' -Namespace Win32 -PassThru
# $api::IsPwrShutdownAllowed()

#uselib "POWRPROF.dll"
#func global IsPwrShutdownAllowed "IsPwrShutdownAllowed"
; IsPwrShutdownAllowed   ; 戻り値は stat
; ※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 IsPwrShutdownAllowed "IsPwrShutdownAllowed"
; res = IsPwrShutdownAllowed()

; BOOLEAN IsPwrShutdownAllowed()
#uselib "POWRPROF.dll"
#cfunc global IsPwrShutdownAllowed "IsPwrShutdownAllowed"
; res = IsPwrShutdownAllowed()

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

var (
	powrprof = windows.NewLazySystemDLL("POWRPROF.dll")
	procIsPwrShutdownAllowed = powrprof.NewProc("IsPwrShutdownAllowed")
)

r1, _, err := procIsPwrShutdownAllowed.Call()
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOLEAN

function IsPwrShutdownAllowed: ByteBool; stdcall;
  external 'POWRPROF.dll' name 'IsPwrShutdownAllowed';

result := DllCall("POWRPROF\IsPwrShutdownAllowed", "Char")

●IsPwrShutdownAllowed() = DLL("POWRPROF.dll", "byte IsPwrShutdownAllowed()")
# 呼び出し: IsPwrShutdownAllowed()
# 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)。