SetSystemPowerState

// KERNEL32.dll
#include <windows.h>

BOOL SetSystemPowerState(
    BOOL fSuspend,
    BOOL fForce
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetSystemPowerState(
    fSuspend As Boolean,   ' BOOL
    fForce As Boolean   ' BOOL
) As Boolean
End Function

' fSuspend : BOOL
' fForce : BOOL
Declare PtrSafe Function SetSystemPowerState Lib "kernel32" ( _
    ByVal fSuspend As Long, _
    ByVal fForce 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

SetSystemPowerState = ctypes.windll.kernel32.SetSystemPowerState
SetSystemPowerState.restype = wintypes.BOOL
SetSystemPowerState.argtypes = [
    wintypes.BOOL,  # fSuspend : BOOL
    wintypes.BOOL,  # fForce : BOOL
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetSystemPowerState = Fiddle::Function.new(
  lib['SetSystemPowerState'],
  [
    Fiddle::TYPE_INT,  # fSuspend : BOOL
    Fiddle::TYPE_INT,  # fForce : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn SetSystemPowerState(
        fSuspend: i32,  // BOOL
        fForce: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool SetSystemPowerState(bool fSuspend, bool fForce);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetSystemPowerState' -Namespace Win32 -PassThru
# $api::SetSystemPowerState(fSuspend, fForce)

#uselib "KERNEL32.dll"
#func global SetSystemPowerState "SetSystemPowerState" sptr, sptr
; SetSystemPowerState fSuspend, fForce   ; 戻り値は stat
; fSuspend : BOOL -> "sptr"
; fForce : 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 "KERNEL32.dll"
#cfunc global SetSystemPowerState "SetSystemPowerState" int, int
; res = SetSystemPowerState(fSuspend, fForce)
; fSuspend : BOOL -> "int"
; fForce : BOOL -> "int"

; BOOL SetSystemPowerState(BOOL fSuspend, BOOL fForce)
#uselib "KERNEL32.dll"
#cfunc global SetSystemPowerState "SetSystemPowerState" int, int
; res = SetSystemPowerState(fSuspend, fForce)
; fSuspend : BOOL -> "int"
; fForce : BOOL -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetSystemPowerState = kernel32.NewProc("SetSystemPowerState")
)

// fSuspend (BOOL), fForce (BOOL)
r1, _, err := procSetSystemPowerState.Call(
	uintptr(fSuspend),
	uintptr(fForce),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetSystemPowerState(
  fSuspend: BOOL;   // BOOL
  fForce: BOOL   // BOOL
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetSystemPowerState';

result := DllCall("KERNEL32\SetSystemPowerState"
    , "Int", fSuspend   ; BOOL
    , "Int", fForce   ; BOOL
    , "Int")   ; return: BOOL

●SetSystemPowerState(fSuspend, fForce) = DLL("KERNEL32.dll", "bool SetSystemPowerState(bool, bool)")
# 呼び出し: SetSystemPowerState(fSuspend, fForce)
# fSuspend : BOOL -> "bool"
# fForce : 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)。