RegisterAppStateChangeNotification

// api-ms-win-core-psm-appnotify-l1-1-0.dll
#include <windows.h>

DWORD RegisterAppStateChangeNotification(
    PAPPSTATE_CHANGE_ROUTINE Routine,
    void* Context,   // optional
    PAPPSTATE_REGISTRATION* Registration
);

<DllImport("api-ms-win-core-psm-appnotify-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function RegisterAppStateChangeNotification(
    Routine As IntPtr,   ' PAPPSTATE_CHANGE_ROUTINE
    Context As IntPtr,   ' void* optional
    <Out> ByRef Registration As IntPtr   ' PAPPSTATE_REGISTRATION* out
) As UInteger
End Function

' Routine : PAPPSTATE_CHANGE_ROUTINE
' Context : void* optional
' Registration : PAPPSTATE_REGISTRATION* out
Declare PtrSafe Function RegisterAppStateChangeNotification Lib "api-ms-win-core-psm-appnotify-l1-1-0" ( _
    ByVal Routine As LongPtr, _
    ByVal Context As LongPtr, _
    ByRef Registration 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

RegisterAppStateChangeNotification = ctypes.windll.LoadLibrary("api-ms-win-core-psm-appnotify-l1-1-0.dll").RegisterAppStateChangeNotification
RegisterAppStateChangeNotification.restype = wintypes.DWORD
RegisterAppStateChangeNotification.argtypes = [
    ctypes.c_void_p,  # Routine : PAPPSTATE_CHANGE_ROUTINE
    ctypes.POINTER(None),  # Context : void* optional
    ctypes.c_void_p,  # Registration : PAPPSTATE_REGISTRATION* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-psm-appnotify-l1-1-0.dll')
RegisterAppStateChangeNotification = Fiddle::Function.new(
  lib['RegisterAppStateChangeNotification'],
  [
    Fiddle::TYPE_VOIDP,  # Routine : PAPPSTATE_CHANGE_ROUTINE
    Fiddle::TYPE_VOIDP,  # Context : void* optional
    Fiddle::TYPE_VOIDP,  # Registration : PAPPSTATE_REGISTRATION* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-psm-appnotify-l1-1-0")]
extern "system" {
    fn RegisterAppStateChangeNotification(
        Routine: *const core::ffi::c_void,  // PAPPSTATE_CHANGE_ROUTINE
        Context: *mut (),  // void* optional
        Registration: *mut isize  // PAPPSTATE_REGISTRATION* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-core-psm-appnotify-l1-1-0.dll")]
public static extern uint RegisterAppStateChangeNotification(IntPtr Routine, IntPtr Context, out IntPtr Registration);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-psm-appnotify-l1-1-0_RegisterAppStateChangeNotification' -Namespace Win32 -PassThru
# $api::RegisterAppStateChangeNotification(Routine, Context, Registration)

#uselib "api-ms-win-core-psm-appnotify-l1-1-0.dll"
#func global RegisterAppStateChangeNotification "RegisterAppStateChangeNotification" sptr, sptr, sptr
; RegisterAppStateChangeNotification Routine, Context, Registration   ; 戻り値は stat
; Routine : PAPPSTATE_CHANGE_ROUTINE -> "sptr"
; Context : void* optional -> "sptr"
; Registration : PAPPSTATE_REGISTRATION* 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。

#uselib "api-ms-win-core-psm-appnotify-l1-1-0.dll"
#cfunc global RegisterAppStateChangeNotification "RegisterAppStateChangeNotification" sptr, sptr, int
; res = RegisterAppStateChangeNotification(Routine, Context, Registration)
; Routine : PAPPSTATE_CHANGE_ROUTINE -> "sptr"
; Context : void* optional -> "sptr"
; Registration : PAPPSTATE_REGISTRATION* out -> "int"

; DWORD RegisterAppStateChangeNotification(PAPPSTATE_CHANGE_ROUTINE Routine, void* Context, PAPPSTATE_REGISTRATION* Registration)
#uselib "api-ms-win-core-psm-appnotify-l1-1-0.dll"
#cfunc global RegisterAppStateChangeNotification "RegisterAppStateChangeNotification" intptr, intptr, int
; res = RegisterAppStateChangeNotification(Routine, Context, Registration)
; Routine : PAPPSTATE_CHANGE_ROUTINE -> "intptr"
; Context : void* optional -> "intptr"
; Registration : PAPPSTATE_REGISTRATION* out -> "int"

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

var (
	api_ms_win_core_psm_appnotify_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-psm-appnotify-l1-1-0.dll")
	procRegisterAppStateChangeNotification = api_ms_win_core_psm_appnotify_l1_1_0.NewProc("RegisterAppStateChangeNotification")
)

// Routine (PAPPSTATE_CHANGE_ROUTINE), Context (void* optional), Registration (PAPPSTATE_REGISTRATION* out)
r1, _, err := procRegisterAppStateChangeNotification.Call(
	uintptr(Routine),
	uintptr(Context),
	uintptr(Registration),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function RegisterAppStateChangeNotification(
  Routine: Pointer;   // PAPPSTATE_CHANGE_ROUTINE
  Context: Pointer;   // void* optional
  Registration: Pointer   // PAPPSTATE_REGISTRATION* out
): DWORD; stdcall;
  external 'api-ms-win-core-psm-appnotify-l1-1-0.dll' name 'RegisterAppStateChangeNotification';

result := DllCall("api-ms-win-core-psm-appnotify-l1-1-0\RegisterAppStateChangeNotification"
    , "Ptr", Routine   ; PAPPSTATE_CHANGE_ROUTINE
    , "Ptr", Context   ; void* optional
    , "Ptr", Registration   ; PAPPSTATE_REGISTRATION* out
    , "UInt")   ; return: DWORD

●RegisterAppStateChangeNotification(Routine, Context, Registration) = DLL("api-ms-win-core-psm-appnotify-l1-1-0.dll", "dword RegisterAppStateChangeNotification(void*, void*, void*)")
# 呼び出し: RegisterAppStateChangeNotification(Routine, Context, Registration)
# Routine : PAPPSTATE_CHANGE_ROUTINE -> "void*"
# Context : void* optional -> "void*"
# Registration : PAPPSTATE_REGISTRATION* 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)。