RegisterForPrintAsyncNotifications

// winspool.drv
#include <windows.h>

HRESULT RegisterForPrintAsyncNotifications(
    LPCWSTR pszName,   // optional
    GUID* pNotificationType,
    PrintAsyncNotifyUserFilter eUserFilter,
    PrintAsyncNotifyConversationStyle eConversationStyle,
    IPrintAsyncNotifyCallback* pCallback,
    HANDLE* phNotify
);

<DllImport("winspool.drv", ExactSpelling:=True)>
Public Shared Function RegisterForPrintAsyncNotifications(
    <MarshalAs(UnmanagedType.LPWStr)> pszName As String,   ' LPCWSTR optional
    ByRef pNotificationType As Guid,   ' GUID*
    eUserFilter As Integer,   ' PrintAsyncNotifyUserFilter
    eConversationStyle As Integer,   ' PrintAsyncNotifyConversationStyle
    pCallback As IntPtr,   ' IPrintAsyncNotifyCallback*
    phNotify As IntPtr   ' HANDLE* out
) As Integer
End Function

' pszName : LPCWSTR optional
' pNotificationType : GUID*
' eUserFilter : PrintAsyncNotifyUserFilter
' eConversationStyle : PrintAsyncNotifyConversationStyle
' pCallback : IPrintAsyncNotifyCallback*
' phNotify : HANDLE* out
Declare PtrSafe Function RegisterForPrintAsyncNotifications Lib "winspool.drv" ( _
    ByVal pszName As LongPtr, _
    ByVal pNotificationType As LongPtr, _
    ByVal eUserFilter As Long, _
    ByVal eConversationStyle As Long, _
    ByVal pCallback As LongPtr, _
    ByVal phNotify 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

RegisterForPrintAsyncNotifications = ctypes.windll.LoadLibrary("winspool.drv").RegisterForPrintAsyncNotifications
RegisterForPrintAsyncNotifications.restype = ctypes.c_int
RegisterForPrintAsyncNotifications.argtypes = [
    wintypes.LPCWSTR,  # pszName : LPCWSTR optional
    ctypes.c_void_p,  # pNotificationType : GUID*
    ctypes.c_int,  # eUserFilter : PrintAsyncNotifyUserFilter
    ctypes.c_int,  # eConversationStyle : PrintAsyncNotifyConversationStyle
    ctypes.c_void_p,  # pCallback : IPrintAsyncNotifyCallback*
    ctypes.c_void_p,  # phNotify : HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
RegisterForPrintAsyncNotifications = Fiddle::Function.new(
  lib['RegisterForPrintAsyncNotifications'],
  [
    Fiddle::TYPE_VOIDP,  # pszName : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # pNotificationType : GUID*
    Fiddle::TYPE_INT,  # eUserFilter : PrintAsyncNotifyUserFilter
    Fiddle::TYPE_INT,  # eConversationStyle : PrintAsyncNotifyConversationStyle
    Fiddle::TYPE_VOIDP,  # pCallback : IPrintAsyncNotifyCallback*
    Fiddle::TYPE_VOIDP,  # phNotify : HANDLE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winspool.drv")]
extern "system" {
    fn RegisterForPrintAsyncNotifications(
        pszName: *const u16,  // LPCWSTR optional
        pNotificationType: *mut GUID,  // GUID*
        eUserFilter: i32,  // PrintAsyncNotifyUserFilter
        eConversationStyle: i32,  // PrintAsyncNotifyConversationStyle
        pCallback: *mut core::ffi::c_void,  // IPrintAsyncNotifyCallback*
        phNotify: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("winspool.drv")]
public static extern int RegisterForPrintAsyncNotifications([MarshalAs(UnmanagedType.LPWStr)] string pszName, ref Guid pNotificationType, int eUserFilter, int eConversationStyle, IntPtr pCallback, IntPtr phNotify);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_RegisterForPrintAsyncNotifications' -Namespace Win32 -PassThru
# $api::RegisterForPrintAsyncNotifications(pszName, pNotificationType, eUserFilter, eConversationStyle, pCallback, phNotify)

#uselib "winspool.drv"
#func global RegisterForPrintAsyncNotifications "RegisterForPrintAsyncNotifications" sptr, sptr, sptr, sptr, sptr, sptr
; RegisterForPrintAsyncNotifications pszName, varptr(pNotificationType), eUserFilter, eConversationStyle, pCallback, phNotify   ; 戻り値は stat
; pszName : LPCWSTR optional -> "sptr"
; pNotificationType : GUID* -> "sptr"
; eUserFilter : PrintAsyncNotifyUserFilter -> "sptr"
; eConversationStyle : PrintAsyncNotifyConversationStyle -> "sptr"
; pCallback : IPrintAsyncNotifyCallback* -> "sptr"
; phNotify : HANDLE* 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 "winspool.drv"
#cfunc global RegisterForPrintAsyncNotifications "RegisterForPrintAsyncNotifications" wstr, var, int, int, sptr, sptr
; res = RegisterForPrintAsyncNotifications(pszName, pNotificationType, eUserFilter, eConversationStyle, pCallback, phNotify)
; pszName : LPCWSTR optional -> "wstr"
; pNotificationType : GUID* -> "var"
; eUserFilter : PrintAsyncNotifyUserFilter -> "int"
; eConversationStyle : PrintAsyncNotifyConversationStyle -> "int"
; pCallback : IPrintAsyncNotifyCallback* -> "sptr"
; phNotify : HANDLE* out -> "sptr"
; ※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。

; HRESULT RegisterForPrintAsyncNotifications(LPCWSTR pszName, GUID* pNotificationType, PrintAsyncNotifyUserFilter eUserFilter, PrintAsyncNotifyConversationStyle eConversationStyle, IPrintAsyncNotifyCallback* pCallback, HANDLE* phNotify)
#uselib "winspool.drv"
#cfunc global RegisterForPrintAsyncNotifications "RegisterForPrintAsyncNotifications" wstr, var, int, int, intptr, intptr
; res = RegisterForPrintAsyncNotifications(pszName, pNotificationType, eUserFilter, eConversationStyle, pCallback, phNotify)
; pszName : LPCWSTR optional -> "wstr"
; pNotificationType : GUID* -> "var"
; eUserFilter : PrintAsyncNotifyUserFilter -> "int"
; eConversationStyle : PrintAsyncNotifyConversationStyle -> "int"
; pCallback : IPrintAsyncNotifyCallback* -> "intptr"
; phNotify : HANDLE* out -> "intptr"
; ※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。

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

var (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procRegisterForPrintAsyncNotifications = winspool_drv.NewProc("RegisterForPrintAsyncNotifications")
)

// pszName (LPCWSTR optional), pNotificationType (GUID*), eUserFilter (PrintAsyncNotifyUserFilter), eConversationStyle (PrintAsyncNotifyConversationStyle), pCallback (IPrintAsyncNotifyCallback*), phNotify (HANDLE* out)
r1, _, err := procRegisterForPrintAsyncNotifications.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszName))),
	uintptr(pNotificationType),
	uintptr(eUserFilter),
	uintptr(eConversationStyle),
	uintptr(pCallback),
	uintptr(phNotify),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function RegisterForPrintAsyncNotifications(
  pszName: PWideChar;   // LPCWSTR optional
  pNotificationType: PGUID;   // GUID*
  eUserFilter: Integer;   // PrintAsyncNotifyUserFilter
  eConversationStyle: Integer;   // PrintAsyncNotifyConversationStyle
  pCallback: Pointer;   // IPrintAsyncNotifyCallback*
  phNotify: Pointer   // HANDLE* out
): Integer; stdcall;
  external 'winspool.drv' name 'RegisterForPrintAsyncNotifications';

result := DllCall("winspool.drv\RegisterForPrintAsyncNotifications"
    , "WStr", pszName   ; LPCWSTR optional
    , "Ptr", pNotificationType   ; GUID*
    , "Int", eUserFilter   ; PrintAsyncNotifyUserFilter
    , "Int", eConversationStyle   ; PrintAsyncNotifyConversationStyle
    , "Ptr", pCallback   ; IPrintAsyncNotifyCallback*
    , "Ptr", phNotify   ; HANDLE* out
    , "Int")   ; return: HRESULT

●RegisterForPrintAsyncNotifications(pszName, pNotificationType, eUserFilter, eConversationStyle, pCallback, phNotify) = DLL("winspool.drv", "int RegisterForPrintAsyncNotifications(char*, void*, int, int, void*, void*)")
# 呼び出し: RegisterForPrintAsyncNotifications(pszName, pNotificationType, eUserFilter, eConversationStyle, pCallback, phNotify)
# pszName : LPCWSTR optional -> "char*"
# pNotificationType : GUID* -> "void*"
# eUserFilter : PrintAsyncNotifyUserFilter -> "int"
# eConversationStyle : PrintAsyncNotifyConversationStyle -> "int"
# pCallback : IPrintAsyncNotifyCallback* -> "void*"
# phNotify : HANDLE* 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)。