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FindNextPrinterChangeNotification

関数
発生したプリンター変更通知の内容を取得する。
DLLwinspool.drv呼出規約winapi
📘 Microsoft Learn (日本語) · English

シグネチャ

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

BOOL FindNextPrinterChangeNotification(
    FINDPRINTERCHANGENOTIFICATION_HANDLE hChange,
    DWORD* pdwChange,   // optional
    void* pvReserved,   // optional
    void** ppPrinterNotifyInfo   // optional
);

パラメーター

名前型方向説明
hChangeFINDPRINTERCHANGENOTIFICATION_HANDLEinFindFirstPrinterChangeNotificationが返した変更通知ハンドル。
pdwChangeDWORD*outoptional発生した変更種別を受け取る変数へのポインタ。
pvReservedvoid*inoptional予約済み引数。NULLを指定する。
ppPrinterNotifyInfovoid**outoptional変更詳細を格納したPRINTER_NOTIFY_INFOへのポインタを受け取る変数へのポインタ。

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL FindNextPrinterChangeNotification(
    FINDPRINTERCHANGENOTIFICATION_HANDLE hChange,
    DWORD* pdwChange,   // optional
    void* pvReserved,   // optional
    void** ppPrinterNotifyInfo   // optional
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("winspool.drv", ExactSpelling = true)]
static extern bool FindNextPrinterChangeNotification(
    FINDPRINTERCHANGENOTIFICATION_HANDLE hChange,   // FINDPRINTERCHANGENOTIFICATION_HANDLE
    IntPtr pdwChange,   // DWORD* optional, out
    IntPtr pvReserved,   // void* optional
    IntPtr ppPrinterNotifyInfo   // void** optional, out
);
<DllImport("winspool.drv", ExactSpelling:=True)>
Public Shared Function FindNextPrinterChangeNotification(
    hChange As FINDPRINTERCHANGENOTIFICATION_HANDLE,   ' FINDPRINTERCHANGENOTIFICATION_HANDLE
    pdwChange As IntPtr,   ' DWORD* optional, out
    pvReserved As IntPtr,   ' void* optional
    ppPrinterNotifyInfo As IntPtr   ' void** optional, out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function
' hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE
' pdwChange : DWORD* optional, out
' pvReserved : void* optional
' ppPrinterNotifyInfo : void** optional, out
Declare PtrSafe Function FindNextPrinterChangeNotification Lib "winspool.drv" ( _
    ByVal hChange As LongPtr, _
    ByVal pdwChange As LongPtr, _
    ByVal pvReserved As LongPtr, _
    ByVal ppPrinterNotifyInfo 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

FindNextPrinterChangeNotification = ctypes.windll.LoadLibrary("winspool.drv").FindNextPrinterChangeNotification
FindNextPrinterChangeNotification.restype = wintypes.BOOL
FindNextPrinterChangeNotification.argtypes = [
    FINDPRINTERCHANGENOTIFICATION_HANDLE,  # hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE
    ctypes.POINTER(wintypes.DWORD),  # pdwChange : DWORD* optional, out
    ctypes.POINTER(None),  # pvReserved : void* optional
    ctypes.c_void_p,  # ppPrinterNotifyInfo : void** optional, out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
FindNextPrinterChangeNotification = Fiddle::Function.new(
  lib['FindNextPrinterChangeNotification'],
  [
    Fiddle::TYPE_VOIDP,  # hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE
    Fiddle::TYPE_VOIDP,  # pdwChange : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # pvReserved : void* optional
    Fiddle::TYPE_VOIDP,  # ppPrinterNotifyInfo : void** optional, out
  ],
  Fiddle::TYPE_INT)
#[link(name = "winspool.drv")]
extern "system" {
    fn FindNextPrinterChangeNotification(
        hChange: FINDPRINTERCHANGENOTIFICATION_HANDLE,  // FINDPRINTERCHANGENOTIFICATION_HANDLE
        pdwChange: *mut u32,  // DWORD* optional, out
        pvReserved: *mut (),  // void* optional
        ppPrinterNotifyInfo: *mut *mut ()  // void** optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("winspool.drv")]
public static extern bool FindNextPrinterChangeNotification(FINDPRINTERCHANGENOTIFICATION_HANDLE hChange, IntPtr pdwChange, IntPtr pvReserved, IntPtr ppPrinterNotifyInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_FindNextPrinterChangeNotification' -Namespace Win32 -PassThru
# $api::FindNextPrinterChangeNotification(hChange, pdwChange, pvReserved, ppPrinterNotifyInfo)
#uselib "winspool.drv"
#func global FindNextPrinterChangeNotification "FindNextPrinterChangeNotification" sptr, sptr, sptr, sptr
; FindNextPrinterChangeNotification hChange, varptr(pdwChange), pvReserved, ppPrinterNotifyInfo   ; 戻り値は stat
; hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE -> "sptr"
; pdwChange : DWORD* optional, out -> "sptr"
; pvReserved : void* optional -> "sptr"
; ppPrinterNotifyInfo : void** optional, out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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 "winspool.drv"
#cfunc global FindNextPrinterChangeNotification "FindNextPrinterChangeNotification" int, var, sptr, sptr
; res = FindNextPrinterChangeNotification(hChange, pdwChange, pvReserved, ppPrinterNotifyInfo)
; hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE -> "int"
; pdwChange : DWORD* optional, out -> "var"
; pvReserved : void* optional -> "sptr"
; ppPrinterNotifyInfo : void** optional, out -> "sptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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。
出力引数: 
; BOOL FindNextPrinterChangeNotification(FINDPRINTERCHANGENOTIFICATION_HANDLE hChange, DWORD* pdwChange, void* pvReserved, void** ppPrinterNotifyInfo)
#uselib "winspool.drv"
#cfunc global FindNextPrinterChangeNotification "FindNextPrinterChangeNotification" int, var, intptr, intptr
; res = FindNextPrinterChangeNotification(hChange, pdwChange, pvReserved, ppPrinterNotifyInfo)
; hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE -> "int"
; pdwChange : DWORD* optional, out -> "var"
; pvReserved : void* optional -> "intptr"
; ppPrinterNotifyInfo : void** optional, out -> "intptr"
; ※値渡し構造体は直接渡せません。intにパック、または var で構造体変数を渡してください。
; ※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")
	procFindNextPrinterChangeNotification = winspool_drv.NewProc("FindNextPrinterChangeNotification")
)

// hChange (FINDPRINTERCHANGENOTIFICATION_HANDLE), pdwChange (DWORD* optional, out), pvReserved (void* optional), ppPrinterNotifyInfo (void** optional, out)
r1, _, err := procFindNextPrinterChangeNotification.Call(
	uintptr(hChange),
	uintptr(pdwChange),
	uintptr(pvReserved),
	uintptr(ppPrinterNotifyInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function FindNextPrinterChangeNotification(
  hChange: FINDPRINTERCHANGENOTIFICATION_HANDLE;   // FINDPRINTERCHANGENOTIFICATION_HANDLE
  pdwChange: Pointer;   // DWORD* optional, out
  pvReserved: Pointer;   // void* optional
  ppPrinterNotifyInfo: Pointer   // void** optional, out
): BOOL; stdcall;
  external 'winspool.drv' name 'FindNextPrinterChangeNotification';
result := DllCall("winspool.drv\FindNextPrinterChangeNotification"
    , "Ptr", hChange   ; FINDPRINTERCHANGENOTIFICATION_HANDLE
    , "Ptr", pdwChange   ; DWORD* optional, out
    , "Ptr", pvReserved   ; void* optional
    , "Ptr", ppPrinterNotifyInfo   ; void** optional, out
    , "Int")   ; return: BOOL
●FindNextPrinterChangeNotification(hChange, pdwChange, pvReserved, ppPrinterNotifyInfo) = DLL("winspool.drv", "bool FindNextPrinterChangeNotification(void*, void*, void*, void*)")
# 呼び出し: FindNextPrinterChangeNotification(hChange, pdwChange, pvReserved, ppPrinterNotifyInfo)
# hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE -> "void*"
# pdwChange : DWORD* optional, out -> "void*"
# pvReserved : void* optional -> "void*"
# ppPrinterNotifyInfo : void** optional, 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)。
const std = @import("std");

extern "winspool.drv" fn FindNextPrinterChangeNotification(
    hChange: FINDPRINTERCHANGENOTIFICATION_HANDLE, // FINDPRINTERCHANGENOTIFICATION_HANDLE
    pdwChange: [*c]u32, // DWORD* optional, out
    pvReserved: ?*anyopaque, // void* optional
    ppPrinterNotifyInfo: ?*anyopaque // void** optional, out
) callconv(std.os.windows.WINAPI) i32;
proc FindNextPrinterChangeNotification(
    hChange: FINDPRINTERCHANGENOTIFICATION_HANDLE,  # FINDPRINTERCHANGENOTIFICATION_HANDLE
    pdwChange: ptr uint32,  # DWORD* optional, out
    pvReserved: pointer,  # void* optional
    ppPrinterNotifyInfo: pointer  # void** optional, out
): int32 {.importc: "FindNextPrinterChangeNotification", stdcall, dynlib: "winspool.drv".}
pragma(lib, "winspool.drv");
extern(Windows)
int FindNextPrinterChangeNotification(
    FINDPRINTERCHANGENOTIFICATION_HANDLE hChange,   // FINDPRINTERCHANGENOTIFICATION_HANDLE
    uint* pdwChange,   // DWORD* optional, out
    void* pvReserved,   // void* optional
    void** ppPrinterNotifyInfo   // void** optional, out
);
ccall((:FindNextPrinterChangeNotification, "winspool.drv"), stdcall, Int32,
      (FINDPRINTERCHANGENOTIFICATION_HANDLE, Ptr{UInt32}, Ptr{Cvoid}, Ptr{Cvoid}),
      hChange, pdwChange, pvReserved, ppPrinterNotifyInfo)
# hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE -> FINDPRINTERCHANGENOTIFICATION_HANDLE
# pdwChange : DWORD* optional, out -> Ptr{UInt32}
# pvReserved : void* optional -> Ptr{Cvoid}
# ppPrinterNotifyInfo : void** optional, out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t FindNextPrinterChangeNotification(
    FINDPRINTERCHANGENOTIFICATION_HANDLE hChange,
    uint32_t* pdwChange,
    void* pvReserved,
    void** ppPrinterNotifyInfo);
]]
local winspool.drv = ffi.load("winspool.drv")
-- winspool.drv.FindNextPrinterChangeNotification(hChange, pdwChange, pvReserved, ppPrinterNotifyInfo)
-- hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE
-- pdwChange : DWORD* optional, out
-- pvReserved : void* optional
-- ppPrinterNotifyInfo : void** optional, out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
const koffi = require('koffi');
const lib = koffi.load('winspool.drv');
const FindNextPrinterChangeNotification = lib.func('__stdcall', 'FindNextPrinterChangeNotification', 'int32_t', ['FINDPRINTERCHANGENOTIFICATION_HANDLE', 'uint32_t *', 'void *', 'void *']);
// FindNextPrinterChangeNotification(hChange, pdwChange, pvReserved, ppPrinterNotifyInfo)
// hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE -> 'FINDPRINTERCHANGENOTIFICATION_HANDLE'
// pdwChange : DWORD* optional, out -> 'uint32_t *'
// pvReserved : void* optional -> 'void *'
// ppPrinterNotifyInfo : void** optional, out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
const lib = Deno.dlopen("winspool.drv", {
  FindNextPrinterChangeNotification: { parameters: ["buffer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.FindNextPrinterChangeNotification(hChange, pdwChange, pvReserved, ppPrinterNotifyInfo)
// hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE -> "buffer"
// pdwChange : DWORD* optional, out -> "pointer"
// pvReserved : void* optional -> "pointer"
// ppPrinterNotifyInfo : void** optional, out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。
<?php
$ffi = FFI::cdef(<<<C
int32_t FindNextPrinterChangeNotification(
    FINDPRINTERCHANGENOTIFICATION_HANDLE hChange,
    uint32_t* pdwChange,
    void* pvReserved,
    void** ppPrinterNotifyInfo);
C, "winspool.drv");
// $ffi->FindNextPrinterChangeNotification(hChange, pdwChange, pvReserved, ppPrinterNotifyInfo);
// hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE
// pdwChange : DWORD* optional, out
// pvReserved : void* optional
// ppPrinterNotifyInfo : void** optional, out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。
import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Winspool.drv extends StdCallLibrary {
    Winspool.drv INSTANCE = Native.load("winspool.drv", Winspool.drv.class);
    boolean FindNextPrinterChangeNotification(
        FINDPRINTERCHANGENOTIFICATION_HANDLE /* extends Structure (by value) */ hChange,   // FINDPRINTERCHANGENOTIFICATION_HANDLE
        IntByReference pdwChange,   // DWORD* optional, out
        Pointer pvReserved,   // void* optional
        Pointer ppPrinterNotifyInfo   // void** optional, out
    );
}
@[Link("winspool.drv")]
lib Libwinspool.drv
  fun FindNextPrinterChangeNotification = FindNextPrinterChangeNotification(
    hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE,   # FINDPRINTERCHANGENOTIFICATION_HANDLE
    pdwChange : UInt32*,   # DWORD* optional, out
    pvReserved : Void*,   # void* optional
    ppPrinterNotifyInfo : Void**   # void** optional, out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。
import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef FindNextPrinterChangeNotificationNative = Int32 Function(FINDPRINTERCHANGENOTIFICATION_HANDLE, Pointer<Uint32>, Pointer<Void>, Pointer<Void>);
typedef FindNextPrinterChangeNotificationDart = int Function(int, Pointer<Uint32>, Pointer<Void>, Pointer<Void>);
final FindNextPrinterChangeNotification = DynamicLibrary.open('winspool.drv')
    .lookupFunction<FindNextPrinterChangeNotificationNative, FindNextPrinterChangeNotificationDart>('FindNextPrinterChangeNotification');
// hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE -> FINDPRINTERCHANGENOTIFICATION_HANDLE
// pdwChange : DWORD* optional, out -> Pointer<Uint32>
// pvReserved : void* optional -> Pointer<Void>
// ppPrinterNotifyInfo : void** optional, out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function FindNextPrinterChangeNotification(
  hChange: FINDPRINTERCHANGENOTIFICATION_HANDLE;   // FINDPRINTERCHANGENOTIFICATION_HANDLE
  pdwChange: Pointer;   // DWORD* optional, out
  pvReserved: Pointer;   // void* optional
  ppPrinterNotifyInfo: Pointer   // void** optional, out
): BOOL; stdcall;
  external 'winspool.drv' name 'FindNextPrinterChangeNotification';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "FindNextPrinterChangeNotification"
  c_FindNextPrinterChangeNotification :: FINDPRINTERCHANGENOTIFICATION_HANDLE -> Ptr Word32 -> Ptr () -> Ptr () -> IO CInt
-- hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE -> FINDPRINTERCHANGENOTIFICATION_HANDLE
-- pdwChange : DWORD* optional, out -> Ptr Word32
-- pvReserved : void* optional -> Ptr ()
-- ppPrinterNotifyInfo : void** optional, out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。
-- ※値渡し構造体は GHC FFI で直接渡せません。Ptr で渡すラッパ(C側)経由にしてください。
open Ctypes
open Foreign

let findnextprinterchangenotification =
  foreign "FindNextPrinterChangeNotification"
    (FINDPRINTERCHANGENOTIFICATION_HANDLE @-> (ptr uint32_t) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE -> FINDPRINTERCHANGENOTIFICATION_HANDLE *)
(* pdwChange : DWORD* optional, out -> (ptr uint32_t) *)
(* pvReserved : void* optional -> (ptr void) *)
(* ppPrinterNotifyInfo : void** optional, out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)
(cffi:define-foreign-library winspool.drv (t "winspool.drv"))
(cffi:use-foreign-library winspool.drv)

(cffi:defcfun ("FindNextPrinterChangeNotification" find-next-printer-change-notification :convention :stdcall) :int32
  (h-change (:struct findprinterchangenotification-handle))   ; FINDPRINTERCHANGENOTIFICATION_HANDLE
  (pdw-change :pointer)   ; DWORD* optional, out
  (pv-reserved :pointer)   ; void* optional
  (pp-printer-notify-info :pointer))   ; void** optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $FindNextPrinterChangeNotification = Win32::API::More->new('winspool.drv',
    'BOOL FindNextPrinterChangeNotification(LPVOID hChange, LPVOID pdwChange, LPVOID pvReserved, LPVOID ppPrinterNotifyInfo)');
# my $ret = $FindNextPrinterChangeNotification->Call($hChange, $pdwChange, $pvReserved, $ppPrinterNotifyInfo);
# hChange : FINDPRINTERCHANGENOTIFICATION_HANDLE -> LPVOID
# pdwChange : DWORD* optional, out -> LPVOID
# pvReserved : void* optional -> LPVOID
# ppPrinterNotifyInfo : void** optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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