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WaitForPrinterChange
関数プリンターの状態変化が起きるまで待機する。
シグネチャ
// winspool.drv
#include <windows.h>
DWORD WaitForPrinterChange(
PRINTER_HANDLE hPrinter,
DWORD Flags
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| hPrinter | PRINTER_HANDLE | in | 変更を待機する対象プリンターのハンドル。 |
| Flags | DWORD | in | 通知対象とする変更種別を示すフラグ。PRINTER_CHANGE_JOB等を組み合わせる。 |
戻り値の型: DWORD
各言語での呼び出し定義
// winspool.drv
#include <windows.h>
DWORD WaitForPrinterChange(
PRINTER_HANDLE hPrinter,
DWORD Flags
);[DllImport("winspool.drv", ExactSpelling = true)]
static extern uint WaitForPrinterChange(
PRINTER_HANDLE hPrinter, // PRINTER_HANDLE
uint Flags // DWORD
);<DllImport("winspool.drv", ExactSpelling:=True)>
Public Shared Function WaitForPrinterChange(
hPrinter As PRINTER_HANDLE, ' PRINTER_HANDLE
Flags As UInteger ' DWORD
) As UInteger
End Function' hPrinter : PRINTER_HANDLE
' Flags : DWORD
Declare PtrSafe Function WaitForPrinterChange Lib "winspool.drv" ( _
ByVal hPrinter As LongPtr, _
ByVal Flags 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
WaitForPrinterChange = ctypes.windll.LoadLibrary("winspool.drv").WaitForPrinterChange
WaitForPrinterChange.restype = wintypes.DWORD
WaitForPrinterChange.argtypes = [
PRINTER_HANDLE, # hPrinter : PRINTER_HANDLE
wintypes.DWORD, # Flags : DWORD
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('winspool.drv')
WaitForPrinterChange = Fiddle::Function.new(
lib['WaitForPrinterChange'],
[
Fiddle::TYPE_VOIDP, # hPrinter : PRINTER_HANDLE
-Fiddle::TYPE_INT, # Flags : DWORD
],
-Fiddle::TYPE_INT)#[link(name = "winspool.drv")]
extern "system" {
fn WaitForPrinterChange(
hPrinter: PRINTER_HANDLE, // PRINTER_HANDLE
Flags: u32 // DWORD
) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("winspool.drv")]
public static extern uint WaitForPrinterChange(PRINTER_HANDLE hPrinter, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_WaitForPrinterChange' -Namespace Win32 -PassThru
# $api::WaitForPrinterChange(hPrinter, Flags)#uselib "winspool.drv"
#func global WaitForPrinterChange "WaitForPrinterChange" sptr, sptr
; WaitForPrinterChange hPrinter, Flags ; 戻り値は stat
; hPrinter : PRINTER_HANDLE -> "sptr"
; Flags : DWORD -> "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。#uselib "winspool.drv"
#cfunc global WaitForPrinterChange "WaitForPrinterChange" int, int
; res = WaitForPrinterChange(hPrinter, Flags)
; hPrinter : PRINTER_HANDLE -> "int"
; Flags : DWORD -> "int"
; ※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。; DWORD WaitForPrinterChange(PRINTER_HANDLE hPrinter, DWORD Flags)
#uselib "winspool.drv"
#cfunc global WaitForPrinterChange "WaitForPrinterChange" int, int
; res = WaitForPrinterChange(hPrinter, Flags)
; hPrinter : PRINTER_HANDLE -> "int"
; Flags : DWORD -> "int"
; ※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。import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
winspool_drv = windows.NewLazySystemDLL("winspool.drv")
procWaitForPrinterChange = winspool_drv.NewProc("WaitForPrinterChange")
)
// hPrinter (PRINTER_HANDLE), Flags (DWORD)
r1, _, err := procWaitForPrinterChange.Call(
uintptr(hPrinter),
uintptr(Flags),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // DWORDfunction WaitForPrinterChange(
hPrinter: PRINTER_HANDLE; // PRINTER_HANDLE
Flags: DWORD // DWORD
): DWORD; stdcall;
external 'winspool.drv' name 'WaitForPrinterChange';result := DllCall("winspool.drv\WaitForPrinterChange"
, "Ptr", hPrinter ; PRINTER_HANDLE
, "UInt", Flags ; DWORD
, "UInt") ; return: DWORD●WaitForPrinterChange(hPrinter, Flags) = DLL("winspool.drv", "dword WaitForPrinterChange(void*, dword)")
# 呼び出し: WaitForPrinterChange(hPrinter, Flags)
# hPrinter : PRINTER_HANDLE -> "void*"
# Flags : DWORD -> "dword"
# 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 WaitForPrinterChange(
hPrinter: PRINTER_HANDLE, // PRINTER_HANDLE
Flags: u32 // DWORD
) callconv(std.os.windows.WINAPI) u32;proc WaitForPrinterChange(
hPrinter: PRINTER_HANDLE, # PRINTER_HANDLE
Flags: uint32 # DWORD
): uint32 {.importc: "WaitForPrinterChange", stdcall, dynlib: "winspool.drv".}pragma(lib, "winspool.drv");
extern(Windows)
uint WaitForPrinterChange(
PRINTER_HANDLE hPrinter, // PRINTER_HANDLE
uint Flags // DWORD
);ccall((:WaitForPrinterChange, "winspool.drv"), stdcall, UInt32,
(PRINTER_HANDLE, UInt32),
hPrinter, Flags)
# hPrinter : PRINTER_HANDLE -> PRINTER_HANDLE
# Flags : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
uint32_t WaitForPrinterChange(
PRINTER_HANDLE hPrinter,
uint32_t Flags);
]]
local winspool.drv = ffi.load("winspool.drv")
-- winspool.drv.WaitForPrinterChange(hPrinter, Flags)
-- hPrinter : PRINTER_HANDLE
-- Flags : DWORD
-- 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 WaitForPrinterChange = lib.func('__stdcall', 'WaitForPrinterChange', 'uint32_t', ['PRINTER_HANDLE', 'uint32_t']);
// WaitForPrinterChange(hPrinter, Flags)
// hPrinter : PRINTER_HANDLE -> 'PRINTER_HANDLE'
// Flags : DWORD -> 'uint32_t'
// 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", {
WaitForPrinterChange: { parameters: ["buffer", "u32"], result: "u32" },
});
// lib.symbols.WaitForPrinterChange(hPrinter, Flags)
// hPrinter : PRINTER_HANDLE -> "buffer"
// Flags : DWORD -> "u32"
// 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
uint32_t WaitForPrinterChange(
PRINTER_HANDLE hPrinter,
uint32_t Flags);
C, "winspool.drv");
// $ffi->WaitForPrinterChange(hPrinter, Flags);
// hPrinter : PRINTER_HANDLE
// Flags : DWORD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Winspool.drv extends StdCallLibrary {
Winspool.drv INSTANCE = Native.load("winspool.drv", Winspool.drv.class);
int WaitForPrinterChange(
PRINTER_HANDLE /* extends Structure (by value) */ hPrinter, // PRINTER_HANDLE
int Flags // DWORD
);
}@[Link("winspool.drv")]
lib Libwinspool.drv
fun WaitForPrinterChange = WaitForPrinterChange(
hPrinter : PRINTER_HANDLE, # PRINTER_HANDLE
Flags : UInt32 # DWORD
) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef WaitForPrinterChangeNative = Uint32 Function(PRINTER_HANDLE, Uint32);
typedef WaitForPrinterChangeDart = int Function(int, int);
final WaitForPrinterChange = DynamicLibrary.open('winspool.drv')
.lookupFunction<WaitForPrinterChangeNative, WaitForPrinterChangeDart>('WaitForPrinterChange');
// hPrinter : PRINTER_HANDLE -> PRINTER_HANDLE
// Flags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function WaitForPrinterChange(
hPrinter: PRINTER_HANDLE; // PRINTER_HANDLE
Flags: DWORD // DWORD
): DWORD; stdcall;
external 'winspool.drv' name 'WaitForPrinterChange';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "WaitForPrinterChange"
c_WaitForPrinterChange :: PRINTER_HANDLE -> Word32 -> IO Word32
-- hPrinter : PRINTER_HANDLE -> PRINTER_HANDLE
-- Flags : DWORD -> Word32
-- 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 waitforprinterchange =
foreign "WaitForPrinterChange"
(PRINTER_HANDLE @-> uint32_t @-> returning uint32_t)
(* hPrinter : PRINTER_HANDLE -> PRINTER_HANDLE *)
(* Flags : DWORD -> uint32_t *)
(* 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 ("WaitForPrinterChange" wait-for-printer-change :convention :stdcall) :uint32
(h-printer (:struct printer-handle)) ; PRINTER_HANDLE
(flags :uint32)) ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $WaitForPrinterChange = Win32::API::More->new('winspool.drv',
'DWORD WaitForPrinterChange(LPVOID hPrinter, DWORD Flags)');
# my $ret = $WaitForPrinterChange->Call($hPrinter, $Flags);
# hPrinter : PRINTER_HANDLE -> LPVOID
# Flags : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。関連項目
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