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ホームGraphics.Printing › WaitForPrinterChange

WaitForPrinterChange

関数
プリンターの状態変化が起きるまで待機する。
DLLwinspool.drv呼出規約winapi

シグネチャ

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

DWORD WaitForPrinterChange(
    PRINTER_HANDLE hPrinter,
    DWORD Flags
);

パラメーター

名前方向
hPrinterPRINTER_HANDLEin
FlagsDWORDin

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   // DWORD
function 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)。