EnumJobsW

関数

プリンタのキュー内の印刷ジョブを列挙する(Unicode版)。

DLLwinspool.drv文字セットUnicode (-W)呼出規約winapiSetLastErrorあり

シグネチャ

// winspool.drv  (Unicode / -W)
#include <windows.h>

BOOL EnumJobsW(
    PRINTER_HANDLE hPrinter,
    DWORD FirstJob,
    DWORD NoJobs,
    DWORD Level,
    BYTE* pJob,   // optional
    DWORD cbBuf,
    DWORD* pcbNeeded,
    DWORD* pcReturned
);

パラメーター

名前	型	方向
hPrinter	PRINTER_HANDLE	in
FirstJob	DWORD	in
NoJobs	DWORD	in
Level	DWORD	in
pJob	BYTE*	outoptional
cbBuf	DWORD	in
pcbNeeded	DWORD*	out
pcReturned	DWORD*	out

戻り値の型: BOOL

各言語での呼び出し定義

// winspool.drv  (Unicode / -W)
#include <windows.h>

BOOL EnumJobsW(
    PRINTER_HANDLE hPrinter,
    DWORD FirstJob,
    DWORD NoJobs,
    DWORD Level,
    BYTE* pJob,   // optional
    DWORD cbBuf,
    DWORD* pcbNeeded,
    DWORD* pcReturned
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("winspool.drv", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
static extern bool EnumJobsW(
    PRINTER_HANDLE hPrinter,   // PRINTER_HANDLE
    uint FirstJob,   // DWORD
    uint NoJobs,   // DWORD
    uint Level,   // DWORD
    IntPtr pJob,   // BYTE* optional, out
    uint cbBuf,   // DWORD
    out uint pcbNeeded,   // DWORD* out
    out uint pcReturned   // DWORD* out
);

<DllImport("winspool.drv", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function EnumJobsW(
    hPrinter As PRINTER_HANDLE,   ' PRINTER_HANDLE
    FirstJob As UInteger,   ' DWORD
    NoJobs As UInteger,   ' DWORD
    Level As UInteger,   ' DWORD
    pJob As IntPtr,   ' BYTE* optional, out
    cbBuf As UInteger,   ' DWORD
    <Out> ByRef pcbNeeded As UInteger,   ' DWORD* out
    <Out> ByRef pcReturned As UInteger   ' DWORD* out
) As Boolean
End Function

' hPrinter : PRINTER_HANDLE
' FirstJob : DWORD
' NoJobs : DWORD
' Level : DWORD
' pJob : BYTE* optional, out
' cbBuf : DWORD
' pcbNeeded : DWORD* out
' pcReturned : DWORD* out
Declare PtrSafe Function EnumJobsW Lib "winspool.drv" ( _
    ByVal hPrinter As LongPtr, _
    ByVal FirstJob As Long, _
    ByVal NoJobs As Long, _
    ByVal Level As Long, _
    ByVal pJob As LongPtr, _
    ByVal cbBuf As Long, _
    ByRef pcbNeeded As Long, _
    ByRef pcReturned As Long) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

EnumJobsW = ctypes.windll.LoadLibrary("winspool.drv").EnumJobsW
EnumJobsW.restype = wintypes.BOOL
EnumJobsW.argtypes = [
    PRINTER_HANDLE,  # hPrinter : PRINTER_HANDLE
    wintypes.DWORD,  # FirstJob : DWORD
    wintypes.DWORD,  # NoJobs : DWORD
    wintypes.DWORD,  # Level : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pJob : BYTE* optional, out
    wintypes.DWORD,  # cbBuf : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcbNeeded : DWORD* out
    ctypes.POINTER(wintypes.DWORD),  # pcReturned : DWORD* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
EnumJobsW = Fiddle::Function.new(
  lib['EnumJobsW'],
  [
    Fiddle::TYPE_VOIDP,  # hPrinter : PRINTER_HANDLE
    -Fiddle::TYPE_INT,  # FirstJob : DWORD
    -Fiddle::TYPE_INT,  # NoJobs : DWORD
    -Fiddle::TYPE_INT,  # Level : DWORD
    Fiddle::TYPE_VOIDP,  # pJob : BYTE* optional, out
    -Fiddle::TYPE_INT,  # cbBuf : DWORD
    Fiddle::TYPE_VOIDP,  # pcbNeeded : DWORD* out
    Fiddle::TYPE_VOIDP,  # pcReturned : DWORD* out
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "winspool.drv")]
extern "system" {
    fn EnumJobsW(
        hPrinter: PRINTER_HANDLE,  // PRINTER_HANDLE
        FirstJob: u32,  // DWORD
        NoJobs: u32,  // DWORD
        Level: u32,  // DWORD
        pJob: *mut u8,  // BYTE* optional, out
        cbBuf: u32,  // DWORD
        pcbNeeded: *mut u32,  // DWORD* out
        pcReturned: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("winspool.drv", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool EnumJobsW(PRINTER_HANDLE hPrinter, uint FirstJob, uint NoJobs, uint Level, IntPtr pJob, uint cbBuf, out uint pcbNeeded, out uint pcReturned);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_EnumJobsW' -Namespace Win32 -PassThru
# $api::EnumJobsW(hPrinter, FirstJob, NoJobs, Level, pJob, cbBuf, pcbNeeded, pcReturned)

#uselib "winspool.drv"
#func global EnumJobsW "EnumJobsW" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; EnumJobsW hPrinter, FirstJob, NoJobs, Level, varptr(pJob), cbBuf, varptr(pcbNeeded), varptr(pcReturned)   ; 戻り値は stat
; hPrinter : PRINTER_HANDLE -> "wptr"
; FirstJob : DWORD -> "wptr"
; NoJobs : DWORD -> "wptr"
; Level : DWORD -> "wptr"
; pJob : BYTE* optional, out -> "wptr"
; cbBuf : DWORD -> "wptr"
; pcbNeeded : DWORD* out -> "wptr"
; pcReturned : DWORD* out -> "wptr"
; ※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 EnumJobsW "EnumJobsW" int, int, int, int, var, int, var, var
; res = EnumJobsW(hPrinter, FirstJob, NoJobs, Level, pJob, cbBuf, pcbNeeded, pcReturned)
; hPrinter : PRINTER_HANDLE -> "int"
; FirstJob : DWORD -> "int"
; NoJobs : DWORD -> "int"
; Level : DWORD -> "int"
; pJob : BYTE* optional, out -> "var"
; cbBuf : DWORD -> "int"
; pcbNeeded : DWORD* out -> "var"
; pcReturned : DWORD* out -> "var"
; ※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。#uselib "winspool.drv"
#cfunc global EnumJobsW "EnumJobsW" int, int, int, int, sptr, int, sptr, sptr
; res = EnumJobsW(hPrinter, FirstJob, NoJobs, Level, varptr(pJob), cbBuf, varptr(pcbNeeded), varptr(pcReturned))
; hPrinter : PRINTER_HANDLE -> "int"
; FirstJob : DWORD -> "int"
; NoJobs : DWORD -> "int"
; Level : DWORD -> "int"
; pJob : BYTE* optional, out -> "sptr"
; cbBuf : DWORD -> "int"
; pcbNeeded : DWORD* out -> "sptr"
; pcReturned : DWORD* 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/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; BOOL EnumJobsW(PRINTER_HANDLE hPrinter, DWORD FirstJob, DWORD NoJobs, DWORD Level, BYTE* pJob, DWORD cbBuf, DWORD* pcbNeeded, DWORD* pcReturned)
#uselib "winspool.drv"
#cfunc global EnumJobsW "EnumJobsW" int, int, int, int, var, int, var, var
; res = EnumJobsW(hPrinter, FirstJob, NoJobs, Level, pJob, cbBuf, pcbNeeded, pcReturned)
; hPrinter : PRINTER_HANDLE -> "int"
; FirstJob : DWORD -> "int"
; NoJobs : DWORD -> "int"
; Level : DWORD -> "int"
; pJob : BYTE* optional, out -> "var"
; cbBuf : DWORD -> "int"
; pcbNeeded : DWORD* out -> "var"
; pcReturned : DWORD* out -> "var"
; ※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。; BOOL EnumJobsW(PRINTER_HANDLE hPrinter, DWORD FirstJob, DWORD NoJobs, DWORD Level, BYTE* pJob, DWORD cbBuf, DWORD* pcbNeeded, DWORD* pcReturned)
#uselib "winspool.drv"
#cfunc global EnumJobsW "EnumJobsW" int, int, int, int, intptr, int, intptr, intptr
; res = EnumJobsW(hPrinter, FirstJob, NoJobs, Level, varptr(pJob), cbBuf, varptr(pcbNeeded), varptr(pcReturned))
; hPrinter : PRINTER_HANDLE -> "int"
; FirstJob : DWORD -> "int"
; NoJobs : DWORD -> "int"
; Level : DWORD -> "int"
; pJob : BYTE* optional, out -> "intptr"
; cbBuf : DWORD -> "int"
; pcbNeeded : DWORD* out -> "intptr"
; pcReturned : DWORD* 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/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	winspool_drv = windows.NewLazySystemDLL("winspool.drv")
	procEnumJobsW = winspool_drv.NewProc("EnumJobsW")
)

// hPrinter (PRINTER_HANDLE), FirstJob (DWORD), NoJobs (DWORD), Level (DWORD), pJob (BYTE* optional, out), cbBuf (DWORD), pcbNeeded (DWORD* out), pcReturned (DWORD* out)
r1, _, err := procEnumJobsW.Call(
	uintptr(hPrinter),
	uintptr(FirstJob),
	uintptr(NoJobs),
	uintptr(Level),
	uintptr(pJob),
	uintptr(cbBuf),
	uintptr(pcbNeeded),
	uintptr(pcReturned),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EnumJobsW(
  hPrinter: PRINTER_HANDLE;   // PRINTER_HANDLE
  FirstJob: DWORD;   // DWORD
  NoJobs: DWORD;   // DWORD
  Level: DWORD;   // DWORD
  pJob: Pointer;   // BYTE* optional, out
  cbBuf: DWORD;   // DWORD
  pcbNeeded: Pointer;   // DWORD* out
  pcReturned: Pointer   // DWORD* out
): BOOL; stdcall;
  external 'winspool.drv' name 'EnumJobsW';

result := DllCall("winspool.drv\EnumJobsW"
    , "Ptr", hPrinter   ; PRINTER_HANDLE
    , "UInt", FirstJob   ; DWORD
    , "UInt", NoJobs   ; DWORD
    , "UInt", Level   ; DWORD
    , "Ptr", pJob   ; BYTE* optional, out
    , "UInt", cbBuf   ; DWORD
    , "Ptr", pcbNeeded   ; DWORD* out
    , "Ptr", pcReturned   ; DWORD* out
    , "Int")   ; return: BOOL

●EnumJobsW(hPrinter, FirstJob, NoJobs, Level, pJob, cbBuf, pcbNeeded, pcReturned) = DLL("winspool.drv", "bool EnumJobsW(void*, dword, dword, dword, void*, dword, void*, void*)")
# 呼び出し: EnumJobsW(hPrinter, FirstJob, NoJobs, Level, pJob, cbBuf, pcbNeeded, pcReturned)
# hPrinter : PRINTER_HANDLE -> "void*"
# FirstJob : DWORD -> "dword"
# NoJobs : DWORD -> "dword"
# Level : DWORD -> "dword"
# pJob : BYTE* optional, out -> "void*"
# cbBuf : DWORD -> "dword"
# pcbNeeded : DWORD* out -> "void*"
# pcReturned : DWORD* 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。