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EnumPrinterDataW

関数

プリンタの構成データ値を順に列挙する(Unicode版)。

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

シグネチャ

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

DWORD EnumPrinterDataW(
    PRINTER_HANDLE hPrinter,
    DWORD dwIndex,
    LPWSTR pValueName,
    DWORD cbValueName,
    DWORD* pcbValueName,
    DWORD* pType,   // optional
    BYTE* pData,   // optional
    DWORD cbData,
    DWORD* pcbData   // optional
);

パラメーター

名前	型	方向	説明
hPrinter	PRINTER_HANDLE	in	設定値を列挙する対象プリンターのハンドル。
dwIndex	DWORD	in	列挙する値の0始まりのインデックス。順に増やして呼び出す。
pValueName	LPWSTR	out	値の名前を受け取るバッファへのポインタ。
cbValueName	DWORD	in	pValueNameバッファのサイズ(バイト単位)。
pcbValueName	DWORD*	out	実際の値名サイズを受け取る変数へのポインタ。
pType	DWORD*	outoptional	値のデータ型を受け取る変数へのポインタ。NULL可。
pData	BYTE*	outoptional	値データを受け取るバッファへのポインタ。
cbData	DWORD	in	pDataバッファのサイズ(バイト単位)。
pcbData	DWORD*	outoptional	実際の値データサイズを受け取る変数へのポインタ。

戻り値の型: DWORD

各言語での呼び出し定義

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

DWORD EnumPrinterDataW(
    PRINTER_HANDLE hPrinter,
    DWORD dwIndex,
    LPWSTR pValueName,
    DWORD cbValueName,
    DWORD* pcbValueName,
    DWORD* pType,   // optional
    BYTE* pData,   // optional
    DWORD cbData,
    DWORD* pcbData   // optional
);

[DllImport("winspool.drv", CharSet = CharSet.Unicode, ExactSpelling = true)]
static extern uint EnumPrinterDataW(
    PRINTER_HANDLE hPrinter,   // PRINTER_HANDLE
    uint dwIndex,   // DWORD
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pValueName,   // LPWSTR out
    uint cbValueName,   // DWORD
    out uint pcbValueName,   // DWORD* out
    IntPtr pType,   // DWORD* optional, out
    IntPtr pData,   // BYTE* optional, out
    uint cbData,   // DWORD
    IntPtr pcbData   // DWORD* optional, out
);

<DllImport("winspool.drv", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function EnumPrinterDataW(
    hPrinter As PRINTER_HANDLE,   ' PRINTER_HANDLE
    dwIndex As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> pValueName As System.Text.StringBuilder,   ' LPWSTR out
    cbValueName As UInteger,   ' DWORD
    <Out> ByRef pcbValueName As UInteger,   ' DWORD* out
    pType As IntPtr,   ' DWORD* optional, out
    pData As IntPtr,   ' BYTE* optional, out
    cbData As UInteger,   ' DWORD
    pcbData As IntPtr   ' DWORD* optional, out
) As UInteger
End Function

' hPrinter : PRINTER_HANDLE
' dwIndex : DWORD
' pValueName : LPWSTR out
' cbValueName : DWORD
' pcbValueName : DWORD* out
' pType : DWORD* optional, out
' pData : BYTE* optional, out
' cbData : DWORD
' pcbData : DWORD* optional, out
Declare PtrSafe Function EnumPrinterDataW Lib "winspool.drv" ( _
    ByVal hPrinter As LongPtr, _
    ByVal dwIndex As Long, _
    ByVal pValueName As LongPtr, _
    ByVal cbValueName As Long, _
    ByRef pcbValueName As Long, _
    ByVal pType As LongPtr, _
    ByVal pData As LongPtr, _
    ByVal cbData As Long, _
    ByVal pcbData As LongPtr) 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

EnumPrinterDataW = ctypes.windll.LoadLibrary("winspool.drv").EnumPrinterDataW
EnumPrinterDataW.restype = wintypes.DWORD
EnumPrinterDataW.argtypes = [
    PRINTER_HANDLE,  # hPrinter : PRINTER_HANDLE
    wintypes.DWORD,  # dwIndex : DWORD
    wintypes.LPWSTR,  # pValueName : LPWSTR out
    wintypes.DWORD,  # cbValueName : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcbValueName : DWORD* out
    ctypes.POINTER(wintypes.DWORD),  # pType : DWORD* optional, out
    ctypes.POINTER(ctypes.c_ubyte),  # pData : BYTE* optional, out
    wintypes.DWORD,  # cbData : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcbData : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
EnumPrinterDataW = Fiddle::Function.new(
  lib['EnumPrinterDataW'],
  [
    Fiddle::TYPE_VOIDP,  # hPrinter : PRINTER_HANDLE
    -Fiddle::TYPE_INT,  # dwIndex : DWORD
    Fiddle::TYPE_VOIDP,  # pValueName : LPWSTR out
    -Fiddle::TYPE_INT,  # cbValueName : DWORD
    Fiddle::TYPE_VOIDP,  # pcbValueName : DWORD* out
    Fiddle::TYPE_VOIDP,  # pType : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # pData : BYTE* optional, out
    -Fiddle::TYPE_INT,  # cbData : DWORD
    Fiddle::TYPE_VOIDP,  # pcbData : DWORD* optional, out
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "winspool.drv")]
extern "system" {
    fn EnumPrinterDataW(
        hPrinter: PRINTER_HANDLE,  // PRINTER_HANDLE
        dwIndex: u32,  // DWORD
        pValueName: *mut u16,  // LPWSTR out
        cbValueName: u32,  // DWORD
        pcbValueName: *mut u32,  // DWORD* out
        pType: *mut u32,  // DWORD* optional, out
        pData: *mut u8,  // BYTE* optional, out
        cbData: u32,  // DWORD
        pcbData: *mut u32  // DWORD* optional, out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("winspool.drv", CharSet = CharSet.Unicode)]
public static extern uint EnumPrinterDataW(PRINTER_HANDLE hPrinter, uint dwIndex, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pValueName, uint cbValueName, out uint pcbValueName, IntPtr pType, IntPtr pData, uint cbData, IntPtr pcbData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_EnumPrinterDataW' -Namespace Win32 -PassThru
# $api::EnumPrinterDataW(hPrinter, dwIndex, pValueName, cbValueName, pcbValueName, pType, pData, cbData, pcbData)

#uselib "winspool.drv"
#func global EnumPrinterDataW "EnumPrinterDataW" wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr, wptr
; EnumPrinterDataW hPrinter, dwIndex, varptr(pValueName), cbValueName, varptr(pcbValueName), varptr(pType), varptr(pData), cbData, varptr(pcbData)   ; 戻り値は stat
; hPrinter : PRINTER_HANDLE -> "wptr"
; dwIndex : DWORD -> "wptr"
; pValueName : LPWSTR out -> "wptr"
; cbValueName : DWORD -> "wptr"
; pcbValueName : DWORD* out -> "wptr"
; pType : DWORD* optional, out -> "wptr"
; pData : BYTE* optional, out -> "wptr"
; cbData : DWORD -> "wptr"
; pcbData : DWORD* optional, 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 EnumPrinterDataW "EnumPrinterDataW" int, int, var, int, var, var, var, int, var
; res = EnumPrinterDataW(hPrinter, dwIndex, pValueName, cbValueName, pcbValueName, pType, pData, cbData, pcbData)
; hPrinter : PRINTER_HANDLE -> "int"
; dwIndex : DWORD -> "int"
; pValueName : LPWSTR out -> "var"
; cbValueName : DWORD -> "int"
; pcbValueName : DWORD* out -> "var"
; pType : DWORD* optional, out -> "var"
; pData : BYTE* optional, out -> "var"
; cbData : DWORD -> "int"
; pcbData : DWORD* optional, 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 EnumPrinterDataW "EnumPrinterDataW" int, int, sptr, int, sptr, sptr, sptr, int, sptr
; res = EnumPrinterDataW(hPrinter, dwIndex, varptr(pValueName), cbValueName, varptr(pcbValueName), varptr(pType), varptr(pData), cbData, varptr(pcbData))
; hPrinter : PRINTER_HANDLE -> "int"
; dwIndex : DWORD -> "int"
; pValueName : LPWSTR out -> "sptr"
; cbValueName : DWORD -> "int"
; pcbValueName : DWORD* out -> "sptr"
; pType : DWORD* optional, out -> "sptr"
; pData : BYTE* optional, out -> "sptr"
; cbData : DWORD -> "int"
; pcbData : DWORD* 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/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; DWORD EnumPrinterDataW(PRINTER_HANDLE hPrinter, DWORD dwIndex, LPWSTR pValueName, DWORD cbValueName, DWORD* pcbValueName, DWORD* pType, BYTE* pData, DWORD cbData, DWORD* pcbData)
#uselib "winspool.drv"
#cfunc global EnumPrinterDataW "EnumPrinterDataW" int, int, var, int, var, var, var, int, var
; res = EnumPrinterDataW(hPrinter, dwIndex, pValueName, cbValueName, pcbValueName, pType, pData, cbData, pcbData)
; hPrinter : PRINTER_HANDLE -> "int"
; dwIndex : DWORD -> "int"
; pValueName : LPWSTR out -> "var"
; cbValueName : DWORD -> "int"
; pcbValueName : DWORD* out -> "var"
; pType : DWORD* optional, out -> "var"
; pData : BYTE* optional, out -> "var"
; cbData : DWORD -> "int"
; pcbData : DWORD* optional, 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。; DWORD EnumPrinterDataW(PRINTER_HANDLE hPrinter, DWORD dwIndex, LPWSTR pValueName, DWORD cbValueName, DWORD* pcbValueName, DWORD* pType, BYTE* pData, DWORD cbData, DWORD* pcbData)
#uselib "winspool.drv"
#cfunc global EnumPrinterDataW "EnumPrinterDataW" int, int, intptr, int, intptr, intptr, intptr, int, intptr
; res = EnumPrinterDataW(hPrinter, dwIndex, varptr(pValueName), cbValueName, varptr(pcbValueName), varptr(pType), varptr(pData), cbData, varptr(pcbData))
; hPrinter : PRINTER_HANDLE -> "int"
; dwIndex : DWORD -> "int"
; pValueName : LPWSTR out -> "intptr"
; cbValueName : DWORD -> "int"
; pcbValueName : DWORD* out -> "intptr"
; pType : DWORD* optional, out -> "intptr"
; pData : BYTE* optional, out -> "intptr"
; cbData : DWORD -> "int"
; pcbData : DWORD* 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")
	procEnumPrinterDataW = winspool_drv.NewProc("EnumPrinterDataW")
)

// hPrinter (PRINTER_HANDLE), dwIndex (DWORD), pValueName (LPWSTR out), cbValueName (DWORD), pcbValueName (DWORD* out), pType (DWORD* optional, out), pData (BYTE* optional, out), cbData (DWORD), pcbData (DWORD* optional, out)
r1, _, err := procEnumPrinterDataW.Call(
	uintptr(hPrinter),
	uintptr(dwIndex),
	uintptr(pValueName),
	uintptr(cbValueName),
	uintptr(pcbValueName),
	uintptr(pType),
	uintptr(pData),
	uintptr(cbData),
	uintptr(pcbData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function EnumPrinterDataW(
  hPrinter: PRINTER_HANDLE;   // PRINTER_HANDLE
  dwIndex: DWORD;   // DWORD
  pValueName: PWideChar;   // LPWSTR out
  cbValueName: DWORD;   // DWORD
  pcbValueName: Pointer;   // DWORD* out
  pType: Pointer;   // DWORD* optional, out
  pData: Pointer;   // BYTE* optional, out
  cbData: DWORD;   // DWORD
  pcbData: Pointer   // DWORD* optional, out
): DWORD; stdcall;
  external 'winspool.drv' name 'EnumPrinterDataW';

result := DllCall("winspool.drv\EnumPrinterDataW"
    , "Ptr", hPrinter   ; PRINTER_HANDLE
    , "UInt", dwIndex   ; DWORD
    , "Ptr", pValueName   ; LPWSTR out
    , "UInt", cbValueName   ; DWORD
    , "Ptr", pcbValueName   ; DWORD* out
    , "Ptr", pType   ; DWORD* optional, out
    , "Ptr", pData   ; BYTE* optional, out
    , "UInt", cbData   ; DWORD
    , "Ptr", pcbData   ; DWORD* optional, out
    , "UInt")   ; return: DWORD

●EnumPrinterDataW(hPrinter, dwIndex, pValueName, cbValueName, pcbValueName, pType, pData, cbData, pcbData) = DLL("winspool.drv", "dword EnumPrinterDataW(void*, dword, char*, dword, void*, void*, void*, dword, void*)")
# 呼び出し: EnumPrinterDataW(hPrinter, dwIndex, pValueName, cbValueName, pcbValueName, pType, pData, cbData, pcbData)
# hPrinter : PRINTER_HANDLE -> "void*"
# dwIndex : DWORD -> "dword"
# pValueName : LPWSTR out -> "char*"
# cbValueName : DWORD -> "dword"
# pcbValueName : DWORD* out -> "void*"
# pType : DWORD* optional, out -> "void*"
# pData : BYTE* optional, out -> "void*"
# cbData : DWORD -> "dword"
# pcbData : DWORD* 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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。