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EnumPrinterDataExA

関数

指定キー配下のプリンタ構成データ値を列挙する(ANSI版)。

DLLwinspool.drv文字セットANSI (-A)呼出規約winapi

シグネチャ

// winspool.drv  (ANSI / -A)
#include <windows.h>

DWORD EnumPrinterDataExA(
    PRINTER_HANDLE hPrinter,
    LPCSTR pKeyName,
    BYTE* pEnumValues,   // optional
    DWORD cbEnumValues,
    DWORD* pcbEnumValues,
    DWORD* pnEnumValues
);

パラメーター

名前	型	方向
hPrinter	PRINTER_HANDLE	in
pKeyName	LPCSTR	in
pEnumValues	BYTE*	outoptional
cbEnumValues	DWORD	in
pcbEnumValues	DWORD*	out
pnEnumValues	DWORD*	out

戻り値の型: DWORD

各言語での呼び出し定義

// winspool.drv  (ANSI / -A)
#include <windows.h>

DWORD EnumPrinterDataExA(
    PRINTER_HANDLE hPrinter,
    LPCSTR pKeyName,
    BYTE* pEnumValues,   // optional
    DWORD cbEnumValues,
    DWORD* pcbEnumValues,
    DWORD* pnEnumValues
);

[DllImport("winspool.drv", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern uint EnumPrinterDataExA(
    PRINTER_HANDLE hPrinter,   // PRINTER_HANDLE
    [MarshalAs(UnmanagedType.LPStr)] string pKeyName,   // LPCSTR
    IntPtr pEnumValues,   // BYTE* optional, out
    uint cbEnumValues,   // DWORD
    out uint pcbEnumValues,   // DWORD* out
    out uint pnEnumValues   // DWORD* out
);

<DllImport("winspool.drv", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function EnumPrinterDataExA(
    hPrinter As PRINTER_HANDLE,   ' PRINTER_HANDLE
    <MarshalAs(UnmanagedType.LPStr)> pKeyName As String,   ' LPCSTR
    pEnumValues As IntPtr,   ' BYTE* optional, out
    cbEnumValues As UInteger,   ' DWORD
    <Out> ByRef pcbEnumValues As UInteger,   ' DWORD* out
    <Out> ByRef pnEnumValues As UInteger   ' DWORD* out
) As UInteger
End Function

' hPrinter : PRINTER_HANDLE
' pKeyName : LPCSTR
' pEnumValues : BYTE* optional, out
' cbEnumValues : DWORD
' pcbEnumValues : DWORD* out
' pnEnumValues : DWORD* out
Declare PtrSafe Function EnumPrinterDataExA Lib "winspool.drv" ( _
    ByVal hPrinter As LongPtr, _
    ByVal pKeyName As String, _
    ByVal pEnumValues As LongPtr, _
    ByVal cbEnumValues As Long, _
    ByRef pcbEnumValues As Long, _
    ByRef pnEnumValues 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

EnumPrinterDataExA = ctypes.windll.LoadLibrary("winspool.drv").EnumPrinterDataExA
EnumPrinterDataExA.restype = wintypes.DWORD
EnumPrinterDataExA.argtypes = [
    PRINTER_HANDLE,  # hPrinter : PRINTER_HANDLE
    wintypes.LPCSTR,  # pKeyName : LPCSTR
    ctypes.POINTER(ctypes.c_ubyte),  # pEnumValues : BYTE* optional, out
    wintypes.DWORD,  # cbEnumValues : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcbEnumValues : DWORD* out
    ctypes.POINTER(wintypes.DWORD),  # pnEnumValues : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winspool.drv')
EnumPrinterDataExA = Fiddle::Function.new(
  lib['EnumPrinterDataExA'],
  [
    Fiddle::TYPE_VOIDP,  # hPrinter : PRINTER_HANDLE
    Fiddle::TYPE_VOIDP,  # pKeyName : LPCSTR
    Fiddle::TYPE_VOIDP,  # pEnumValues : BYTE* optional, out
    -Fiddle::TYPE_INT,  # cbEnumValues : DWORD
    Fiddle::TYPE_VOIDP,  # pcbEnumValues : DWORD* out
    Fiddle::TYPE_VOIDP,  # pnEnumValues : DWORD* out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "winspool.drv")]
extern "system" {
    fn EnumPrinterDataExA(
        hPrinter: PRINTER_HANDLE,  // PRINTER_HANDLE
        pKeyName: *const u8,  // LPCSTR
        pEnumValues: *mut u8,  // BYTE* optional, out
        cbEnumValues: u32,  // DWORD
        pcbEnumValues: *mut u32,  // DWORD* out
        pnEnumValues: *mut u32  // DWORD* out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("winspool.drv", CharSet = CharSet.Ansi)]
public static extern uint EnumPrinterDataExA(PRINTER_HANDLE hPrinter, [MarshalAs(UnmanagedType.LPStr)] string pKeyName, IntPtr pEnumValues, uint cbEnumValues, out uint pcbEnumValues, out uint pnEnumValues);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winspool.drv_EnumPrinterDataExA' -Namespace Win32 -PassThru
# $api::EnumPrinterDataExA(hPrinter, pKeyName, pEnumValues, cbEnumValues, pcbEnumValues, pnEnumValues)

#uselib "winspool.drv"
#func global EnumPrinterDataExA "EnumPrinterDataExA" sptr, sptr, sptr, sptr, sptr, sptr
; EnumPrinterDataExA hPrinter, pKeyName, varptr(pEnumValues), cbEnumValues, varptr(pcbEnumValues), varptr(pnEnumValues)   ; 戻り値は stat
; hPrinter : PRINTER_HANDLE -> "sptr"
; pKeyName : LPCSTR -> "sptr"
; pEnumValues : BYTE* optional, out -> "sptr"
; cbEnumValues : DWORD -> "sptr"
; pcbEnumValues : DWORD* out -> "sptr"
; pnEnumValues : 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。
; ※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 EnumPrinterDataExA "EnumPrinterDataExA" int, str, var, int, var, var
; res = EnumPrinterDataExA(hPrinter, pKeyName, pEnumValues, cbEnumValues, pcbEnumValues, pnEnumValues)
; hPrinter : PRINTER_HANDLE -> "int"
; pKeyName : LPCSTR -> "str"
; pEnumValues : BYTE* optional, out -> "var"
; cbEnumValues : DWORD -> "int"
; pcbEnumValues : DWORD* out -> "var"
; pnEnumValues : 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 EnumPrinterDataExA "EnumPrinterDataExA" int, str, sptr, int, sptr, sptr
; res = EnumPrinterDataExA(hPrinter, pKeyName, varptr(pEnumValues), cbEnumValues, varptr(pcbEnumValues), varptr(pnEnumValues))
; hPrinter : PRINTER_HANDLE -> "int"
; pKeyName : LPCSTR -> "str"
; pEnumValues : BYTE* optional, out -> "sptr"
; cbEnumValues : DWORD -> "int"
; pcbEnumValues : DWORD* out -> "sptr"
; pnEnumValues : 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:

; DWORD EnumPrinterDataExA(PRINTER_HANDLE hPrinter, LPCSTR pKeyName, BYTE* pEnumValues, DWORD cbEnumValues, DWORD* pcbEnumValues, DWORD* pnEnumValues)
#uselib "winspool.drv"
#cfunc global EnumPrinterDataExA "EnumPrinterDataExA" int, str, var, int, var, var
; res = EnumPrinterDataExA(hPrinter, pKeyName, pEnumValues, cbEnumValues, pcbEnumValues, pnEnumValues)
; hPrinter : PRINTER_HANDLE -> "int"
; pKeyName : LPCSTR -> "str"
; pEnumValues : BYTE* optional, out -> "var"
; cbEnumValues : DWORD -> "int"
; pcbEnumValues : DWORD* out -> "var"
; pnEnumValues : 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。; DWORD EnumPrinterDataExA(PRINTER_HANDLE hPrinter, LPCSTR pKeyName, BYTE* pEnumValues, DWORD cbEnumValues, DWORD* pcbEnumValues, DWORD* pnEnumValues)
#uselib "winspool.drv"
#cfunc global EnumPrinterDataExA "EnumPrinterDataExA" int, str, intptr, int, intptr, intptr
; res = EnumPrinterDataExA(hPrinter, pKeyName, varptr(pEnumValues), cbEnumValues, varptr(pcbEnumValues), varptr(pnEnumValues))
; hPrinter : PRINTER_HANDLE -> "int"
; pKeyName : LPCSTR -> "str"
; pEnumValues : BYTE* optional, out -> "intptr"
; cbEnumValues : DWORD -> "int"
; pcbEnumValues : DWORD* out -> "intptr"
; pnEnumValues : 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")
	procEnumPrinterDataExA = winspool_drv.NewProc("EnumPrinterDataExA")
)

// hPrinter (PRINTER_HANDLE), pKeyName (LPCSTR), pEnumValues (BYTE* optional, out), cbEnumValues (DWORD), pcbEnumValues (DWORD* out), pnEnumValues (DWORD* out)
r1, _, err := procEnumPrinterDataExA.Call(
	uintptr(hPrinter),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pKeyName))),
	uintptr(pEnumValues),
	uintptr(cbEnumValues),
	uintptr(pcbEnumValues),
	uintptr(pnEnumValues),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function EnumPrinterDataExA(
  hPrinter: PRINTER_HANDLE;   // PRINTER_HANDLE
  pKeyName: PAnsiChar;   // LPCSTR
  pEnumValues: Pointer;   // BYTE* optional, out
  cbEnumValues: DWORD;   // DWORD
  pcbEnumValues: Pointer;   // DWORD* out
  pnEnumValues: Pointer   // DWORD* out
): DWORD; stdcall;
  external 'winspool.drv' name 'EnumPrinterDataExA';

result := DllCall("winspool.drv\EnumPrinterDataExA"
    , "Ptr", hPrinter   ; PRINTER_HANDLE
    , "AStr", pKeyName   ; LPCSTR
    , "Ptr", pEnumValues   ; BYTE* optional, out
    , "UInt", cbEnumValues   ; DWORD
    , "Ptr", pcbEnumValues   ; DWORD* out
    , "Ptr", pnEnumValues   ; DWORD* out
    , "UInt")   ; return: DWORD

●EnumPrinterDataExA(hPrinter, pKeyName, pEnumValues, cbEnumValues, pcbEnumValues, pnEnumValues) = DLL("winspool.drv", "dword EnumPrinterDataExA(void*, char*, void*, dword, void*, void*)")
# 呼び出し: EnumPrinterDataExA(hPrinter, pKeyName, pEnumValues, cbEnumValues, pcbEnumValues, pnEnumValues)
# hPrinter : PRINTER_HANDLE -> "void*"
# pKeyName : LPCSTR -> "char*"
# pEnumValues : BYTE* optional, out -> "void*"
# cbEnumValues : DWORD -> "dword"
# pcbEnumValues : DWORD* out -> "void*"
# pnEnumValues : 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)。