Win32 API 日本語リファレンス
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SCardControl

関数
スマートカードリーダーへ直接制御コマンドを送る。
DLLWinSCard.dll呼出規約winapi対応OSWindows XP 以降

シグネチャ

// WinSCard.dll
#include <windows.h>

INT SCardControl(
    UINT_PTR hCard,
    DWORD dwControlCode,
    const void* lpInBuffer,
    DWORD cbInBufferSize,
    void* lpOutBuffer,
    DWORD cbOutBufferSize,
    DWORD* lpBytesReturned
);

パラメーター

名前方向説明
hCardUINT_PTRinSCardConnect から返された参照値。
dwControlCodeDWORDin操作の制御コード。この値は実行する特定の操作を識別します。
lpInBuffervoid*in操作の実行に必要なデータを格納するバッファーへのポインター。dwControlCode パラメーターが入力データを必要としない操作を指定する場合、このパラメーターは NULL にできます。
cbInBufferSizeDWORDinlpInBuffer が指すバッファーのサイズ(バイト単位)。
lpOutBuffervoid*out操作の出力データを受け取るバッファーへのポインター。dwControlCode パラメーターが出力データを生成しない操作を指定する場合、このパラメーターは NULL にできます。
cbOutBufferSizeDWORDinlpOutBuffer が指すバッファーのサイズ(バイト単位)。
lpBytesReturnedDWORD*outlpOutBuffer が指すバッファーに格納されたデータのサイズ(バイト単位)を受け取る DWORD へのポインター。

戻り値の型: INT

公式ドキュメント

リーダーを直接制御できます。SCardConnect の呼び出しが成功した後、SCardDisconnect の呼び出しが成功する前であれば、いつでも呼び出すことができます。

戻り値

この関数は、成功するか失敗するかに応じて異なる値を返します。

戻り値 説明
成功
SCARD_S_SUCCESS。
失敗
エラーコード。詳細については、 Smart Card Return Values を参照してください。

解説(Remarks)

SCardControl 関数はカードへの直接アクセス関数です。その他の直接アクセス関数の詳細については、 Direct Card Access Functions を参照してください。

次の例は制御コードを発行します。この例では、hCardHandle が以前の SCardConnect 呼び出しから受け取った有効なハンドルであり、dwControlCode が事前に有効な制御コードで初期化された DWORD 型の変数であることを前提としています。この特定の制御コードは入力データを必要とせず、出力データも想定していません。


lReturn = SCardControl( hCardHandle,
                        dwControlCode,
                        NULL,
                        0,
                        NULL,
                        0,
                        0 );
if ( SCARD_S_SUCCESS != lReturn )
    printf("Failed SCardControl\n");
出典・ライセンス: 上記「公式ドキュメント」の内容は Microsoft の Win32 API ドキュメント(MicrosoftDocs/sdk-api)を日本語に翻訳・改変したものです。© Microsoft Corporation. CC BY 4.0 で提供。
Microsoft 公式リファレンス: 英語 (en-us) · 日本語 (ja-jp) · 原文ソース (GitHub)

各言語での呼び出し定義

// WinSCard.dll
#include <windows.h>

INT SCardControl(
    UINT_PTR hCard,
    DWORD dwControlCode,
    const void* lpInBuffer,
    DWORD cbInBufferSize,
    void* lpOutBuffer,
    DWORD cbOutBufferSize,
    DWORD* lpBytesReturned
);
[DllImport("WinSCard.dll", ExactSpelling = true)]
static extern int SCardControl(
    UIntPtr hCard,   // UINT_PTR
    uint dwControlCode,   // DWORD
    IntPtr lpInBuffer,   // void*
    uint cbInBufferSize,   // DWORD
    IntPtr lpOutBuffer,   // void* out
    uint cbOutBufferSize,   // DWORD
    out uint lpBytesReturned   // DWORD* out
);
<DllImport("WinSCard.dll", ExactSpelling:=True)>
Public Shared Function SCardControl(
    hCard As UIntPtr,   ' UINT_PTR
    dwControlCode As UInteger,   ' DWORD
    lpInBuffer As IntPtr,   ' void*
    cbInBufferSize As UInteger,   ' DWORD
    lpOutBuffer As IntPtr,   ' void* out
    cbOutBufferSize As UInteger,   ' DWORD
    <Out> ByRef lpBytesReturned As UInteger   ' DWORD* out
) As Integer
End Function
' hCard : UINT_PTR
' dwControlCode : DWORD
' lpInBuffer : void*
' cbInBufferSize : DWORD
' lpOutBuffer : void* out
' cbOutBufferSize : DWORD
' lpBytesReturned : DWORD* out
Declare PtrSafe Function SCardControl Lib "winscard" ( _
    ByVal hCard As LongPtr, _
    ByVal dwControlCode As Long, _
    ByVal lpInBuffer As LongPtr, _
    ByVal cbInBufferSize As Long, _
    ByVal lpOutBuffer As LongPtr, _
    ByVal cbOutBufferSize As Long, _
    ByRef lpBytesReturned 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

SCardControl = ctypes.windll.winscard.SCardControl
SCardControl.restype = ctypes.c_int
SCardControl.argtypes = [
    ctypes.c_size_t,  # hCard : UINT_PTR
    wintypes.DWORD,  # dwControlCode : DWORD
    ctypes.POINTER(None),  # lpInBuffer : void*
    wintypes.DWORD,  # cbInBufferSize : DWORD
    ctypes.POINTER(None),  # lpOutBuffer : void* out
    wintypes.DWORD,  # cbOutBufferSize : DWORD
    ctypes.POINTER(wintypes.DWORD),  # lpBytesReturned : DWORD* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WinSCard.dll')
SCardControl = Fiddle::Function.new(
  lib['SCardControl'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hCard : UINT_PTR
    -Fiddle::TYPE_INT,  # dwControlCode : DWORD
    Fiddle::TYPE_VOIDP,  # lpInBuffer : void*
    -Fiddle::TYPE_INT,  # cbInBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # lpOutBuffer : void* out
    -Fiddle::TYPE_INT,  # cbOutBufferSize : DWORD
    Fiddle::TYPE_VOIDP,  # lpBytesReturned : DWORD* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "winscard")]
extern "system" {
    fn SCardControl(
        hCard: usize,  // UINT_PTR
        dwControlCode: u32,  // DWORD
        lpInBuffer: *const (),  // void*
        cbInBufferSize: u32,  // DWORD
        lpOutBuffer: *mut (),  // void* out
        cbOutBufferSize: u32,  // DWORD
        lpBytesReturned: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("WinSCard.dll")]
public static extern int SCardControl(UIntPtr hCard, uint dwControlCode, IntPtr lpInBuffer, uint cbInBufferSize, IntPtr lpOutBuffer, uint cbOutBufferSize, out uint lpBytesReturned);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WinSCard_SCardControl' -Namespace Win32 -PassThru
# $api::SCardControl(hCard, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
#uselib "WinSCard.dll"
#func global SCardControl "SCardControl" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SCardControl hCard, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, varptr(lpBytesReturned)   ; 戻り値は stat
; hCard : UINT_PTR -> "sptr"
; dwControlCode : DWORD -> "sptr"
; lpInBuffer : void* -> "sptr"
; cbInBufferSize : DWORD -> "sptr"
; lpOutBuffer : void* out -> "sptr"
; cbOutBufferSize : DWORD -> "sptr"
; lpBytesReturned : DWORD* out -> "sptr"
; ※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 "WinSCard.dll"
#cfunc global SCardControl "SCardControl" sptr, int, sptr, int, sptr, int, var
; res = SCardControl(hCard, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
; hCard : UINT_PTR -> "sptr"
; dwControlCode : DWORD -> "int"
; lpInBuffer : void* -> "sptr"
; cbInBufferSize : DWORD -> "int"
; lpOutBuffer : void* out -> "sptr"
; cbOutBufferSize : DWORD -> "int"
; lpBytesReturned : DWORD* out -> "var"
; ※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。
出力引数:
; INT SCardControl(UINT_PTR hCard, DWORD dwControlCode, void* lpInBuffer, DWORD cbInBufferSize, void* lpOutBuffer, DWORD cbOutBufferSize, DWORD* lpBytesReturned)
#uselib "WinSCard.dll"
#cfunc global SCardControl "SCardControl" intptr, int, intptr, int, intptr, int, var
; res = SCardControl(hCard, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
; hCard : UINT_PTR -> "intptr"
; dwControlCode : DWORD -> "int"
; lpInBuffer : void* -> "intptr"
; cbInBufferSize : DWORD -> "int"
; lpOutBuffer : void* out -> "intptr"
; cbOutBufferSize : DWORD -> "int"
; lpBytesReturned : DWORD* out -> "var"
; ※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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	winscard = windows.NewLazySystemDLL("WinSCard.dll")
	procSCardControl = winscard.NewProc("SCardControl")
)

// hCard (UINT_PTR), dwControlCode (DWORD), lpInBuffer (void*), cbInBufferSize (DWORD), lpOutBuffer (void* out), cbOutBufferSize (DWORD), lpBytesReturned (DWORD* out)
r1, _, err := procSCardControl.Call(
	uintptr(hCard),
	uintptr(dwControlCode),
	uintptr(lpInBuffer),
	uintptr(cbInBufferSize),
	uintptr(lpOutBuffer),
	uintptr(cbOutBufferSize),
	uintptr(lpBytesReturned),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT
function SCardControl(
  hCard: NativeUInt;   // UINT_PTR
  dwControlCode: DWORD;   // DWORD
  lpInBuffer: Pointer;   // void*
  cbInBufferSize: DWORD;   // DWORD
  lpOutBuffer: Pointer;   // void* out
  cbOutBufferSize: DWORD;   // DWORD
  lpBytesReturned: Pointer   // DWORD* out
): Integer; stdcall;
  external 'WinSCard.dll' name 'SCardControl';
result := DllCall("WinSCard\SCardControl"
    , "UPtr", hCard   ; UINT_PTR
    , "UInt", dwControlCode   ; DWORD
    , "Ptr", lpInBuffer   ; void*
    , "UInt", cbInBufferSize   ; DWORD
    , "Ptr", lpOutBuffer   ; void* out
    , "UInt", cbOutBufferSize   ; DWORD
    , "Ptr", lpBytesReturned   ; DWORD* out
    , "Int")   ; return: INT
●SCardControl(hCard, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned) = DLL("WinSCard.dll", "int SCardControl(int, dword, void*, dword, void*, dword, void*)")
# 呼び出し: SCardControl(hCard, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
# hCard : UINT_PTR -> "int"
# dwControlCode : DWORD -> "dword"
# lpInBuffer : void* -> "void*"
# cbInBufferSize : DWORD -> "dword"
# lpOutBuffer : void* out -> "void*"
# cbOutBufferSize : DWORD -> "dword"
# lpBytesReturned : 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)。
const std = @import("std");

extern "winscard" fn SCardControl(
    hCard: usize, // UINT_PTR
    dwControlCode: u32, // DWORD
    lpInBuffer: ?*anyopaque, // void*
    cbInBufferSize: u32, // DWORD
    lpOutBuffer: ?*anyopaque, // void* out
    cbOutBufferSize: u32, // DWORD
    lpBytesReturned: [*c]u32 // DWORD* out
) callconv(std.os.windows.WINAPI) i32;
proc SCardControl(
    hCard: uint,  # UINT_PTR
    dwControlCode: uint32,  # DWORD
    lpInBuffer: pointer,  # void*
    cbInBufferSize: uint32,  # DWORD
    lpOutBuffer: pointer,  # void* out
    cbOutBufferSize: uint32,  # DWORD
    lpBytesReturned: ptr uint32  # DWORD* out
): int32 {.importc: "SCardControl", stdcall, dynlib: "WinSCard.dll".}
pragma(lib, "winscard");
extern(Windows)
int SCardControl(
    size_t hCard,   // UINT_PTR
    uint dwControlCode,   // DWORD
    void* lpInBuffer,   // void*
    uint cbInBufferSize,   // DWORD
    void* lpOutBuffer,   // void* out
    uint cbOutBufferSize,   // DWORD
    uint* lpBytesReturned   // DWORD* out
);
ccall((:SCardControl, "WinSCard.dll"), stdcall, Int32,
      (Csize_t, UInt32, Ptr{Cvoid}, UInt32, Ptr{Cvoid}, UInt32, Ptr{UInt32}),
      hCard, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
# hCard : UINT_PTR -> Csize_t
# dwControlCode : DWORD -> UInt32
# lpInBuffer : void* -> Ptr{Cvoid}
# cbInBufferSize : DWORD -> UInt32
# lpOutBuffer : void* out -> Ptr{Cvoid}
# cbOutBufferSize : DWORD -> UInt32
# lpBytesReturned : DWORD* out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t SCardControl(
    uintptr_t hCard,
    uint32_t dwControlCode,
    void* lpInBuffer,
    uint32_t cbInBufferSize,
    void* lpOutBuffer,
    uint32_t cbOutBufferSize,
    uint32_t* lpBytesReturned);
]]
local winscard = ffi.load("winscard")
-- winscard.SCardControl(hCard, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
-- hCard : UINT_PTR
-- dwControlCode : DWORD
-- lpInBuffer : void*
-- cbInBufferSize : DWORD
-- lpOutBuffer : void* out
-- cbOutBufferSize : DWORD
-- lpBytesReturned : DWORD* out
-- 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('WinSCard.dll');
const SCardControl = lib.func('__stdcall', 'SCardControl', 'int32_t', ['uintptr_t', 'uint32_t', 'void *', 'uint32_t', 'void *', 'uint32_t', 'uint32_t *']);
// SCardControl(hCard, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
// hCard : UINT_PTR -> 'uintptr_t'
// dwControlCode : DWORD -> 'uint32_t'
// lpInBuffer : void* -> 'void *'
// cbInBufferSize : DWORD -> 'uint32_t'
// lpOutBuffer : void* out -> 'void *'
// cbOutBufferSize : DWORD -> 'uint32_t'
// lpBytesReturned : DWORD* out -> '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("WinSCard.dll", {
  SCardControl: { parameters: ["usize", "u32", "pointer", "u32", "pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.SCardControl(hCard, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned)
// hCard : UINT_PTR -> "usize"
// dwControlCode : DWORD -> "u32"
// lpInBuffer : void* -> "pointer"
// cbInBufferSize : DWORD -> "u32"
// lpOutBuffer : void* out -> "pointer"
// cbOutBufferSize : DWORD -> "u32"
// lpBytesReturned : DWORD* out -> "pointer"
// 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
int32_t SCardControl(
    size_t hCard,
    uint32_t dwControlCode,
    void* lpInBuffer,
    uint32_t cbInBufferSize,
    void* lpOutBuffer,
    uint32_t cbOutBufferSize,
    uint32_t* lpBytesReturned);
C, "WinSCard.dll");
// $ffi->SCardControl(hCard, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, lpBytesReturned);
// hCard : UINT_PTR
// dwControlCode : DWORD
// lpInBuffer : void*
// cbInBufferSize : DWORD
// lpOutBuffer : void* out
// cbOutBufferSize : DWORD
// lpBytesReturned : DWORD* out
// 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 Winscard extends StdCallLibrary {
    Winscard INSTANCE = Native.load("winscard", Winscard.class);
    int SCardControl(
        long hCard,   // UINT_PTR
        int dwControlCode,   // DWORD
        Pointer lpInBuffer,   // void*
        int cbInBufferSize,   // DWORD
        Pointer lpOutBuffer,   // void* out
        int cbOutBufferSize,   // DWORD
        IntByReference lpBytesReturned   // DWORD* out
    );
}
@[Link("winscard")]
lib LibWinSCard
  fun SCardControl = SCardControl(
    hCard : LibC::SizeT,   # UINT_PTR
    dwControlCode : UInt32,   # DWORD
    lpInBuffer : Void*,   # void*
    cbInBufferSize : UInt32,   # DWORD
    lpOutBuffer : Void*,   # void* out
    cbOutBufferSize : UInt32,   # DWORD
    lpBytesReturned : UInt32*   # DWORD* out
  ) : Int32
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 SCardControlNative = Int32 Function(UintPtr, Uint32, Pointer<Void>, Uint32, Pointer<Void>, Uint32, Pointer<Uint32>);
typedef SCardControlDart = int Function(int, int, Pointer<Void>, int, Pointer<Void>, int, Pointer<Uint32>);
final SCardControl = DynamicLibrary.open('WinSCard.dll')
    .lookupFunction<SCardControlNative, SCardControlDart>('SCardControl');
// hCard : UINT_PTR -> UintPtr
// dwControlCode : DWORD -> Uint32
// lpInBuffer : void* -> Pointer<Void>
// cbInBufferSize : DWORD -> Uint32
// lpOutBuffer : void* out -> Pointer<Void>
// cbOutBufferSize : DWORD -> Uint32
// lpBytesReturned : DWORD* out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function SCardControl(
  hCard: NativeUInt;   // UINT_PTR
  dwControlCode: DWORD;   // DWORD
  lpInBuffer: Pointer;   // void*
  cbInBufferSize: DWORD;   // DWORD
  lpOutBuffer: Pointer;   // void* out
  cbOutBufferSize: DWORD;   // DWORD
  lpBytesReturned: Pointer   // DWORD* out
): Integer; stdcall;
  external 'WinSCard.dll' name 'SCardControl';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SCardControl"
  c_SCardControl :: CUIntPtr -> Word32 -> Ptr () -> Word32 -> Ptr () -> Word32 -> Ptr Word32 -> IO Int32
-- hCard : UINT_PTR -> CUIntPtr
-- dwControlCode : DWORD -> Word32
-- lpInBuffer : void* -> Ptr ()
-- cbInBufferSize : DWORD -> Word32
-- lpOutBuffer : void* out -> Ptr ()
-- cbOutBufferSize : DWORD -> Word32
-- lpBytesReturned : DWORD* out -> Ptr 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。
open Ctypes
open Foreign

let scardcontrol =
  foreign "SCardControl"
    (size_t @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> returning int32_t)
(* hCard : UINT_PTR -> size_t *)
(* dwControlCode : DWORD -> uint32_t *)
(* lpInBuffer : void* -> (ptr void) *)
(* cbInBufferSize : DWORD -> uint32_t *)
(* lpOutBuffer : void* out -> (ptr void) *)
(* cbOutBufferSize : DWORD -> uint32_t *)
(* lpBytesReturned : DWORD* out -> (ptr 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 winscard (t "WinSCard.dll"))
(cffi:use-foreign-library winscard)

(cffi:defcfun ("SCardControl" scard-control :convention :stdcall) :int32
  (h-card :uint64)   ; UINT_PTR
  (dw-control-code :uint32)   ; DWORD
  (lp-in-buffer :pointer)   ; void*
  (cb-in-buffer-size :uint32)   ; DWORD
  (lp-out-buffer :pointer)   ; void* out
  (cb-out-buffer-size :uint32)   ; DWORD
  (lp-bytes-returned :pointer))   ; DWORD* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $SCardControl = Win32::API::More->new('WinSCard',
    'int SCardControl(WPARAM hCard, DWORD dwControlCode, LPVOID lpInBuffer, DWORD cbInBufferSize, LPVOID lpOutBuffer, DWORD cbOutBufferSize, LPVOID lpBytesReturned)');
# my $ret = $SCardControl->Call($hCard, $dwControlCode, $lpInBuffer, $cbInBufferSize, $lpOutBuffer, $cbOutBufferSize, $lpBytesReturned);
# hCard : UINT_PTR -> WPARAM
# dwControlCode : DWORD -> DWORD
# lpInBuffer : void* -> LPVOID
# cbInBufferSize : DWORD -> DWORD
# lpOutBuffer : void* out -> LPVOID
# cbOutBufferSize : DWORD -> DWORD
# lpBytesReturned : DWORD* out -> LPVOID
# 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

公式の関連項目