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
hCardUINT_PTRin
dwControlCodeDWORDin
lpInBuffervoid*in
cbInBufferSizeDWORDin
lpOutBuffervoid*out
cbOutBufferSizeDWORDin
lpBytesReturnedDWORD*out

戻り値の型: INT

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)。