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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。
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 | 型 | 方向 |
|---|---|---|
| hCard | UINT_PTR | in |
| dwControlCode | DWORD | in |
| lpInBuffer | void* | in |
| cbInBufferSize | DWORD | in |
| lpOutBuffer | void* | out |
| cbOutBufferSize | DWORD | in |
| lpBytesReturned | DWORD* | 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。#uselib "WinSCard.dll" #cfunc global SCardControl "SCardControl" sptr, int, sptr, int, sptr, int, sptr ; res = SCardControl(hCard, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, varptr(lpBytesReturned)) ; hCard : UINT_PTR -> "sptr" ; dwControlCode : DWORD -> "int" ; lpInBuffer : void* -> "sptr" ; cbInBufferSize : DWORD -> "int" ; lpOutBuffer : void* out -> "sptr" ; cbOutBufferSize : DWORD -> "int" ; lpBytesReturned : DWORD* out -> "sptr" ; ※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:
; 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。; 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, intptr ; res = SCardControl(hCard, dwControlCode, lpInBuffer, cbInBufferSize, lpOutBuffer, cbOutBufferSize, varptr(lpBytesReturned)) ; hCard : UINT_PTR -> "intptr" ; dwControlCode : DWORD -> "int" ; lpInBuffer : void* -> "intptr" ; cbInBufferSize : DWORD -> "int" ; lpOutBuffer : void* out -> "intptr" ; cbOutBufferSize : DWORD -> "int" ; lpBytesReturned : DWORD* out -> "intptr" ; ※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 (
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 // INTfunction 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)。