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WinBioEnumBiometricUnits

関数

指定した生体認証要素の生体認証ユニット一覧を列挙する。

DLLwinbio.dll呼出規約winapi対応OSWindows 7 以降

シグネチャ

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

HRESULT WinBioEnumBiometricUnits(
    DWORD Factor,
    WINBIO_UNIT_SCHEMA** UnitSchemaArray,
    UINT_PTR* UnitCount
);

パラメーター

名前	型	方向
Factor	DWORD	in
UnitSchemaArray	WINBIO_UNIT_SCHEMA**	out
UnitCount	UINT_PTR*	out

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT WinBioEnumBiometricUnits(
    DWORD Factor,
    WINBIO_UNIT_SCHEMA** UnitSchemaArray,
    UINT_PTR* UnitCount
);

[DllImport("winbio.dll", ExactSpelling = true)]
static extern int WinBioEnumBiometricUnits(
    uint Factor,   // DWORD
    IntPtr UnitSchemaArray,   // WINBIO_UNIT_SCHEMA** out
    out UIntPtr UnitCount   // UINT_PTR* out
);

<DllImport("winbio.dll", ExactSpelling:=True)>
Public Shared Function WinBioEnumBiometricUnits(
    Factor As UInteger,   ' DWORD
    UnitSchemaArray As IntPtr,   ' WINBIO_UNIT_SCHEMA** out
    <Out> ByRef UnitCount As UIntPtr   ' UINT_PTR* out
) As Integer
End Function

' Factor : DWORD
' UnitSchemaArray : WINBIO_UNIT_SCHEMA** out
' UnitCount : UINT_PTR* out
Declare PtrSafe Function WinBioEnumBiometricUnits Lib "winbio" ( _
    ByVal Factor As Long, _
    ByVal UnitSchemaArray As LongPtr, _
    ByRef UnitCount As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WinBioEnumBiometricUnits = ctypes.windll.winbio.WinBioEnumBiometricUnits
WinBioEnumBiometricUnits.restype = ctypes.c_int
WinBioEnumBiometricUnits.argtypes = [
    wintypes.DWORD,  # Factor : DWORD
    ctypes.c_void_p,  # UnitSchemaArray : WINBIO_UNIT_SCHEMA** out
    ctypes.POINTER(ctypes.c_size_t),  # UnitCount : UINT_PTR* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('winbio.dll')
WinBioEnumBiometricUnits = Fiddle::Function.new(
  lib['WinBioEnumBiometricUnits'],
  [
    -Fiddle::TYPE_INT,  # Factor : DWORD
    Fiddle::TYPE_VOIDP,  # UnitSchemaArray : WINBIO_UNIT_SCHEMA** out
    Fiddle::TYPE_VOIDP,  # UnitCount : UINT_PTR* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "winbio")]
extern "system" {
    fn WinBioEnumBiometricUnits(
        Factor: u32,  // DWORD
        UnitSchemaArray: *mut *mut WINBIO_UNIT_SCHEMA,  // WINBIO_UNIT_SCHEMA** out
        UnitCount: *mut usize  // UINT_PTR* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("winbio.dll")]
public static extern int WinBioEnumBiometricUnits(uint Factor, IntPtr UnitSchemaArray, out UIntPtr UnitCount);
"@
$api = Add-Type -MemberDefinition $sig -Name 'winbio_WinBioEnumBiometricUnits' -Namespace Win32 -PassThru
# $api::WinBioEnumBiometricUnits(Factor, UnitSchemaArray, UnitCount)

#uselib "winbio.dll"
#func global WinBioEnumBiometricUnits "WinBioEnumBiometricUnits" sptr, sptr, sptr
; WinBioEnumBiometricUnits Factor, varptr(UnitSchemaArray), varptr(UnitCount)   ; 戻り値は stat
; Factor : DWORD -> "sptr"
; UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> "sptr"
; UnitCount : UINT_PTR* 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 "winbio.dll"
#cfunc global WinBioEnumBiometricUnits "WinBioEnumBiometricUnits" int, var, var
; res = WinBioEnumBiometricUnits(Factor, UnitSchemaArray, UnitCount)
; Factor : DWORD -> "int"
; UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> "var"
; UnitCount : UINT_PTR* 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 "winbio.dll"
#cfunc global WinBioEnumBiometricUnits "WinBioEnumBiometricUnits" int, sptr, sptr
; res = WinBioEnumBiometricUnits(Factor, varptr(UnitSchemaArray), varptr(UnitCount))
; Factor : DWORD -> "int"
; UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> "sptr"
; UnitCount : UINT_PTR* 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:

; HRESULT WinBioEnumBiometricUnits(DWORD Factor, WINBIO_UNIT_SCHEMA** UnitSchemaArray, UINT_PTR* UnitCount)
#uselib "winbio.dll"
#cfunc global WinBioEnumBiometricUnits "WinBioEnumBiometricUnits" int, var, var
; res = WinBioEnumBiometricUnits(Factor, UnitSchemaArray, UnitCount)
; Factor : DWORD -> "int"
; UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> "var"
; UnitCount : UINT_PTR* 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。; HRESULT WinBioEnumBiometricUnits(DWORD Factor, WINBIO_UNIT_SCHEMA** UnitSchemaArray, UINT_PTR* UnitCount)
#uselib "winbio.dll"
#cfunc global WinBioEnumBiometricUnits "WinBioEnumBiometricUnits" int, intptr, intptr
; res = WinBioEnumBiometricUnits(Factor, varptr(UnitSchemaArray), varptr(UnitCount))
; Factor : DWORD -> "int"
; UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> "intptr"
; UnitCount : UINT_PTR* 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 (
	winbio = windows.NewLazySystemDLL("winbio.dll")
	procWinBioEnumBiometricUnits = winbio.NewProc("WinBioEnumBiometricUnits")
)

// Factor (DWORD), UnitSchemaArray (WINBIO_UNIT_SCHEMA** out), UnitCount (UINT_PTR* out)
r1, _, err := procWinBioEnumBiometricUnits.Call(
	uintptr(Factor),
	uintptr(UnitSchemaArray),
	uintptr(UnitCount),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WinBioEnumBiometricUnits(
  Factor: DWORD;   // DWORD
  UnitSchemaArray: Pointer;   // WINBIO_UNIT_SCHEMA** out
  UnitCount: Pointer   // UINT_PTR* out
): Integer; stdcall;
  external 'winbio.dll' name 'WinBioEnumBiometricUnits';

result := DllCall("winbio\WinBioEnumBiometricUnits"
    , "UInt", Factor   ; DWORD
    , "Ptr", UnitSchemaArray   ; WINBIO_UNIT_SCHEMA** out
    , "Ptr", UnitCount   ; UINT_PTR* out
    , "Int")   ; return: HRESULT

●WinBioEnumBiometricUnits(Factor, UnitSchemaArray, UnitCount) = DLL("winbio.dll", "int WinBioEnumBiometricUnits(dword, void*, void*)")
# 呼び出し: WinBioEnumBiometricUnits(Factor, UnitSchemaArray, UnitCount)
# Factor : DWORD -> "dword"
# UnitSchemaArray : WINBIO_UNIT_SCHEMA** out -> "void*"
# UnitCount : UINT_PTR* 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)。