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HidD_GetAttributes

関数

HIDデバイスのベンダーID等の属性情報を取得する。

DLLHID.dll呼出規約winapi

シグネチャ

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

BOOLEAN HidD_GetAttributes(
    HANDLE HidDeviceObject,
    HIDD_ATTRIBUTES* Attributes
);

パラメーター

名前	型	方向
HidDeviceObject	HANDLE	in
Attributes	HIDD_ATTRIBUTES*	out

戻り値の型: BOOLEAN

各言語での呼び出し定義

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

BOOLEAN HidD_GetAttributes(
    HANDLE HidDeviceObject,
    HIDD_ATTRIBUTES* Attributes
);

[DllImport("HID.dll", ExactSpelling = true)]
static extern byte HidD_GetAttributes(
    IntPtr HidDeviceObject,   // HANDLE
    IntPtr Attributes   // HIDD_ATTRIBUTES* out
);

<DllImport("HID.dll", ExactSpelling:=True)>
Public Shared Function HidD_GetAttributes(
    HidDeviceObject As IntPtr,   ' HANDLE
    Attributes As IntPtr   ' HIDD_ATTRIBUTES* out
) As Byte
End Function

' HidDeviceObject : HANDLE
' Attributes : HIDD_ATTRIBUTES* out
Declare PtrSafe Function HidD_GetAttributes Lib "hid" ( _
    ByVal HidDeviceObject As LongPtr, _
    ByVal Attributes As LongPtr) As Byte
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

HidD_GetAttributes = ctypes.windll.hid.HidD_GetAttributes
HidD_GetAttributes.restype = ctypes.c_byte
HidD_GetAttributes.argtypes = [
    wintypes.HANDLE,  # HidDeviceObject : HANDLE
    ctypes.c_void_p,  # Attributes : HIDD_ATTRIBUTES* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('HID.dll')
HidD_GetAttributes = Fiddle::Function.new(
  lib['HidD_GetAttributes'],
  [
    Fiddle::TYPE_VOIDP,  # HidDeviceObject : HANDLE
    Fiddle::TYPE_VOIDP,  # Attributes : HIDD_ATTRIBUTES* out
  ],
  Fiddle::TYPE_CHAR)

#[link(name = "hid")]
extern "system" {
    fn HidD_GetAttributes(
        HidDeviceObject: *mut core::ffi::c_void,  // HANDLE
        Attributes: *mut HIDD_ATTRIBUTES  // HIDD_ATTRIBUTES* out
    ) -> u8;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("HID.dll")]
public static extern byte HidD_GetAttributes(IntPtr HidDeviceObject, IntPtr Attributes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'HID_HidD_GetAttributes' -Namespace Win32 -PassThru
# $api::HidD_GetAttributes(HidDeviceObject, Attributes)

#uselib "HID.dll"
#func global HidD_GetAttributes "HidD_GetAttributes" sptr, sptr
; HidD_GetAttributes HidDeviceObject, varptr(Attributes)   ; 戻り値は stat
; HidDeviceObject : HANDLE -> "sptr"
; Attributes : HIDD_ATTRIBUTES* 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 "HID.dll"
#cfunc global HidD_GetAttributes "HidD_GetAttributes" sptr, var
; res = HidD_GetAttributes(HidDeviceObject, Attributes)
; HidDeviceObject : HANDLE -> "sptr"
; Attributes : HIDD_ATTRIBUTES* 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 "HID.dll"
#cfunc global HidD_GetAttributes "HidD_GetAttributes" sptr, sptr
; res = HidD_GetAttributes(HidDeviceObject, varptr(Attributes))
; HidDeviceObject : HANDLE -> "sptr"
; Attributes : HIDD_ATTRIBUTES* 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:

; BOOLEAN HidD_GetAttributes(HANDLE HidDeviceObject, HIDD_ATTRIBUTES* Attributes)
#uselib "HID.dll"
#cfunc global HidD_GetAttributes "HidD_GetAttributes" intptr, var
; res = HidD_GetAttributes(HidDeviceObject, Attributes)
; HidDeviceObject : HANDLE -> "intptr"
; Attributes : HIDD_ATTRIBUTES* 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。; BOOLEAN HidD_GetAttributes(HANDLE HidDeviceObject, HIDD_ATTRIBUTES* Attributes)
#uselib "HID.dll"
#cfunc global HidD_GetAttributes "HidD_GetAttributes" intptr, intptr
; res = HidD_GetAttributes(HidDeviceObject, varptr(Attributes))
; HidDeviceObject : HANDLE -> "intptr"
; Attributes : HIDD_ATTRIBUTES* 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 (
	hid = windows.NewLazySystemDLL("HID.dll")
	procHidD_GetAttributes = hid.NewProc("HidD_GetAttributes")
)

// HidDeviceObject (HANDLE), Attributes (HIDD_ATTRIBUTES* out)
r1, _, err := procHidD_GetAttributes.Call(
	uintptr(HidDeviceObject),
	uintptr(Attributes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOLEAN

function HidD_GetAttributes(
  HidDeviceObject: THandle;   // HANDLE
  Attributes: Pointer   // HIDD_ATTRIBUTES* out
): ByteBool; stdcall;
  external 'HID.dll' name 'HidD_GetAttributes';

result := DllCall("HID\HidD_GetAttributes"
    , "Ptr", HidDeviceObject   ; HANDLE
    , "Ptr", Attributes   ; HIDD_ATTRIBUTES* out
    , "Char")   ; return: BOOLEAN

●HidD_GetAttributes(HidDeviceObject, Attributes) = DLL("HID.dll", "byte HidD_GetAttributes(void*, void*)")
# 呼び出し: HidD_GetAttributes(HidDeviceObject, Attributes)
# HidDeviceObject : HANDLE -> "void*"
# Attributes : HIDD_ATTRIBUTES* 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)。