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WinUsb_QueryDeviceInformation
関数WinUSBデバイスのデバイス情報を取得する。
シグネチャ
// WINUSB.dll
#include <windows.h>
BOOL WinUsb_QueryDeviceInformation(
WINUSB_INTERFACE_HANDLE InterfaceHandle,
DWORD InformationType,
DWORD* BufferLength,
void* Buffer
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| InterfaceHandle | WINUSB_INTERFACE_HANDLE | in | 情報を問い合わせる対象のWinUSBインターフェイスハンドル。 |
| InformationType | DWORD | in | 取得する情報の種類(DEVICE_SPEED等)。 |
| BufferLength | DWORD* | inout | 入力でBufferのサイズ、出力で実際の格納バイト数を返すポインタ。 |
| Buffer | void* | out | 取得した情報を格納するバッファへのポインタ。 |
戻り値の型: BOOL
各言語での呼び出し定義
// WINUSB.dll
#include <windows.h>
BOOL WinUsb_QueryDeviceInformation(
WINUSB_INTERFACE_HANDLE InterfaceHandle,
DWORD InformationType,
DWORD* BufferLength,
void* Buffer
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINUSB.dll", SetLastError = true, ExactSpelling = true)]
static extern bool WinUsb_QueryDeviceInformation(
IntPtr InterfaceHandle, // WINUSB_INTERFACE_HANDLE
uint InformationType, // DWORD
ref uint BufferLength, // DWORD* in/out
IntPtr Buffer // void* out
);<DllImport("WINUSB.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function WinUsb_QueryDeviceInformation(
InterfaceHandle As IntPtr, ' WINUSB_INTERFACE_HANDLE
InformationType As UInteger, ' DWORD
ByRef BufferLength As UInteger, ' DWORD* in/out
Buffer As IntPtr ' void* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function' InterfaceHandle : WINUSB_INTERFACE_HANDLE
' InformationType : DWORD
' BufferLength : DWORD* in/out
' Buffer : void* out
Declare PtrSafe Function WinUsb_QueryDeviceInformation Lib "winusb" ( _
ByVal InterfaceHandle As LongPtr, _
ByVal InformationType As Long, _
ByRef BufferLength As Long, _
ByVal Buffer 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
WinUsb_QueryDeviceInformation = ctypes.windll.winusb.WinUsb_QueryDeviceInformation
WinUsb_QueryDeviceInformation.restype = wintypes.BOOL
WinUsb_QueryDeviceInformation.argtypes = [
wintypes.HANDLE, # InterfaceHandle : WINUSB_INTERFACE_HANDLE
wintypes.DWORD, # InformationType : DWORD
ctypes.POINTER(wintypes.DWORD), # BufferLength : DWORD* in/out
ctypes.POINTER(None), # Buffer : void* out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('WINUSB.dll')
WinUsb_QueryDeviceInformation = Fiddle::Function.new(
lib['WinUsb_QueryDeviceInformation'],
[
Fiddle::TYPE_VOIDP, # InterfaceHandle : WINUSB_INTERFACE_HANDLE
-Fiddle::TYPE_INT, # InformationType : DWORD
Fiddle::TYPE_VOIDP, # BufferLength : DWORD* in/out
Fiddle::TYPE_VOIDP, # Buffer : void* out
],
Fiddle::TYPE_INT)#[link(name = "winusb")]
extern "system" {
fn WinUsb_QueryDeviceInformation(
InterfaceHandle: *mut core::ffi::c_void, // WINUSB_INTERFACE_HANDLE
InformationType: u32, // DWORD
BufferLength: *mut u32, // DWORD* in/out
Buffer: *mut () // void* out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WINUSB.dll", SetLastError = true)]
public static extern bool WinUsb_QueryDeviceInformation(IntPtr InterfaceHandle, uint InformationType, ref uint BufferLength, IntPtr Buffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WINUSB_WinUsb_QueryDeviceInformation' -Namespace Win32 -PassThru
# $api::WinUsb_QueryDeviceInformation(InterfaceHandle, InformationType, BufferLength, Buffer)#uselib "WINUSB.dll"
#func global WinUsb_QueryDeviceInformation "WinUsb_QueryDeviceInformation" sptr, sptr, sptr, sptr
; WinUsb_QueryDeviceInformation InterfaceHandle, InformationType, varptr(BufferLength), Buffer ; 戻り値は stat
; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "sptr"
; InformationType : DWORD -> "sptr"
; BufferLength : DWORD* in/out -> "sptr"
; Buffer : void* 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 "WINUSB.dll" #cfunc global WinUsb_QueryDeviceInformation "WinUsb_QueryDeviceInformation" sptr, int, var, sptr ; res = WinUsb_QueryDeviceInformation(InterfaceHandle, InformationType, BufferLength, Buffer) ; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "sptr" ; InformationType : DWORD -> "int" ; BufferLength : DWORD* in/out -> "var" ; Buffer : void* out -> "sptr" ; ※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 "WINUSB.dll" #cfunc global WinUsb_QueryDeviceInformation "WinUsb_QueryDeviceInformation" sptr, int, sptr, sptr ; res = WinUsb_QueryDeviceInformation(InterfaceHandle, InformationType, varptr(BufferLength), Buffer) ; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "sptr" ; InformationType : DWORD -> "int" ; BufferLength : DWORD* in/out -> "sptr" ; Buffer : void* 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:
; BOOL WinUsb_QueryDeviceInformation(WINUSB_INTERFACE_HANDLE InterfaceHandle, DWORD InformationType, DWORD* BufferLength, void* Buffer) #uselib "WINUSB.dll" #cfunc global WinUsb_QueryDeviceInformation "WinUsb_QueryDeviceInformation" intptr, int, var, intptr ; res = WinUsb_QueryDeviceInformation(InterfaceHandle, InformationType, BufferLength, Buffer) ; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "intptr" ; InformationType : DWORD -> "int" ; BufferLength : DWORD* in/out -> "var" ; Buffer : void* out -> "intptr" ; ※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。; BOOL WinUsb_QueryDeviceInformation(WINUSB_INTERFACE_HANDLE InterfaceHandle, DWORD InformationType, DWORD* BufferLength, void* Buffer) #uselib "WINUSB.dll" #cfunc global WinUsb_QueryDeviceInformation "WinUsb_QueryDeviceInformation" intptr, int, intptr, intptr ; res = WinUsb_QueryDeviceInformation(InterfaceHandle, InformationType, varptr(BufferLength), Buffer) ; InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "intptr" ; InformationType : DWORD -> "int" ; BufferLength : DWORD* in/out -> "intptr" ; Buffer : void* 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 (
winusb = windows.NewLazySystemDLL("WINUSB.dll")
procWinUsb_QueryDeviceInformation = winusb.NewProc("WinUsb_QueryDeviceInformation")
)
// InterfaceHandle (WINUSB_INTERFACE_HANDLE), InformationType (DWORD), BufferLength (DWORD* in/out), Buffer (void* out)
r1, _, err := procWinUsb_QueryDeviceInformation.Call(
uintptr(InterfaceHandle),
uintptr(InformationType),
uintptr(BufferLength),
uintptr(Buffer),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction WinUsb_QueryDeviceInformation(
InterfaceHandle: THandle; // WINUSB_INTERFACE_HANDLE
InformationType: DWORD; // DWORD
BufferLength: Pointer; // DWORD* in/out
Buffer: Pointer // void* out
): BOOL; stdcall;
external 'WINUSB.dll' name 'WinUsb_QueryDeviceInformation';result := DllCall("WINUSB\WinUsb_QueryDeviceInformation"
, "Ptr", InterfaceHandle ; WINUSB_INTERFACE_HANDLE
, "UInt", InformationType ; DWORD
, "Ptr", BufferLength ; DWORD* in/out
, "Ptr", Buffer ; void* out
, "Int") ; return: BOOL●WinUsb_QueryDeviceInformation(InterfaceHandle, InformationType, BufferLength, Buffer) = DLL("WINUSB.dll", "bool WinUsb_QueryDeviceInformation(void*, dword, void*, void*)")
# 呼び出し: WinUsb_QueryDeviceInformation(InterfaceHandle, InformationType, BufferLength, Buffer)
# InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "void*"
# InformationType : DWORD -> "dword"
# BufferLength : DWORD* in/out -> "void*"
# Buffer : void* 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 "winusb" fn WinUsb_QueryDeviceInformation(
InterfaceHandle: ?*anyopaque, // WINUSB_INTERFACE_HANDLE
InformationType: u32, // DWORD
BufferLength: [*c]u32, // DWORD* in/out
Buffer: ?*anyopaque // void* out
) callconv(std.os.windows.WINAPI) i32;proc WinUsb_QueryDeviceInformation(
InterfaceHandle: pointer, # WINUSB_INTERFACE_HANDLE
InformationType: uint32, # DWORD
BufferLength: ptr uint32, # DWORD* in/out
Buffer: pointer # void* out
): int32 {.importc: "WinUsb_QueryDeviceInformation", stdcall, dynlib: "WINUSB.dll".}pragma(lib, "winusb");
extern(Windows)
int WinUsb_QueryDeviceInformation(
void* InterfaceHandle, // WINUSB_INTERFACE_HANDLE
uint InformationType, // DWORD
uint* BufferLength, // DWORD* in/out
void* Buffer // void* out
);ccall((:WinUsb_QueryDeviceInformation, "WINUSB.dll"), stdcall, Int32,
(Ptr{Cvoid}, UInt32, Ptr{UInt32}, Ptr{Cvoid}),
InterfaceHandle, InformationType, BufferLength, Buffer)
# InterfaceHandle : WINUSB_INTERFACE_HANDLE -> Ptr{Cvoid}
# InformationType : DWORD -> UInt32
# BufferLength : DWORD* in/out -> Ptr{UInt32}
# Buffer : void* out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t WinUsb_QueryDeviceInformation(
void* InterfaceHandle,
uint32_t InformationType,
uint32_t* BufferLength,
void* Buffer);
]]
local winusb = ffi.load("winusb")
-- winusb.WinUsb_QueryDeviceInformation(InterfaceHandle, InformationType, BufferLength, Buffer)
-- InterfaceHandle : WINUSB_INTERFACE_HANDLE
-- InformationType : DWORD
-- BufferLength : DWORD* in/out
-- Buffer : void* 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('WINUSB.dll');
const WinUsb_QueryDeviceInformation = lib.func('__stdcall', 'WinUsb_QueryDeviceInformation', 'int32_t', ['void *', 'uint32_t', 'uint32_t *', 'void *']);
// WinUsb_QueryDeviceInformation(InterfaceHandle, InformationType, BufferLength, Buffer)
// InterfaceHandle : WINUSB_INTERFACE_HANDLE -> 'void *'
// InformationType : DWORD -> 'uint32_t'
// BufferLength : DWORD* in/out -> 'uint32_t *'
// Buffer : void* out -> 'void *'
// 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("WINUSB.dll", {
WinUsb_QueryDeviceInformation: { parameters: ["pointer", "u32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.WinUsb_QueryDeviceInformation(InterfaceHandle, InformationType, BufferLength, Buffer)
// InterfaceHandle : WINUSB_INTERFACE_HANDLE -> "pointer"
// InformationType : DWORD -> "u32"
// BufferLength : DWORD* in/out -> "pointer"
// Buffer : void* 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 WinUsb_QueryDeviceInformation(
void* InterfaceHandle,
uint32_t InformationType,
uint32_t* BufferLength,
void* Buffer);
C, "WINUSB.dll");
// $ffi->WinUsb_QueryDeviceInformation(InterfaceHandle, InformationType, BufferLength, Buffer);
// InterfaceHandle : WINUSB_INTERFACE_HANDLE
// InformationType : DWORD
// BufferLength : DWORD* in/out
// Buffer : void* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Winusb extends StdCallLibrary {
Winusb INSTANCE = Native.load("winusb", Winusb.class);
boolean WinUsb_QueryDeviceInformation(
Pointer InterfaceHandle, // WINUSB_INTERFACE_HANDLE
int InformationType, // DWORD
IntByReference BufferLength, // DWORD* in/out
Pointer Buffer // void* out
);
}@[Link("winusb")]
lib LibWINUSB
fun WinUsb_QueryDeviceInformation = WinUsb_QueryDeviceInformation(
InterfaceHandle : Void*, # WINUSB_INTERFACE_HANDLE
InformationType : UInt32, # DWORD
BufferLength : UInt32*, # DWORD* in/out
Buffer : Void* # void* out
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef WinUsb_QueryDeviceInformationNative = Int32 Function(Pointer<Void>, Uint32, Pointer<Uint32>, Pointer<Void>);
typedef WinUsb_QueryDeviceInformationDart = int Function(Pointer<Void>, int, Pointer<Uint32>, Pointer<Void>);
final WinUsb_QueryDeviceInformation = DynamicLibrary.open('WINUSB.dll')
.lookupFunction<WinUsb_QueryDeviceInformationNative, WinUsb_QueryDeviceInformationDart>('WinUsb_QueryDeviceInformation');
// InterfaceHandle : WINUSB_INTERFACE_HANDLE -> Pointer<Void>
// InformationType : DWORD -> Uint32
// BufferLength : DWORD* in/out -> Pointer<Uint32>
// Buffer : void* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function WinUsb_QueryDeviceInformation(
InterfaceHandle: THandle; // WINUSB_INTERFACE_HANDLE
InformationType: DWORD; // DWORD
BufferLength: Pointer; // DWORD* in/out
Buffer: Pointer // void* out
): BOOL; stdcall;
external 'WINUSB.dll' name 'WinUsb_QueryDeviceInformation';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "WinUsb_QueryDeviceInformation"
c_WinUsb_QueryDeviceInformation :: Ptr () -> Word32 -> Ptr Word32 -> Ptr () -> IO CInt
-- InterfaceHandle : WINUSB_INTERFACE_HANDLE -> Ptr ()
-- InformationType : DWORD -> Word32
-- BufferLength : DWORD* in/out -> Ptr Word32
-- Buffer : void* out -> Ptr ()
-- 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 winusb_querydeviceinformation =
foreign "WinUsb_QueryDeviceInformation"
((ptr void) @-> uint32_t @-> (ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* InterfaceHandle : WINUSB_INTERFACE_HANDLE -> (ptr void) *)
(* InformationType : DWORD -> uint32_t *)
(* BufferLength : DWORD* in/out -> (ptr uint32_t) *)
(* Buffer : void* out -> (ptr void) *)
(* 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 winusb (t "WINUSB.dll"))
(cffi:use-foreign-library winusb)
(cffi:defcfun ("WinUsb_QueryDeviceInformation" win-usb-query-device-information :convention :stdcall) :int32
(interface-handle :pointer) ; WINUSB_INTERFACE_HANDLE
(information-type :uint32) ; DWORD
(buffer-length :pointer) ; DWORD* in/out
(buffer :pointer)) ; void* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $WinUsb_QueryDeviceInformation = Win32::API::More->new('WINUSB',
'BOOL WinUsb_QueryDeviceInformation(HANDLE InterfaceHandle, DWORD InformationType, LPVOID BufferLength, LPVOID Buffer)');
# my $ret = $WinUsb_QueryDeviceInformation->Call($InterfaceHandle, $InformationType, $BufferLength, $Buffer);
# InterfaceHandle : WINUSB_INTERFACE_HANDLE -> HANDLE
# InformationType : DWORD -> DWORD
# BufferLength : DWORD* in/out -> LPVOID
# Buffer : void* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。