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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 |
|---|---|---|
| InterfaceHandle | WINUSB_INTERFACE_HANDLE | in |
| InformationType | DWORD | in |
| BufferLength | DWORD* | inout |
| Buffer | void* | out |
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 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)。