ホーム › Devices.DeviceQuery › DevGetObjectPropertiesEx
DevGetObjectPropertiesEx
関数拡張パラメータ付きでデバイスオブジェクトのプロパティを取得する。
シグネチャ
// api-ms-win-devices-query-l1-1-1.dll
#include <windows.h>
HRESULT DevGetObjectPropertiesEx(
DEV_OBJECT_TYPE ObjectType,
LPCWSTR pszObjectId,
DWORD QueryFlags,
DWORD cRequestedProperties,
const DEVPROPCOMPKEY* pRequestedProperties,
DWORD cExtendedParameterCount,
const DEV_QUERY_PARAMETER* pExtendedParameters, // optional
DWORD* pcPropertyCount,
const DEVPROPERTY** ppProperties
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| ObjectType | DEV_OBJECT_TYPE | in | 問い合わせ対象のオブジェクト種別を示すDEV_OBJECT_TYPE列挙値。 |
| pszObjectId | LPCWSTR | in | プロパティを取得する対象オブジェクトのID文字列(Unicode)。 |
| QueryFlags | DWORD | in | クエリ動作を制御するDEVQUERYFLAGSビットフラグ。 |
| cRequestedProperties | DWORD | in | 要求するプロパティ数。pRequestedProperties配列の要素数。0で全件取得。 |
| pRequestedProperties | DEVPROPCOMPKEY* | in | 取得したいプロパティを示すDEVPROPCOMPKEY配列へのポインター。NULL可。 |
| cExtendedParameterCount | DWORD | in | 拡張パラメーターの数。pExtendedParameters配列の要素数。0で指定なし。 |
| pExtendedParameters | DEV_QUERY_PARAMETER* | inoptional | 取得動作を拡張するDEV_QUERY_PARAMETER配列へのポインター。NULL可。 |
| pcPropertyCount | DWORD* | out | 取得されたプロパティ数を受け取るDWORDへのポインター。 |
| ppProperties | DEVPROPERTY** | out | 取得結果のDEVPROPERTY配列を受け取るポインター。DevFreeObjectPropertiesで解放する。 |
戻り値の型: HRESULT
各言語での呼び出し定義
// api-ms-win-devices-query-l1-1-1.dll
#include <windows.h>
HRESULT DevGetObjectPropertiesEx(
DEV_OBJECT_TYPE ObjectType,
LPCWSTR pszObjectId,
DWORD QueryFlags,
DWORD cRequestedProperties,
const DEVPROPCOMPKEY* pRequestedProperties,
DWORD cExtendedParameterCount,
const DEV_QUERY_PARAMETER* pExtendedParameters, // optional
DWORD* pcPropertyCount,
const DEVPROPERTY** ppProperties
);[DllImport("api-ms-win-devices-query-l1-1-1.dll", ExactSpelling = true)]
static extern int DevGetObjectPropertiesEx(
int ObjectType, // DEV_OBJECT_TYPE
[MarshalAs(UnmanagedType.LPWStr)] string pszObjectId, // LPCWSTR
uint QueryFlags, // DWORD
uint cRequestedProperties, // DWORD
IntPtr pRequestedProperties, // DEVPROPCOMPKEY*
uint cExtendedParameterCount, // DWORD
IntPtr pExtendedParameters, // DEV_QUERY_PARAMETER* optional
out uint pcPropertyCount, // DWORD* out
IntPtr ppProperties // DEVPROPERTY** out
);<DllImport("api-ms-win-devices-query-l1-1-1.dll", ExactSpelling:=True)>
Public Shared Function DevGetObjectPropertiesEx(
ObjectType As Integer, ' DEV_OBJECT_TYPE
<MarshalAs(UnmanagedType.LPWStr)> pszObjectId As String, ' LPCWSTR
QueryFlags As UInteger, ' DWORD
cRequestedProperties As UInteger, ' DWORD
pRequestedProperties As IntPtr, ' DEVPROPCOMPKEY*
cExtendedParameterCount As UInteger, ' DWORD
pExtendedParameters As IntPtr, ' DEV_QUERY_PARAMETER* optional
<Out> ByRef pcPropertyCount As UInteger, ' DWORD* out
ppProperties As IntPtr ' DEVPROPERTY** out
) As Integer
End Function' ObjectType : DEV_OBJECT_TYPE
' pszObjectId : LPCWSTR
' QueryFlags : DWORD
' cRequestedProperties : DWORD
' pRequestedProperties : DEVPROPCOMPKEY*
' cExtendedParameterCount : DWORD
' pExtendedParameters : DEV_QUERY_PARAMETER* optional
' pcPropertyCount : DWORD* out
' ppProperties : DEVPROPERTY** out
Declare PtrSafe Function DevGetObjectPropertiesEx Lib "api-ms-win-devices-query-l1-1-1" ( _
ByVal ObjectType As Long, _
ByVal pszObjectId As LongPtr, _
ByVal QueryFlags As Long, _
ByVal cRequestedProperties As Long, _
ByVal pRequestedProperties As LongPtr, _
ByVal cExtendedParameterCount As Long, _
ByVal pExtendedParameters As LongPtr, _
ByRef pcPropertyCount As Long, _
ByVal ppProperties 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
DevGetObjectPropertiesEx = ctypes.windll.LoadLibrary("api-ms-win-devices-query-l1-1-1.dll").DevGetObjectPropertiesEx
DevGetObjectPropertiesEx.restype = ctypes.c_int
DevGetObjectPropertiesEx.argtypes = [
ctypes.c_int, # ObjectType : DEV_OBJECT_TYPE
wintypes.LPCWSTR, # pszObjectId : LPCWSTR
wintypes.DWORD, # QueryFlags : DWORD
wintypes.DWORD, # cRequestedProperties : DWORD
ctypes.c_void_p, # pRequestedProperties : DEVPROPCOMPKEY*
wintypes.DWORD, # cExtendedParameterCount : DWORD
ctypes.c_void_p, # pExtendedParameters : DEV_QUERY_PARAMETER* optional
ctypes.POINTER(wintypes.DWORD), # pcPropertyCount : DWORD* out
ctypes.c_void_p, # ppProperties : DEVPROPERTY** out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('api-ms-win-devices-query-l1-1-1.dll')
DevGetObjectPropertiesEx = Fiddle::Function.new(
lib['DevGetObjectPropertiesEx'],
[
Fiddle::TYPE_INT, # ObjectType : DEV_OBJECT_TYPE
Fiddle::TYPE_VOIDP, # pszObjectId : LPCWSTR
-Fiddle::TYPE_INT, # QueryFlags : DWORD
-Fiddle::TYPE_INT, # cRequestedProperties : DWORD
Fiddle::TYPE_VOIDP, # pRequestedProperties : DEVPROPCOMPKEY*
-Fiddle::TYPE_INT, # cExtendedParameterCount : DWORD
Fiddle::TYPE_VOIDP, # pExtendedParameters : DEV_QUERY_PARAMETER* optional
Fiddle::TYPE_VOIDP, # pcPropertyCount : DWORD* out
Fiddle::TYPE_VOIDP, # ppProperties : DEVPROPERTY** out
],
Fiddle::TYPE_INT)#[link(name = "api-ms-win-devices-query-l1-1-1")]
extern "system" {
fn DevGetObjectPropertiesEx(
ObjectType: i32, // DEV_OBJECT_TYPE
pszObjectId: *const u16, // LPCWSTR
QueryFlags: u32, // DWORD
cRequestedProperties: u32, // DWORD
pRequestedProperties: *const DEVPROPCOMPKEY, // DEVPROPCOMPKEY*
cExtendedParameterCount: u32, // DWORD
pExtendedParameters: *const DEV_QUERY_PARAMETER, // DEV_QUERY_PARAMETER* optional
pcPropertyCount: *mut u32, // DWORD* out
ppProperties: *const *const DEVPROPERTY // DEVPROPERTY** out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("api-ms-win-devices-query-l1-1-1.dll")]
public static extern int DevGetObjectPropertiesEx(int ObjectType, [MarshalAs(UnmanagedType.LPWStr)] string pszObjectId, uint QueryFlags, uint cRequestedProperties, IntPtr pRequestedProperties, uint cExtendedParameterCount, IntPtr pExtendedParameters, out uint pcPropertyCount, IntPtr ppProperties);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-devices-query-l1-1-1_DevGetObjectPropertiesEx' -Namespace Win32 -PassThru
# $api::DevGetObjectPropertiesEx(ObjectType, pszObjectId, QueryFlags, cRequestedProperties, pRequestedProperties, cExtendedParameterCount, pExtendedParameters, pcPropertyCount, ppProperties)#uselib "api-ms-win-devices-query-l1-1-1.dll"
#func global DevGetObjectPropertiesEx "DevGetObjectPropertiesEx" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; DevGetObjectPropertiesEx ObjectType, pszObjectId, QueryFlags, cRequestedProperties, varptr(pRequestedProperties), cExtendedParameterCount, varptr(pExtendedParameters), varptr(pcPropertyCount), varptr(ppProperties) ; 戻り値は stat
; ObjectType : DEV_OBJECT_TYPE -> "sptr"
; pszObjectId : LPCWSTR -> "sptr"
; QueryFlags : DWORD -> "sptr"
; cRequestedProperties : DWORD -> "sptr"
; pRequestedProperties : DEVPROPCOMPKEY* -> "sptr"
; cExtendedParameterCount : DWORD -> "sptr"
; pExtendedParameters : DEV_QUERY_PARAMETER* optional -> "sptr"
; pcPropertyCount : DWORD* out -> "sptr"
; ppProperties : DEVPROPERTY** 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 "api-ms-win-devices-query-l1-1-1.dll" #cfunc global DevGetObjectPropertiesEx "DevGetObjectPropertiesEx" int, wstr, int, int, var, int, var, var, var ; res = DevGetObjectPropertiesEx(ObjectType, pszObjectId, QueryFlags, cRequestedProperties, pRequestedProperties, cExtendedParameterCount, pExtendedParameters, pcPropertyCount, ppProperties) ; ObjectType : DEV_OBJECT_TYPE -> "int" ; pszObjectId : LPCWSTR -> "wstr" ; QueryFlags : DWORD -> "int" ; cRequestedProperties : DWORD -> "int" ; pRequestedProperties : DEVPROPCOMPKEY* -> "var" ; cExtendedParameterCount : DWORD -> "int" ; pExtendedParameters : DEV_QUERY_PARAMETER* optional -> "var" ; pcPropertyCount : DWORD* out -> "var" ; ppProperties : DEVPROPERTY** 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 "api-ms-win-devices-query-l1-1-1.dll" #cfunc global DevGetObjectPropertiesEx "DevGetObjectPropertiesEx" int, wstr, int, int, sptr, int, sptr, sptr, sptr ; res = DevGetObjectPropertiesEx(ObjectType, pszObjectId, QueryFlags, cRequestedProperties, varptr(pRequestedProperties), cExtendedParameterCount, varptr(pExtendedParameters), varptr(pcPropertyCount), varptr(ppProperties)) ; ObjectType : DEV_OBJECT_TYPE -> "int" ; pszObjectId : LPCWSTR -> "wstr" ; QueryFlags : DWORD -> "int" ; cRequestedProperties : DWORD -> "int" ; pRequestedProperties : DEVPROPCOMPKEY* -> "sptr" ; cExtendedParameterCount : DWORD -> "int" ; pExtendedParameters : DEV_QUERY_PARAMETER* optional -> "sptr" ; pcPropertyCount : DWORD* out -> "sptr" ; ppProperties : DEVPROPERTY** 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 DevGetObjectPropertiesEx(DEV_OBJECT_TYPE ObjectType, LPCWSTR pszObjectId, DWORD QueryFlags, DWORD cRequestedProperties, DEVPROPCOMPKEY* pRequestedProperties, DWORD cExtendedParameterCount, DEV_QUERY_PARAMETER* pExtendedParameters, DWORD* pcPropertyCount, DEVPROPERTY** ppProperties) #uselib "api-ms-win-devices-query-l1-1-1.dll" #cfunc global DevGetObjectPropertiesEx "DevGetObjectPropertiesEx" int, wstr, int, int, var, int, var, var, var ; res = DevGetObjectPropertiesEx(ObjectType, pszObjectId, QueryFlags, cRequestedProperties, pRequestedProperties, cExtendedParameterCount, pExtendedParameters, pcPropertyCount, ppProperties) ; ObjectType : DEV_OBJECT_TYPE -> "int" ; pszObjectId : LPCWSTR -> "wstr" ; QueryFlags : DWORD -> "int" ; cRequestedProperties : DWORD -> "int" ; pRequestedProperties : DEVPROPCOMPKEY* -> "var" ; cExtendedParameterCount : DWORD -> "int" ; pExtendedParameters : DEV_QUERY_PARAMETER* optional -> "var" ; pcPropertyCount : DWORD* out -> "var" ; ppProperties : DEVPROPERTY** 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 DevGetObjectPropertiesEx(DEV_OBJECT_TYPE ObjectType, LPCWSTR pszObjectId, DWORD QueryFlags, DWORD cRequestedProperties, DEVPROPCOMPKEY* pRequestedProperties, DWORD cExtendedParameterCount, DEV_QUERY_PARAMETER* pExtendedParameters, DWORD* pcPropertyCount, DEVPROPERTY** ppProperties) #uselib "api-ms-win-devices-query-l1-1-1.dll" #cfunc global DevGetObjectPropertiesEx "DevGetObjectPropertiesEx" int, wstr, int, int, intptr, int, intptr, intptr, intptr ; res = DevGetObjectPropertiesEx(ObjectType, pszObjectId, QueryFlags, cRequestedProperties, varptr(pRequestedProperties), cExtendedParameterCount, varptr(pExtendedParameters), varptr(pcPropertyCount), varptr(ppProperties)) ; ObjectType : DEV_OBJECT_TYPE -> "int" ; pszObjectId : LPCWSTR -> "wstr" ; QueryFlags : DWORD -> "int" ; cRequestedProperties : DWORD -> "int" ; pRequestedProperties : DEVPROPCOMPKEY* -> "intptr" ; cExtendedParameterCount : DWORD -> "int" ; pExtendedParameters : DEV_QUERY_PARAMETER* optional -> "intptr" ; pcPropertyCount : DWORD* out -> "intptr" ; ppProperties : DEVPROPERTY** 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 (
api_ms_win_devices_query_l1_1_1 = windows.NewLazySystemDLL("api-ms-win-devices-query-l1-1-1.dll")
procDevGetObjectPropertiesEx = api_ms_win_devices_query_l1_1_1.NewProc("DevGetObjectPropertiesEx")
)
// ObjectType (DEV_OBJECT_TYPE), pszObjectId (LPCWSTR), QueryFlags (DWORD), cRequestedProperties (DWORD), pRequestedProperties (DEVPROPCOMPKEY*), cExtendedParameterCount (DWORD), pExtendedParameters (DEV_QUERY_PARAMETER* optional), pcPropertyCount (DWORD* out), ppProperties (DEVPROPERTY** out)
r1, _, err := procDevGetObjectPropertiesEx.Call(
uintptr(ObjectType),
uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszObjectId))),
uintptr(QueryFlags),
uintptr(cRequestedProperties),
uintptr(pRequestedProperties),
uintptr(cExtendedParameterCount),
uintptr(pExtendedParameters),
uintptr(pcPropertyCount),
uintptr(ppProperties),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction DevGetObjectPropertiesEx(
ObjectType: Integer; // DEV_OBJECT_TYPE
pszObjectId: PWideChar; // LPCWSTR
QueryFlags: DWORD; // DWORD
cRequestedProperties: DWORD; // DWORD
pRequestedProperties: Pointer; // DEVPROPCOMPKEY*
cExtendedParameterCount: DWORD; // DWORD
pExtendedParameters: Pointer; // DEV_QUERY_PARAMETER* optional
pcPropertyCount: Pointer; // DWORD* out
ppProperties: Pointer // DEVPROPERTY** out
): Integer; stdcall;
external 'api-ms-win-devices-query-l1-1-1.dll' name 'DevGetObjectPropertiesEx';result := DllCall("api-ms-win-devices-query-l1-1-1\DevGetObjectPropertiesEx"
, "Int", ObjectType ; DEV_OBJECT_TYPE
, "WStr", pszObjectId ; LPCWSTR
, "UInt", QueryFlags ; DWORD
, "UInt", cRequestedProperties ; DWORD
, "Ptr", pRequestedProperties ; DEVPROPCOMPKEY*
, "UInt", cExtendedParameterCount ; DWORD
, "Ptr", pExtendedParameters ; DEV_QUERY_PARAMETER* optional
, "Ptr", pcPropertyCount ; DWORD* out
, "Ptr", ppProperties ; DEVPROPERTY** out
, "Int") ; return: HRESULT●DevGetObjectPropertiesEx(ObjectType, pszObjectId, QueryFlags, cRequestedProperties, pRequestedProperties, cExtendedParameterCount, pExtendedParameters, pcPropertyCount, ppProperties) = DLL("api-ms-win-devices-query-l1-1-1.dll", "int DevGetObjectPropertiesEx(int, char*, dword, dword, void*, dword, void*, void*, void*)")
# 呼び出し: DevGetObjectPropertiesEx(ObjectType, pszObjectId, QueryFlags, cRequestedProperties, pRequestedProperties, cExtendedParameterCount, pExtendedParameters, pcPropertyCount, ppProperties)
# ObjectType : DEV_OBJECT_TYPE -> "int"
# pszObjectId : LPCWSTR -> "char*"
# QueryFlags : DWORD -> "dword"
# cRequestedProperties : DWORD -> "dword"
# pRequestedProperties : DEVPROPCOMPKEY* -> "void*"
# cExtendedParameterCount : DWORD -> "dword"
# pExtendedParameters : DEV_QUERY_PARAMETER* optional -> "void*"
# pcPropertyCount : DWORD* out -> "void*"
# ppProperties : DEVPROPERTY** 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 "api-ms-win-devices-query-l1-1-1" fn DevGetObjectPropertiesEx(
ObjectType: i32, // DEV_OBJECT_TYPE
pszObjectId: [*c]const u16, // LPCWSTR
QueryFlags: u32, // DWORD
cRequestedProperties: u32, // DWORD
pRequestedProperties: [*c]DEVPROPCOMPKEY, // DEVPROPCOMPKEY*
cExtendedParameterCount: u32, // DWORD
pExtendedParameters: [*c]DEV_QUERY_PARAMETER, // DEV_QUERY_PARAMETER* optional
pcPropertyCount: [*c]u32, // DWORD* out
ppProperties: [*c][*c]DEVPROPERTY // DEVPROPERTY** out
) callconv(std.os.windows.WINAPI) i32;proc DevGetObjectPropertiesEx(
ObjectType: int32, # DEV_OBJECT_TYPE
pszObjectId: WideCString, # LPCWSTR
QueryFlags: uint32, # DWORD
cRequestedProperties: uint32, # DWORD
pRequestedProperties: ptr DEVPROPCOMPKEY, # DEVPROPCOMPKEY*
cExtendedParameterCount: uint32, # DWORD
pExtendedParameters: ptr DEV_QUERY_PARAMETER, # DEV_QUERY_PARAMETER* optional
pcPropertyCount: ptr uint32, # DWORD* out
ppProperties: ptr DEVPROPERTY # DEVPROPERTY** out
): int32 {.importc: "DevGetObjectPropertiesEx", stdcall, dynlib: "api-ms-win-devices-query-l1-1-1.dll".}pragma(lib, "api-ms-win-devices-query-l1-1-1");
extern(Windows)
int DevGetObjectPropertiesEx(
int ObjectType, // DEV_OBJECT_TYPE
const(wchar)* pszObjectId, // LPCWSTR
uint QueryFlags, // DWORD
uint cRequestedProperties, // DWORD
DEVPROPCOMPKEY* pRequestedProperties, // DEVPROPCOMPKEY*
uint cExtendedParameterCount, // DWORD
DEV_QUERY_PARAMETER* pExtendedParameters, // DEV_QUERY_PARAMETER* optional
uint* pcPropertyCount, // DWORD* out
DEVPROPERTY** ppProperties // DEVPROPERTY** out
);ccall((:DevGetObjectPropertiesEx, "api-ms-win-devices-query-l1-1-1.dll"), stdcall, Int32,
(Int32, Cwstring, UInt32, UInt32, Ptr{DEVPROPCOMPKEY}, UInt32, Ptr{DEV_QUERY_PARAMETER}, Ptr{UInt32}, Ptr{DEVPROPERTY}),
ObjectType, pszObjectId, QueryFlags, cRequestedProperties, pRequestedProperties, cExtendedParameterCount, pExtendedParameters, pcPropertyCount, ppProperties)
# ObjectType : DEV_OBJECT_TYPE -> Int32
# pszObjectId : LPCWSTR -> Cwstring
# QueryFlags : DWORD -> UInt32
# cRequestedProperties : DWORD -> UInt32
# pRequestedProperties : DEVPROPCOMPKEY* -> Ptr{DEVPROPCOMPKEY}
# cExtendedParameterCount : DWORD -> UInt32
# pExtendedParameters : DEV_QUERY_PARAMETER* optional -> Ptr{DEV_QUERY_PARAMETER}
# pcPropertyCount : DWORD* out -> Ptr{UInt32}
# ppProperties : DEVPROPERTY** out -> Ptr{DEVPROPERTY}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t DevGetObjectPropertiesEx(
int32_t ObjectType,
const uint16_t* pszObjectId,
uint32_t QueryFlags,
uint32_t cRequestedProperties,
void* pRequestedProperties,
uint32_t cExtendedParameterCount,
void* pExtendedParameters,
uint32_t* pcPropertyCount,
void* ppProperties);
]]
local api-ms-win-devices-query-l1-1-1 = ffi.load("api-ms-win-devices-query-l1-1-1")
-- api-ms-win-devices-query-l1-1-1.DevGetObjectPropertiesEx(ObjectType, pszObjectId, QueryFlags, cRequestedProperties, pRequestedProperties, cExtendedParameterCount, pExtendedParameters, pcPropertyCount, ppProperties)
-- ObjectType : DEV_OBJECT_TYPE
-- pszObjectId : LPCWSTR
-- QueryFlags : DWORD
-- cRequestedProperties : DWORD
-- pRequestedProperties : DEVPROPCOMPKEY*
-- cExtendedParameterCount : DWORD
-- pExtendedParameters : DEV_QUERY_PARAMETER* optional
-- pcPropertyCount : DWORD* out
-- ppProperties : DEVPROPERTY** 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('api-ms-win-devices-query-l1-1-1.dll');
const DevGetObjectPropertiesEx = lib.func('__stdcall', 'DevGetObjectPropertiesEx', 'int32_t', ['int32_t', 'str16', 'uint32_t', 'uint32_t', 'void *', 'uint32_t', 'void *', 'uint32_t *', 'void *']);
// DevGetObjectPropertiesEx(ObjectType, pszObjectId, QueryFlags, cRequestedProperties, pRequestedProperties, cExtendedParameterCount, pExtendedParameters, pcPropertyCount, ppProperties)
// ObjectType : DEV_OBJECT_TYPE -> 'int32_t'
// pszObjectId : LPCWSTR -> 'str16'
// QueryFlags : DWORD -> 'uint32_t'
// cRequestedProperties : DWORD -> 'uint32_t'
// pRequestedProperties : DEVPROPCOMPKEY* -> 'void *'
// cExtendedParameterCount : DWORD -> 'uint32_t'
// pExtendedParameters : DEV_QUERY_PARAMETER* optional -> 'void *'
// pcPropertyCount : DWORD* out -> 'uint32_t *'
// ppProperties : DEVPROPERTY** 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("api-ms-win-devices-query-l1-1-1.dll", {
DevGetObjectPropertiesEx: { parameters: ["i32", "buffer", "u32", "u32", "pointer", "u32", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.DevGetObjectPropertiesEx(ObjectType, pszObjectId, QueryFlags, cRequestedProperties, pRequestedProperties, cExtendedParameterCount, pExtendedParameters, pcPropertyCount, ppProperties)
// ObjectType : DEV_OBJECT_TYPE -> "i32"
// pszObjectId : LPCWSTR -> "buffer"
// QueryFlags : DWORD -> "u32"
// cRequestedProperties : DWORD -> "u32"
// pRequestedProperties : DEVPROPCOMPKEY* -> "pointer"
// cExtendedParameterCount : DWORD -> "u32"
// pExtendedParameters : DEV_QUERY_PARAMETER* optional -> "pointer"
// pcPropertyCount : DWORD* out -> "pointer"
// ppProperties : DEVPROPERTY** 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 DevGetObjectPropertiesEx(
int32_t ObjectType,
const uint16_t* pszObjectId,
uint32_t QueryFlags,
uint32_t cRequestedProperties,
void* pRequestedProperties,
uint32_t cExtendedParameterCount,
void* pExtendedParameters,
uint32_t* pcPropertyCount,
void* ppProperties);
C, "api-ms-win-devices-query-l1-1-1.dll");
// $ffi->DevGetObjectPropertiesEx(ObjectType, pszObjectId, QueryFlags, cRequestedProperties, pRequestedProperties, cExtendedParameterCount, pExtendedParameters, pcPropertyCount, ppProperties);
// ObjectType : DEV_OBJECT_TYPE
// pszObjectId : LPCWSTR
// QueryFlags : DWORD
// cRequestedProperties : DWORD
// pRequestedProperties : DEVPROPCOMPKEY*
// cExtendedParameterCount : DWORD
// pExtendedParameters : DEV_QUERY_PARAMETER* optional
// pcPropertyCount : DWORD* out
// ppProperties : DEVPROPERTY** 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 Api-ms-win-devices-query-l1-1-1 extends StdCallLibrary {
Api-ms-win-devices-query-l1-1-1 INSTANCE = Native.load("api-ms-win-devices-query-l1-1-1", Api-ms-win-devices-query-l1-1-1.class);
int DevGetObjectPropertiesEx(
int ObjectType, // DEV_OBJECT_TYPE
WString pszObjectId, // LPCWSTR
int QueryFlags, // DWORD
int cRequestedProperties, // DWORD
Pointer pRequestedProperties, // DEVPROPCOMPKEY*
int cExtendedParameterCount, // DWORD
Pointer pExtendedParameters, // DEV_QUERY_PARAMETER* optional
IntByReference pcPropertyCount, // DWORD* out
Pointer ppProperties // DEVPROPERTY** out
);
}@[Link("api-ms-win-devices-query-l1-1-1")]
lib Libapi-ms-win-devices-query-l1-1-1
fun DevGetObjectPropertiesEx = DevGetObjectPropertiesEx(
ObjectType : Int32, # DEV_OBJECT_TYPE
pszObjectId : UInt16*, # LPCWSTR
QueryFlags : UInt32, # DWORD
cRequestedProperties : UInt32, # DWORD
pRequestedProperties : DEVPROPCOMPKEY*, # DEVPROPCOMPKEY*
cExtendedParameterCount : UInt32, # DWORD
pExtendedParameters : DEV_QUERY_PARAMETER*, # DEV_QUERY_PARAMETER* optional
pcPropertyCount : UInt32*, # DWORD* out
ppProperties : DEVPROPERTY** # DEVPROPERTY** 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 DevGetObjectPropertiesExNative = Int32 Function(Int32, Pointer<Utf16>, Uint32, Uint32, Pointer<Void>, Uint32, Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
typedef DevGetObjectPropertiesExDart = int Function(int, Pointer<Utf16>, int, int, Pointer<Void>, int, Pointer<Void>, Pointer<Uint32>, Pointer<Void>);
final DevGetObjectPropertiesEx = DynamicLibrary.open('api-ms-win-devices-query-l1-1-1.dll')
.lookupFunction<DevGetObjectPropertiesExNative, DevGetObjectPropertiesExDart>('DevGetObjectPropertiesEx');
// ObjectType : DEV_OBJECT_TYPE -> Int32
// pszObjectId : LPCWSTR -> Pointer<Utf16>
// QueryFlags : DWORD -> Uint32
// cRequestedProperties : DWORD -> Uint32
// pRequestedProperties : DEVPROPCOMPKEY* -> Pointer<Void>
// cExtendedParameterCount : DWORD -> Uint32
// pExtendedParameters : DEV_QUERY_PARAMETER* optional -> Pointer<Void>
// pcPropertyCount : DWORD* out -> Pointer<Uint32>
// ppProperties : DEVPROPERTY** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function DevGetObjectPropertiesEx(
ObjectType: Integer; // DEV_OBJECT_TYPE
pszObjectId: PWideChar; // LPCWSTR
QueryFlags: DWORD; // DWORD
cRequestedProperties: DWORD; // DWORD
pRequestedProperties: Pointer; // DEVPROPCOMPKEY*
cExtendedParameterCount: DWORD; // DWORD
pExtendedParameters: Pointer; // DEV_QUERY_PARAMETER* optional
pcPropertyCount: Pointer; // DWORD* out
ppProperties: Pointer // DEVPROPERTY** out
): Integer; stdcall;
external 'api-ms-win-devices-query-l1-1-1.dll' name 'DevGetObjectPropertiesEx';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "DevGetObjectPropertiesEx"
c_DevGetObjectPropertiesEx :: Int32 -> CWString -> Word32 -> Word32 -> Ptr () -> Word32 -> Ptr () -> Ptr Word32 -> Ptr () -> IO Int32
-- ObjectType : DEV_OBJECT_TYPE -> Int32
-- pszObjectId : LPCWSTR -> CWString
-- QueryFlags : DWORD -> Word32
-- cRequestedProperties : DWORD -> Word32
-- pRequestedProperties : DEVPROPCOMPKEY* -> Ptr ()
-- cExtendedParameterCount : DWORD -> Word32
-- pExtendedParameters : DEV_QUERY_PARAMETER* optional -> Ptr ()
-- pcPropertyCount : DWORD* out -> Ptr Word32
-- ppProperties : DEVPROPERTY** 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 devgetobjectpropertiesex =
foreign "DevGetObjectPropertiesEx"
(int32_t @-> (ptr uint16_t) @-> uint32_t @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr void) @-> (ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* ObjectType : DEV_OBJECT_TYPE -> int32_t *)
(* pszObjectId : LPCWSTR -> (ptr uint16_t) *)
(* QueryFlags : DWORD -> uint32_t *)
(* cRequestedProperties : DWORD -> uint32_t *)
(* pRequestedProperties : DEVPROPCOMPKEY* -> (ptr void) *)
(* cExtendedParameterCount : DWORD -> uint32_t *)
(* pExtendedParameters : DEV_QUERY_PARAMETER* optional -> (ptr void) *)
(* pcPropertyCount : DWORD* out -> (ptr uint32_t) *)
(* ppProperties : DEVPROPERTY** 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 api-ms-win-devices-query-l1-1-1 (t "api-ms-win-devices-query-l1-1-1.dll"))
(cffi:use-foreign-library api-ms-win-devices-query-l1-1-1)
(cffi:defcfun ("DevGetObjectPropertiesEx" dev-get-object-properties-ex :convention :stdcall) :int32
(object-type :int32) ; DEV_OBJECT_TYPE
(psz-object-id (:string :encoding :utf-16le)) ; LPCWSTR
(query-flags :uint32) ; DWORD
(c-requested-properties :uint32) ; DWORD
(p-requested-properties :pointer) ; DEVPROPCOMPKEY*
(c-extended-parameter-count :uint32) ; DWORD
(p-extended-parameters :pointer) ; DEV_QUERY_PARAMETER* optional
(pc-property-count :pointer) ; DWORD* out
(pp-properties :pointer)) ; DEVPROPERTY** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $DevGetObjectPropertiesEx = Win32::API::More->new('api-ms-win-devices-query-l1-1-1',
'int DevGetObjectPropertiesEx(int ObjectType, LPCWSTR pszObjectId, DWORD QueryFlags, DWORD cRequestedProperties, LPVOID pRequestedProperties, DWORD cExtendedParameterCount, LPVOID pExtendedParameters, LPVOID pcPropertyCount, LPVOID ppProperties)');
# my $ret = $DevGetObjectPropertiesEx->Call($ObjectType, $pszObjectId, $QueryFlags, $cRequestedProperties, $pRequestedProperties, $cExtendedParameterCount, $pExtendedParameters, $pcPropertyCount, $ppProperties);
# ObjectType : DEV_OBJECT_TYPE -> int
# pszObjectId : LPCWSTR -> LPCWSTR
# QueryFlags : DWORD -> DWORD
# cRequestedProperties : DWORD -> DWORD
# pRequestedProperties : DEVPROPCOMPKEY* -> LPVOID
# cExtendedParameterCount : DWORD -> DWORD
# pExtendedParameters : DEV_QUERY_PARAMETER* optional -> LPVOID
# pcPropertyCount : DWORD* out -> LPVOID
# ppProperties : DEVPROPERTY** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。関連項目
類似 API
- f DevGetObjectProperties — 指定IDのデバイスオブジェクトのプロパティを取得する。