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PropVariantGetInformation
関数PROPVARIANTの型やサイズ、データ位置などの情報を取得する。
シグネチャ
// SensorsUtilsV2.dll
#include <windows.h>
NTSTATUS PropVariantGetInformation(
const PROPVARIANT* PropVariantValue,
DWORD* PropVariantOffset, // optional
DWORD* PropVariantSize, // optional
void** PropVariantPointer, // optional
DEVPROPTYPE* RemappedType // optional
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| PropVariantValue | PROPVARIANT* | in | 情報を取り出す対象のPROPVARIANTへのポインタ。 |
| PropVariantOffset | DWORD* | outoptional | 値データへのオフセットをバイト単位で受け取る出力ポインタ。 |
| PropVariantSize | DWORD* | outoptional | 値データのサイズをバイト単位で受け取る出力ポインタ。 |
| PropVariantPointer | void** | outoptional | 実データ領域へのポインタを受け取る出力ポインタ。 |
| RemappedType | DEVPROPTYPE* | outoptional | 対応するDEVPROPTYPEへ変換した型を受け取る出力ポインタ。 |
戻り値の型: NTSTATUS
各言語での呼び出し定義
// SensorsUtilsV2.dll
#include <windows.h>
NTSTATUS PropVariantGetInformation(
const PROPVARIANT* PropVariantValue,
DWORD* PropVariantOffset, // optional
DWORD* PropVariantSize, // optional
void** PropVariantPointer, // optional
DEVPROPTYPE* RemappedType // optional
);[DllImport("SensorsUtilsV2.dll", ExactSpelling = true)]
static extern int PropVariantGetInformation(
IntPtr PropVariantValue, // PROPVARIANT*
IntPtr PropVariantOffset, // DWORD* optional, out
IntPtr PropVariantSize, // DWORD* optional, out
IntPtr PropVariantPointer, // void** optional, out
IntPtr RemappedType // DEVPROPTYPE* optional, out
);<DllImport("SensorsUtilsV2.dll", ExactSpelling:=True)>
Public Shared Function PropVariantGetInformation(
PropVariantValue As IntPtr, ' PROPVARIANT*
PropVariantOffset As IntPtr, ' DWORD* optional, out
PropVariantSize As IntPtr, ' DWORD* optional, out
PropVariantPointer As IntPtr, ' void** optional, out
RemappedType As IntPtr ' DEVPROPTYPE* optional, out
) As Integer
End Function' PropVariantValue : PROPVARIANT*
' PropVariantOffset : DWORD* optional, out
' PropVariantSize : DWORD* optional, out
' PropVariantPointer : void** optional, out
' RemappedType : DEVPROPTYPE* optional, out
Declare PtrSafe Function PropVariantGetInformation Lib "sensorsutilsv2" ( _
ByVal PropVariantValue As LongPtr, _
ByVal PropVariantOffset As LongPtr, _
ByVal PropVariantSize As LongPtr, _
ByVal PropVariantPointer As LongPtr, _
ByVal RemappedType 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
PropVariantGetInformation = ctypes.windll.sensorsutilsv2.PropVariantGetInformation
PropVariantGetInformation.restype = ctypes.c_int
PropVariantGetInformation.argtypes = [
ctypes.c_void_p, # PropVariantValue : PROPVARIANT*
ctypes.POINTER(wintypes.DWORD), # PropVariantOffset : DWORD* optional, out
ctypes.POINTER(wintypes.DWORD), # PropVariantSize : DWORD* optional, out
ctypes.c_void_p, # PropVariantPointer : void** optional, out
ctypes.c_void_p, # RemappedType : DEVPROPTYPE* optional, out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('SensorsUtilsV2.dll')
PropVariantGetInformation = Fiddle::Function.new(
lib['PropVariantGetInformation'],
[
Fiddle::TYPE_VOIDP, # PropVariantValue : PROPVARIANT*
Fiddle::TYPE_VOIDP, # PropVariantOffset : DWORD* optional, out
Fiddle::TYPE_VOIDP, # PropVariantSize : DWORD* optional, out
Fiddle::TYPE_VOIDP, # PropVariantPointer : void** optional, out
Fiddle::TYPE_VOIDP, # RemappedType : DEVPROPTYPE* optional, out
],
Fiddle::TYPE_INT)#[link(name = "sensorsutilsv2")]
extern "system" {
fn PropVariantGetInformation(
PropVariantValue: *const PROPVARIANT, // PROPVARIANT*
PropVariantOffset: *mut u32, // DWORD* optional, out
PropVariantSize: *mut u32, // DWORD* optional, out
PropVariantPointer: *mut *mut (), // void** optional, out
RemappedType: *mut u32 // DEVPROPTYPE* optional, out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("SensorsUtilsV2.dll")]
public static extern int PropVariantGetInformation(IntPtr PropVariantValue, IntPtr PropVariantOffset, IntPtr PropVariantSize, IntPtr PropVariantPointer, IntPtr RemappedType);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SensorsUtilsV2_PropVariantGetInformation' -Namespace Win32 -PassThru
# $api::PropVariantGetInformation(PropVariantValue, PropVariantOffset, PropVariantSize, PropVariantPointer, RemappedType)#uselib "SensorsUtilsV2.dll"
#func global PropVariantGetInformation "PropVariantGetInformation" sptr, sptr, sptr, sptr, sptr
; PropVariantGetInformation varptr(PropVariantValue), varptr(PropVariantOffset), varptr(PropVariantSize), PropVariantPointer, varptr(RemappedType) ; 戻り値は stat
; PropVariantValue : PROPVARIANT* -> "sptr"
; PropVariantOffset : DWORD* optional, out -> "sptr"
; PropVariantSize : DWORD* optional, out -> "sptr"
; PropVariantPointer : void** optional, out -> "sptr"
; RemappedType : DEVPROPTYPE* optional, 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 "SensorsUtilsV2.dll" #cfunc global PropVariantGetInformation "PropVariantGetInformation" var, var, var, sptr, var ; res = PropVariantGetInformation(PropVariantValue, PropVariantOffset, PropVariantSize, PropVariantPointer, RemappedType) ; PropVariantValue : PROPVARIANT* -> "var" ; PropVariantOffset : DWORD* optional, out -> "var" ; PropVariantSize : DWORD* optional, out -> "var" ; PropVariantPointer : void** optional, out -> "sptr" ; RemappedType : DEVPROPTYPE* optional, 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 "SensorsUtilsV2.dll" #cfunc global PropVariantGetInformation "PropVariantGetInformation" sptr, sptr, sptr, sptr, sptr ; res = PropVariantGetInformation(varptr(PropVariantValue), varptr(PropVariantOffset), varptr(PropVariantSize), PropVariantPointer, varptr(RemappedType)) ; PropVariantValue : PROPVARIANT* -> "sptr" ; PropVariantOffset : DWORD* optional, out -> "sptr" ; PropVariantSize : DWORD* optional, out -> "sptr" ; PropVariantPointer : void** optional, out -> "sptr" ; RemappedType : DEVPROPTYPE* optional, 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:
; NTSTATUS PropVariantGetInformation(PROPVARIANT* PropVariantValue, DWORD* PropVariantOffset, DWORD* PropVariantSize, void** PropVariantPointer, DEVPROPTYPE* RemappedType) #uselib "SensorsUtilsV2.dll" #cfunc global PropVariantGetInformation "PropVariantGetInformation" var, var, var, intptr, var ; res = PropVariantGetInformation(PropVariantValue, PropVariantOffset, PropVariantSize, PropVariantPointer, RemappedType) ; PropVariantValue : PROPVARIANT* -> "var" ; PropVariantOffset : DWORD* optional, out -> "var" ; PropVariantSize : DWORD* optional, out -> "var" ; PropVariantPointer : void** optional, out -> "intptr" ; RemappedType : DEVPROPTYPE* optional, 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。; NTSTATUS PropVariantGetInformation(PROPVARIANT* PropVariantValue, DWORD* PropVariantOffset, DWORD* PropVariantSize, void** PropVariantPointer, DEVPROPTYPE* RemappedType) #uselib "SensorsUtilsV2.dll" #cfunc global PropVariantGetInformation "PropVariantGetInformation" intptr, intptr, intptr, intptr, intptr ; res = PropVariantGetInformation(varptr(PropVariantValue), varptr(PropVariantOffset), varptr(PropVariantSize), PropVariantPointer, varptr(RemappedType)) ; PropVariantValue : PROPVARIANT* -> "intptr" ; PropVariantOffset : DWORD* optional, out -> "intptr" ; PropVariantSize : DWORD* optional, out -> "intptr" ; PropVariantPointer : void** optional, out -> "intptr" ; RemappedType : DEVPROPTYPE* optional, 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 (
sensorsutilsv2 = windows.NewLazySystemDLL("SensorsUtilsV2.dll")
procPropVariantGetInformation = sensorsutilsv2.NewProc("PropVariantGetInformation")
)
// PropVariantValue (PROPVARIANT*), PropVariantOffset (DWORD* optional, out), PropVariantSize (DWORD* optional, out), PropVariantPointer (void** optional, out), RemappedType (DEVPROPTYPE* optional, out)
r1, _, err := procPropVariantGetInformation.Call(
uintptr(PropVariantValue),
uintptr(PropVariantOffset),
uintptr(PropVariantSize),
uintptr(PropVariantPointer),
uintptr(RemappedType),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // NTSTATUSfunction PropVariantGetInformation(
PropVariantValue: Pointer; // PROPVARIANT*
PropVariantOffset: Pointer; // DWORD* optional, out
PropVariantSize: Pointer; // DWORD* optional, out
PropVariantPointer: Pointer; // void** optional, out
RemappedType: Pointer // DEVPROPTYPE* optional, out
): Integer; stdcall;
external 'SensorsUtilsV2.dll' name 'PropVariantGetInformation';result := DllCall("SensorsUtilsV2\PropVariantGetInformation"
, "Ptr", PropVariantValue ; PROPVARIANT*
, "Ptr", PropVariantOffset ; DWORD* optional, out
, "Ptr", PropVariantSize ; DWORD* optional, out
, "Ptr", PropVariantPointer ; void** optional, out
, "Ptr", RemappedType ; DEVPROPTYPE* optional, out
, "Int") ; return: NTSTATUS●PropVariantGetInformation(PropVariantValue, PropVariantOffset, PropVariantSize, PropVariantPointer, RemappedType) = DLL("SensorsUtilsV2.dll", "int PropVariantGetInformation(void*, void*, void*, void*, void*)")
# 呼び出し: PropVariantGetInformation(PropVariantValue, PropVariantOffset, PropVariantSize, PropVariantPointer, RemappedType)
# PropVariantValue : PROPVARIANT* -> "void*"
# PropVariantOffset : DWORD* optional, out -> "void*"
# PropVariantSize : DWORD* optional, out -> "void*"
# PropVariantPointer : void** optional, out -> "void*"
# RemappedType : DEVPROPTYPE* optional, 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 "sensorsutilsv2" fn PropVariantGetInformation(
PropVariantValue: [*c]PROPVARIANT, // PROPVARIANT*
PropVariantOffset: [*c]u32, // DWORD* optional, out
PropVariantSize: [*c]u32, // DWORD* optional, out
PropVariantPointer: ?*anyopaque, // void** optional, out
RemappedType: [*c]u32 // DEVPROPTYPE* optional, out
) callconv(std.os.windows.WINAPI) i32;proc PropVariantGetInformation(
PropVariantValue: ptr PROPVARIANT, # PROPVARIANT*
PropVariantOffset: ptr uint32, # DWORD* optional, out
PropVariantSize: ptr uint32, # DWORD* optional, out
PropVariantPointer: pointer, # void** optional, out
RemappedType: ptr uint32 # DEVPROPTYPE* optional, out
): int32 {.importc: "PropVariantGetInformation", stdcall, dynlib: "SensorsUtilsV2.dll".}pragma(lib, "sensorsutilsv2");
extern(Windows)
int PropVariantGetInformation(
PROPVARIANT* PropVariantValue, // PROPVARIANT*
uint* PropVariantOffset, // DWORD* optional, out
uint* PropVariantSize, // DWORD* optional, out
void** PropVariantPointer, // void** optional, out
uint* RemappedType // DEVPROPTYPE* optional, out
);ccall((:PropVariantGetInformation, "SensorsUtilsV2.dll"), stdcall, Int32,
(Ptr{PROPVARIANT}, Ptr{UInt32}, Ptr{UInt32}, Ptr{Cvoid}, Ptr{UInt32}),
PropVariantValue, PropVariantOffset, PropVariantSize, PropVariantPointer, RemappedType)
# PropVariantValue : PROPVARIANT* -> Ptr{PROPVARIANT}
# PropVariantOffset : DWORD* optional, out -> Ptr{UInt32}
# PropVariantSize : DWORD* optional, out -> Ptr{UInt32}
# PropVariantPointer : void** optional, out -> Ptr{Cvoid}
# RemappedType : DEVPROPTYPE* optional, out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t PropVariantGetInformation(
void* PropVariantValue,
uint32_t* PropVariantOffset,
uint32_t* PropVariantSize,
void** PropVariantPointer,
uint32_t* RemappedType);
]]
local sensorsutilsv2 = ffi.load("sensorsutilsv2")
-- sensorsutilsv2.PropVariantGetInformation(PropVariantValue, PropVariantOffset, PropVariantSize, PropVariantPointer, RemappedType)
-- PropVariantValue : PROPVARIANT*
-- PropVariantOffset : DWORD* optional, out
-- PropVariantSize : DWORD* optional, out
-- PropVariantPointer : void** optional, out
-- RemappedType : DEVPROPTYPE* optional, 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('SensorsUtilsV2.dll');
const PropVariantGetInformation = lib.func('__stdcall', 'PropVariantGetInformation', 'int32_t', ['void *', 'uint32_t *', 'uint32_t *', 'void *', 'uint32_t *']);
// PropVariantGetInformation(PropVariantValue, PropVariantOffset, PropVariantSize, PropVariantPointer, RemappedType)
// PropVariantValue : PROPVARIANT* -> 'void *'
// PropVariantOffset : DWORD* optional, out -> 'uint32_t *'
// PropVariantSize : DWORD* optional, out -> 'uint32_t *'
// PropVariantPointer : void** optional, out -> 'void *'
// RemappedType : DEVPROPTYPE* optional, out -> 'uint32_t *'
// 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("SensorsUtilsV2.dll", {
PropVariantGetInformation: { parameters: ["pointer", "pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.PropVariantGetInformation(PropVariantValue, PropVariantOffset, PropVariantSize, PropVariantPointer, RemappedType)
// PropVariantValue : PROPVARIANT* -> "pointer"
// PropVariantOffset : DWORD* optional, out -> "pointer"
// PropVariantSize : DWORD* optional, out -> "pointer"
// PropVariantPointer : void** optional, out -> "pointer"
// RemappedType : DEVPROPTYPE* optional, 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 PropVariantGetInformation(
void* PropVariantValue,
uint32_t* PropVariantOffset,
uint32_t* PropVariantSize,
void** PropVariantPointer,
uint32_t* RemappedType);
C, "SensorsUtilsV2.dll");
// $ffi->PropVariantGetInformation(PropVariantValue, PropVariantOffset, PropVariantSize, PropVariantPointer, RemappedType);
// PropVariantValue : PROPVARIANT*
// PropVariantOffset : DWORD* optional, out
// PropVariantSize : DWORD* optional, out
// PropVariantPointer : void** optional, out
// RemappedType : DEVPROPTYPE* optional, 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 Sensorsutilsv2 extends StdCallLibrary {
Sensorsutilsv2 INSTANCE = Native.load("sensorsutilsv2", Sensorsutilsv2.class);
int PropVariantGetInformation(
Pointer PropVariantValue, // PROPVARIANT*
IntByReference PropVariantOffset, // DWORD* optional, out
IntByReference PropVariantSize, // DWORD* optional, out
Pointer PropVariantPointer, // void** optional, out
IntByReference RemappedType // DEVPROPTYPE* optional, out
);
}@[Link("sensorsutilsv2")]
lib LibSensorsUtilsV2
fun PropVariantGetInformation = PropVariantGetInformation(
PropVariantValue : PROPVARIANT*, # PROPVARIANT*
PropVariantOffset : UInt32*, # DWORD* optional, out
PropVariantSize : UInt32*, # DWORD* optional, out
PropVariantPointer : Void**, # void** optional, out
RemappedType : UInt32* # DEVPROPTYPE* optional, 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 PropVariantGetInformationNative = Int32 Function(Pointer<Void>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Void>, Pointer<Uint32>);
typedef PropVariantGetInformationDart = int Function(Pointer<Void>, Pointer<Uint32>, Pointer<Uint32>, Pointer<Void>, Pointer<Uint32>);
final PropVariantGetInformation = DynamicLibrary.open('SensorsUtilsV2.dll')
.lookupFunction<PropVariantGetInformationNative, PropVariantGetInformationDart>('PropVariantGetInformation');
// PropVariantValue : PROPVARIANT* -> Pointer<Void>
// PropVariantOffset : DWORD* optional, out -> Pointer<Uint32>
// PropVariantSize : DWORD* optional, out -> Pointer<Uint32>
// PropVariantPointer : void** optional, out -> Pointer<Void>
// RemappedType : DEVPROPTYPE* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function PropVariantGetInformation(
PropVariantValue: Pointer; // PROPVARIANT*
PropVariantOffset: Pointer; // DWORD* optional, out
PropVariantSize: Pointer; // DWORD* optional, out
PropVariantPointer: Pointer; // void** optional, out
RemappedType: Pointer // DEVPROPTYPE* optional, out
): Integer; stdcall;
external 'SensorsUtilsV2.dll' name 'PropVariantGetInformation';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "PropVariantGetInformation"
c_PropVariantGetInformation :: Ptr () -> Ptr Word32 -> Ptr Word32 -> Ptr () -> Ptr Word32 -> IO Int32
-- PropVariantValue : PROPVARIANT* -> Ptr ()
-- PropVariantOffset : DWORD* optional, out -> Ptr Word32
-- PropVariantSize : DWORD* optional, out -> Ptr Word32
-- PropVariantPointer : void** optional, out -> Ptr ()
-- RemappedType : DEVPROPTYPE* optional, out -> Ptr Word32
-- 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 propvariantgetinformation =
foreign "PropVariantGetInformation"
((ptr void) @-> (ptr uint32_t) @-> (ptr uint32_t) @-> (ptr void) @-> (ptr uint32_t) @-> returning int32_t)
(* PropVariantValue : PROPVARIANT* -> (ptr void) *)
(* PropVariantOffset : DWORD* optional, out -> (ptr uint32_t) *)
(* PropVariantSize : DWORD* optional, out -> (ptr uint32_t) *)
(* PropVariantPointer : void** optional, out -> (ptr void) *)
(* RemappedType : DEVPROPTYPE* optional, out -> (ptr uint32_t) *)
(* 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 sensorsutilsv2 (t "SensorsUtilsV2.dll"))
(cffi:use-foreign-library sensorsutilsv2)
(cffi:defcfun ("PropVariantGetInformation" prop-variant-get-information :convention :stdcall) :int32
(prop-variant-value :pointer) ; PROPVARIANT*
(prop-variant-offset :pointer) ; DWORD* optional, out
(prop-variant-size :pointer) ; DWORD* optional, out
(prop-variant-pointer :pointer) ; void** optional, out
(remapped-type :pointer)) ; DEVPROPTYPE* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $PropVariantGetInformation = Win32::API::More->new('SensorsUtilsV2',
'int PropVariantGetInformation(LPVOID PropVariantValue, LPVOID PropVariantOffset, LPVOID PropVariantSize, LPVOID PropVariantPointer, LPVOID RemappedType)');
# my $ret = $PropVariantGetInformation->Call($PropVariantValue, $PropVariantOffset, $PropVariantSize, $PropVariantPointer, $RemappedType);
# PropVariantValue : PROPVARIANT* -> LPVOID
# PropVariantOffset : DWORD* optional, out -> LPVOID
# PropVariantSize : DWORD* optional, out -> LPVOID
# PropVariantPointer : void** optional, out -> LPVOID
# RemappedType : DEVPROPTYPE* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。