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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。
DLLSensorsUtilsV2.dll呼出規約winapi

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

名前方向説明
PropVariantValuePROPVARIANT*in情報を取り出す対象のPROPVARIANTへのポインタ。
PropVariantOffsetDWORD*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。
PropVariantSizeDWORD*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。
PropVariantPointervoid**outoptional実データ領域へのポインタを受け取る出力ポインタ。
RemappedTypeDEVPROPTYPE*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。
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。
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   // NTSTATUS
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';
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。

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