ホーム › System.Variant › InitVariantFromUInt32Array
InitVariantFromUInt32Array
関数32ビット符号なし整数配列からVARIANTを初期化する。
シグネチャ
// PROPSYS.dll
#include <windows.h>
HRESULT InitVariantFromUInt32Array(
const DWORD* prgn,
DWORD cElems,
VARIANT* pvar
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| prgn | DWORD* | in | ソースとなるDWORD配列の先頭へのポインタ。 |
| cElems | DWORD | in | 配列の要素数(DWORD)。 |
| pvar | VARIANT* | out | UInt32配列(SAFEARRAY)で初期化した結果を受け取るVARIANTへのポインタ。 |
戻り値の型: HRESULT
各言語での呼び出し定義
// PROPSYS.dll
#include <windows.h>
HRESULT InitVariantFromUInt32Array(
const DWORD* prgn,
DWORD cElems,
VARIANT* pvar
);[DllImport("PROPSYS.dll", ExactSpelling = true)]
static extern int InitVariantFromUInt32Array(
ref uint prgn, // DWORD*
uint cElems, // DWORD
IntPtr pvar // VARIANT* out
);<DllImport("PROPSYS.dll", ExactSpelling:=True)>
Public Shared Function InitVariantFromUInt32Array(
ByRef prgn As UInteger, ' DWORD*
cElems As UInteger, ' DWORD
pvar As IntPtr ' VARIANT* out
) As Integer
End Function' prgn : DWORD*
' cElems : DWORD
' pvar : VARIANT* out
Declare PtrSafe Function InitVariantFromUInt32Array Lib "propsys" ( _
ByRef prgn As Long, _
ByVal cElems As Long, _
ByVal pvar 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
InitVariantFromUInt32Array = ctypes.windll.propsys.InitVariantFromUInt32Array
InitVariantFromUInt32Array.restype = ctypes.c_int
InitVariantFromUInt32Array.argtypes = [
ctypes.POINTER(wintypes.DWORD), # prgn : DWORD*
wintypes.DWORD, # cElems : DWORD
ctypes.c_void_p, # pvar : VARIANT* out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('PROPSYS.dll')
InitVariantFromUInt32Array = Fiddle::Function.new(
lib['InitVariantFromUInt32Array'],
[
Fiddle::TYPE_VOIDP, # prgn : DWORD*
-Fiddle::TYPE_INT, # cElems : DWORD
Fiddle::TYPE_VOIDP, # pvar : VARIANT* out
],
Fiddle::TYPE_INT)#[link(name = "propsys")]
extern "system" {
fn InitVariantFromUInt32Array(
prgn: *const u32, // DWORD*
cElems: u32, // DWORD
pvar: *mut VARIANT // VARIANT* out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("PROPSYS.dll")]
public static extern int InitVariantFromUInt32Array(ref uint prgn, uint cElems, IntPtr pvar);
"@
$api = Add-Type -MemberDefinition $sig -Name 'PROPSYS_InitVariantFromUInt32Array' -Namespace Win32 -PassThru
# $api::InitVariantFromUInt32Array(prgn, cElems, pvar)#uselib "PROPSYS.dll"
#func global InitVariantFromUInt32Array "InitVariantFromUInt32Array" sptr, sptr, sptr
; InitVariantFromUInt32Array varptr(prgn), cElems, varptr(pvar) ; 戻り値は stat
; prgn : DWORD* -> "sptr"
; cElems : DWORD -> "sptr"
; pvar : VARIANT* 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 "PROPSYS.dll" #cfunc global InitVariantFromUInt32Array "InitVariantFromUInt32Array" var, int, var ; res = InitVariantFromUInt32Array(prgn, cElems, pvar) ; prgn : DWORD* -> "var" ; cElems : DWORD -> "int" ; pvar : VARIANT* 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 "PROPSYS.dll" #cfunc global InitVariantFromUInt32Array "InitVariantFromUInt32Array" sptr, int, sptr ; res = InitVariantFromUInt32Array(varptr(prgn), cElems, varptr(pvar)) ; prgn : DWORD* -> "sptr" ; cElems : DWORD -> "int" ; pvar : VARIANT* 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 InitVariantFromUInt32Array(DWORD* prgn, DWORD cElems, VARIANT* pvar) #uselib "PROPSYS.dll" #cfunc global InitVariantFromUInt32Array "InitVariantFromUInt32Array" var, int, var ; res = InitVariantFromUInt32Array(prgn, cElems, pvar) ; prgn : DWORD* -> "var" ; cElems : DWORD -> "int" ; pvar : VARIANT* 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 InitVariantFromUInt32Array(DWORD* prgn, DWORD cElems, VARIANT* pvar) #uselib "PROPSYS.dll" #cfunc global InitVariantFromUInt32Array "InitVariantFromUInt32Array" intptr, int, intptr ; res = InitVariantFromUInt32Array(varptr(prgn), cElems, varptr(pvar)) ; prgn : DWORD* -> "intptr" ; cElems : DWORD -> "int" ; pvar : VARIANT* 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 (
propsys = windows.NewLazySystemDLL("PROPSYS.dll")
procInitVariantFromUInt32Array = propsys.NewProc("InitVariantFromUInt32Array")
)
// prgn (DWORD*), cElems (DWORD), pvar (VARIANT* out)
r1, _, err := procInitVariantFromUInt32Array.Call(
uintptr(prgn),
uintptr(cElems),
uintptr(pvar),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // HRESULTfunction InitVariantFromUInt32Array(
prgn: Pointer; // DWORD*
cElems: DWORD; // DWORD
pvar: Pointer // VARIANT* out
): Integer; stdcall;
external 'PROPSYS.dll' name 'InitVariantFromUInt32Array';result := DllCall("PROPSYS\InitVariantFromUInt32Array"
, "Ptr", prgn ; DWORD*
, "UInt", cElems ; DWORD
, "Ptr", pvar ; VARIANT* out
, "Int") ; return: HRESULT●InitVariantFromUInt32Array(prgn, cElems, pvar) = DLL("PROPSYS.dll", "int InitVariantFromUInt32Array(void*, dword, void*)")
# 呼び出し: InitVariantFromUInt32Array(prgn, cElems, pvar)
# prgn : DWORD* -> "void*"
# cElems : DWORD -> "dword"
# pvar : VARIANT* 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 "propsys" fn InitVariantFromUInt32Array(
prgn: [*c]u32, // DWORD*
cElems: u32, // DWORD
pvar: [*c]VARIANT // VARIANT* out
) callconv(std.os.windows.WINAPI) i32;proc InitVariantFromUInt32Array(
prgn: ptr uint32, # DWORD*
cElems: uint32, # DWORD
pvar: ptr VARIANT # VARIANT* out
): int32 {.importc: "InitVariantFromUInt32Array", stdcall, dynlib: "PROPSYS.dll".}pragma(lib, "propsys");
extern(Windows)
int InitVariantFromUInt32Array(
uint* prgn, // DWORD*
uint cElems, // DWORD
VARIANT* pvar // VARIANT* out
);ccall((:InitVariantFromUInt32Array, "PROPSYS.dll"), stdcall, Int32,
(Ptr{UInt32}, UInt32, Ptr{VARIANT}),
prgn, cElems, pvar)
# prgn : DWORD* -> Ptr{UInt32}
# cElems : DWORD -> UInt32
# pvar : VARIANT* out -> Ptr{VARIANT}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t InitVariantFromUInt32Array(
uint32_t* prgn,
uint32_t cElems,
void* pvar);
]]
local propsys = ffi.load("propsys")
-- propsys.InitVariantFromUInt32Array(prgn, cElems, pvar)
-- prgn : DWORD*
-- cElems : DWORD
-- pvar : VARIANT* 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('PROPSYS.dll');
const InitVariantFromUInt32Array = lib.func('__stdcall', 'InitVariantFromUInt32Array', 'int32_t', ['uint32_t *', 'uint32_t', 'void *']);
// InitVariantFromUInt32Array(prgn, cElems, pvar)
// prgn : DWORD* -> 'uint32_t *'
// cElems : DWORD -> 'uint32_t'
// pvar : VARIANT* 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("PROPSYS.dll", {
InitVariantFromUInt32Array: { parameters: ["pointer", "u32", "pointer"], result: "i32" },
});
// lib.symbols.InitVariantFromUInt32Array(prgn, cElems, pvar)
// prgn : DWORD* -> "pointer"
// cElems : DWORD -> "u32"
// pvar : VARIANT* 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 InitVariantFromUInt32Array(
uint32_t* prgn,
uint32_t cElems,
void* pvar);
C, "PROPSYS.dll");
// $ffi->InitVariantFromUInt32Array(prgn, cElems, pvar);
// prgn : DWORD*
// cElems : DWORD
// pvar : VARIANT* out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Propsys extends StdCallLibrary {
Propsys INSTANCE = Native.load("propsys", Propsys.class);
int InitVariantFromUInt32Array(
IntByReference prgn, // DWORD*
int cElems, // DWORD
Pointer pvar // VARIANT* out
);
}@[Link("propsys")]
lib LibPROPSYS
fun InitVariantFromUInt32Array = InitVariantFromUInt32Array(
prgn : UInt32*, # DWORD*
cElems : UInt32, # DWORD
pvar : VARIANT* # VARIANT* out
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef InitVariantFromUInt32ArrayNative = Int32 Function(Pointer<Uint32>, Uint32, Pointer<Void>);
typedef InitVariantFromUInt32ArrayDart = int Function(Pointer<Uint32>, int, Pointer<Void>);
final InitVariantFromUInt32Array = DynamicLibrary.open('PROPSYS.dll')
.lookupFunction<InitVariantFromUInt32ArrayNative, InitVariantFromUInt32ArrayDart>('InitVariantFromUInt32Array');
// prgn : DWORD* -> Pointer<Uint32>
// cElems : DWORD -> Uint32
// pvar : VARIANT* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function InitVariantFromUInt32Array(
prgn: Pointer; // DWORD*
cElems: DWORD; // DWORD
pvar: Pointer // VARIANT* out
): Integer; stdcall;
external 'PROPSYS.dll' name 'InitVariantFromUInt32Array';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "InitVariantFromUInt32Array"
c_InitVariantFromUInt32Array :: Ptr Word32 -> Word32 -> Ptr () -> IO Int32
-- prgn : DWORD* -> Ptr Word32
-- cElems : DWORD -> Word32
-- pvar : VARIANT* 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 initvariantfromuint32array =
foreign "InitVariantFromUInt32Array"
((ptr uint32_t) @-> uint32_t @-> (ptr void) @-> returning int32_t)
(* prgn : DWORD* -> (ptr uint32_t) *)
(* cElems : DWORD -> uint32_t *)
(* pvar : VARIANT* 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 propsys (t "PROPSYS.dll"))
(cffi:use-foreign-library propsys)
(cffi:defcfun ("InitVariantFromUInt32Array" init-variant-from-uint32-array :convention :stdcall) :int32
(prgn :pointer) ; DWORD*
(c-elems :uint32) ; DWORD
(pvar :pointer)) ; VARIANT* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $InitVariantFromUInt32Array = Win32::API::More->new('PROPSYS',
'int InitVariantFromUInt32Array(LPVOID prgn, DWORD cElems, LPVOID pvar)');
# my $ret = $InitVariantFromUInt32Array->Call($prgn, $cElems, $pvar);
# prgn : DWORD* -> LPVOID
# cElems : DWORD -> DWORD
# pvar : VARIANT* 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
使用する型