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SetUserObjectInformationA
関数ユーザーオブジェクトの情報を設定する。
シグネチャ
// USER32.dll (ANSI / -A)
#include <windows.h>
BOOL SetUserObjectInformationA(
HANDLE hObj,
INT nIndex,
void* pvInfo,
DWORD nLength
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| hObj | HANDLE | in | 情報を設定するユーザーオブジェクトのハンドル。 |
| nIndex | INT | in | 設定する情報の種類。UOI_FLAGS 等のインデックス値。 |
| pvInfo | void* | in | 設定する情報(USEROBJECTFLAGS 等)を格納したバッファへのポインタ。 |
| nLength | DWORD | in | pvInfo バッファのサイズ(バイト単位)。 |
戻り値の型: BOOL
各言語での呼び出し定義
// USER32.dll (ANSI / -A)
#include <windows.h>
BOOL SetUserObjectInformationA(
HANDLE hObj,
INT nIndex,
void* pvInfo,
DWORD nLength
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", CharSet = CharSet.Ansi, SetLastError = true, ExactSpelling = true)]
static extern bool SetUserObjectInformationA(
IntPtr hObj, // HANDLE
int nIndex, // INT
IntPtr pvInfo, // void*
uint nLength // DWORD
);<DllImport("USER32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetUserObjectInformationA(
hObj As IntPtr, ' HANDLE
nIndex As Integer, ' INT
pvInfo As IntPtr, ' void*
nLength As UInteger ' DWORD
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function' hObj : HANDLE
' nIndex : INT
' pvInfo : void*
' nLength : DWORD
Declare PtrSafe Function SetUserObjectInformationA Lib "user32" ( _
ByVal hObj As LongPtr, _
ByVal nIndex As Long, _
ByVal pvInfo As LongPtr, _
ByVal nLength As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。import ctypes
from ctypes import wintypes
SetUserObjectInformationA = ctypes.windll.user32.SetUserObjectInformationA
SetUserObjectInformationA.restype = wintypes.BOOL
SetUserObjectInformationA.argtypes = [
wintypes.HANDLE, # hObj : HANDLE
ctypes.c_int, # nIndex : INT
ctypes.POINTER(None), # pvInfo : void*
wintypes.DWORD, # nLength : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('USER32.dll')
SetUserObjectInformationA = Fiddle::Function.new(
lib['SetUserObjectInformationA'],
[
Fiddle::TYPE_VOIDP, # hObj : HANDLE
Fiddle::TYPE_INT, # nIndex : INT
Fiddle::TYPE_VOIDP, # pvInfo : void*
-Fiddle::TYPE_INT, # nLength : DWORD
],
Fiddle::TYPE_INT)#[link(name = "user32")]
extern "system" {
fn SetUserObjectInformationA(
hObj: *mut core::ffi::c_void, // HANDLE
nIndex: i32, // INT
pvInfo: *mut (), // void*
nLength: u32 // DWORD
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern bool SetUserObjectInformationA(IntPtr hObj, int nIndex, IntPtr pvInfo, uint nLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_SetUserObjectInformationA' -Namespace Win32 -PassThru
# $api::SetUserObjectInformationA(hObj, nIndex, pvInfo, nLength)#uselib "USER32.dll"
#func global SetUserObjectInformationA "SetUserObjectInformationA" sptr, sptr, sptr, sptr
; SetUserObjectInformationA hObj, nIndex, pvInfo, nLength ; 戻り値は stat
; hObj : HANDLE -> "sptr"
; nIndex : INT -> "sptr"
; pvInfo : void* -> "sptr"
; nLength : DWORD -> "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。#uselib "USER32.dll"
#cfunc global SetUserObjectInformationA "SetUserObjectInformationA" sptr, int, sptr, int
; res = SetUserObjectInformationA(hObj, nIndex, pvInfo, nLength)
; hObj : HANDLE -> "sptr"
; nIndex : INT -> "int"
; pvInfo : void* -> "sptr"
; nLength : DWORD -> "int"; BOOL SetUserObjectInformationA(HANDLE hObj, INT nIndex, void* pvInfo, DWORD nLength)
#uselib "USER32.dll"
#cfunc global SetUserObjectInformationA "SetUserObjectInformationA" intptr, int, intptr, int
; res = SetUserObjectInformationA(hObj, nIndex, pvInfo, nLength)
; hObj : HANDLE -> "intptr"
; nIndex : INT -> "int"
; pvInfo : void* -> "intptr"
; nLength : DWORD -> "int"import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
user32 = windows.NewLazySystemDLL("USER32.dll")
procSetUserObjectInformationA = user32.NewProc("SetUserObjectInformationA")
)
// hObj (HANDLE), nIndex (INT), pvInfo (void*), nLength (DWORD)
r1, _, err := procSetUserObjectInformationA.Call(
uintptr(hObj),
uintptr(nIndex),
uintptr(pvInfo),
uintptr(nLength),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction SetUserObjectInformationA(
hObj: THandle; // HANDLE
nIndex: Integer; // INT
pvInfo: Pointer; // void*
nLength: DWORD // DWORD
): BOOL; stdcall;
external 'USER32.dll' name 'SetUserObjectInformationA';result := DllCall("USER32\SetUserObjectInformationA"
, "Ptr", hObj ; HANDLE
, "Int", nIndex ; INT
, "Ptr", pvInfo ; void*
, "UInt", nLength ; DWORD
, "Int") ; return: BOOL●SetUserObjectInformationA(hObj, nIndex, pvInfo, nLength) = DLL("USER32.dll", "bool SetUserObjectInformationA(void*, int, void*, dword)")
# 呼び出し: SetUserObjectInformationA(hObj, nIndex, pvInfo, nLength)
# hObj : HANDLE -> "void*"
# nIndex : INT -> "int"
# pvInfo : void* -> "void*"
# nLength : DWORD -> "dword"
# 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 "user32" fn SetUserObjectInformationA(
hObj: ?*anyopaque, // HANDLE
nIndex: i32, // INT
pvInfo: ?*anyopaque, // void*
nLength: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;proc SetUserObjectInformationA(
hObj: pointer, # HANDLE
nIndex: int32, # INT
pvInfo: pointer, # void*
nLength: uint32 # DWORD
): int32 {.importc: "SetUserObjectInformationA", stdcall, dynlib: "USER32.dll".}pragma(lib, "user32");
extern(Windows)
int SetUserObjectInformationA(
void* hObj, // HANDLE
int nIndex, // INT
void* pvInfo, // void*
uint nLength // DWORD
);ccall((:SetUserObjectInformationA, "USER32.dll"), stdcall, Int32,
(Ptr{Cvoid}, Int32, Ptr{Cvoid}, UInt32),
hObj, nIndex, pvInfo, nLength)
# hObj : HANDLE -> Ptr{Cvoid}
# nIndex : INT -> Int32
# pvInfo : void* -> Ptr{Cvoid}
# nLength : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t SetUserObjectInformationA(
void* hObj,
int32_t nIndex,
void* pvInfo,
uint32_t nLength);
]]
local user32 = ffi.load("user32")
-- user32.SetUserObjectInformationA(hObj, nIndex, pvInfo, nLength)
-- hObj : HANDLE
-- nIndex : INT
-- pvInfo : void*
-- nLength : DWORD
-- 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('USER32.dll');
const SetUserObjectInformationA = lib.func('__stdcall', 'SetUserObjectInformationA', 'int32_t', ['void *', 'int32_t', 'void *', 'uint32_t']);
// SetUserObjectInformationA(hObj, nIndex, pvInfo, nLength)
// hObj : HANDLE -> 'void *'
// nIndex : INT -> 'int32_t'
// pvInfo : void* -> 'void *'
// nLength : DWORD -> '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("USER32.dll", {
SetUserObjectInformationA: { parameters: ["pointer", "i32", "pointer", "u32"], result: "i32" },
});
// lib.symbols.SetUserObjectInformationA(hObj, nIndex, pvInfo, nLength)
// hObj : HANDLE -> "pointer"
// nIndex : INT -> "i32"
// pvInfo : void* -> "pointer"
// nLength : DWORD -> "u32"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
int32_t SetUserObjectInformationA(
void* hObj,
int32_t nIndex,
void* pvInfo,
uint32_t nLength);
C, "USER32.dll");
// $ffi->SetUserObjectInformationA(hObj, nIndex, pvInfo, nLength);
// hObj : HANDLE
// nIndex : INT
// pvInfo : void*
// nLength : DWORD
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface User32 extends StdCallLibrary {
User32 INSTANCE = Native.load("user32", User32.class, W32APIOptions.ASCII_OPTIONS);
boolean SetUserObjectInformationA(
Pointer hObj, // HANDLE
int nIndex, // INT
Pointer pvInfo, // void*
int nLength // DWORD
);
}@[Link("user32")]
lib LibUSER32
fun SetUserObjectInformationA = SetUserObjectInformationA(
hObj : Void*, # HANDLE
nIndex : Int32, # INT
pvInfo : Void*, # void*
nLength : UInt32 # DWORD
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef SetUserObjectInformationANative = Int32 Function(Pointer<Void>, Int32, Pointer<Void>, Uint32);
typedef SetUserObjectInformationADart = int Function(Pointer<Void>, int, Pointer<Void>, int);
final SetUserObjectInformationA = DynamicLibrary.open('USER32.dll')
.lookupFunction<SetUserObjectInformationANative, SetUserObjectInformationADart>('SetUserObjectInformationA');
// hObj : HANDLE -> Pointer<Void>
// nIndex : INT -> Int32
// pvInfo : void* -> Pointer<Void>
// nLength : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function SetUserObjectInformationA(
hObj: THandle; // HANDLE
nIndex: Integer; // INT
pvInfo: Pointer; // void*
nLength: DWORD // DWORD
): BOOL; stdcall;
external 'USER32.dll' name 'SetUserObjectInformationA';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "SetUserObjectInformationA"
c_SetUserObjectInformationA :: Ptr () -> Int32 -> Ptr () -> Word32 -> IO CInt
-- hObj : HANDLE -> Ptr ()
-- nIndex : INT -> Int32
-- pvInfo : void* -> Ptr ()
-- nLength : DWORD -> 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 setuserobjectinformationa =
foreign "SetUserObjectInformationA"
((ptr void) @-> int32_t @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* hObj : HANDLE -> (ptr void) *)
(* nIndex : INT -> int32_t *)
(* pvInfo : void* -> (ptr void) *)
(* nLength : DWORD -> 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 user32 (t "USER32.dll"))
(cffi:use-foreign-library user32)
(cffi:defcfun ("SetUserObjectInformationA" set-user-object-information-a :convention :stdcall) :int32
(h-obj :pointer) ; HANDLE
(n-index :int32) ; INT
(pv-info :pointer) ; void*
(n-length :uint32)) ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $SetUserObjectInformationA = Win32::API::More->new('USER32',
'BOOL SetUserObjectInformationA(HANDLE hObj, int nIndex, LPVOID pvInfo, DWORD nLength)');
# my $ret = $SetUserObjectInformationA->Call($hObj, $nIndex, $pvInfo, $nLength);
# hObj : HANDLE -> HANDLE
# nIndex : INT -> int
# pvInfo : void* -> LPVOID
# nLength : DWORD -> DWORD
# 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
文字セット違い
- f SetUserObjectInformationW (Unicode版) — ユーザーオブジェクトの情報を設定する。