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SetThreadPreferredUILanguages2

関数
スレッドの優先UI言語を設定し、旧設定のスナップショットを保存する。
DLLKERNEL32.dll呼出規約winapi

シグネチャ

// KERNEL32.dll
#include <windows.h>

BOOL SetThreadPreferredUILanguages2(
    DWORD flags,
    LPCWSTR languages,   // optional
    DWORD* numLanguagesSet,   // optional
    HSAVEDUILANGUAGES* snapshot   // optional
);

パラメーター

名前型方向説明
flagsDWORDin言語名形式や動作を指定するMUI_*フラグ。
languagesLPCWSTRinoptional設定するスレッド優先UI言語の二重NULL終端リスト。
numLanguagesSetDWORD*outoptional実際に設定された言語数を受け取るポインタ。
snapshotHSAVEDUILANGUAGES*outoptional復元用に従前の言語設定スナップショットを受け取るHSAVEDUILANGUAGESハンドルへのポインタ。

戻り値の型: BOOL

各言語での呼び出し定義

// KERNEL32.dll
#include <windows.h>

BOOL SetThreadPreferredUILanguages2(
    DWORD flags,
    LPCWSTR languages,   // optional
    DWORD* numLanguagesSet,   // optional
    HSAVEDUILANGUAGES* snapshot   // optional
);
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", ExactSpelling = true)]
static extern bool SetThreadPreferredUILanguages2(
    uint flags,   // DWORD
    [MarshalAs(UnmanagedType.LPWStr)] string languages,   // LPCWSTR optional
    IntPtr numLanguagesSet,   // DWORD* optional, out
    IntPtr snapshot   // HSAVEDUILANGUAGES* optional, out
);
<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function SetThreadPreferredUILanguages2(
    flags As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> languages As String,   ' LPCWSTR optional
    numLanguagesSet As IntPtr,   ' DWORD* optional, out
    snapshot As IntPtr   ' HSAVEDUILANGUAGES* optional, out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function
' flags : DWORD
' languages : LPCWSTR optional
' numLanguagesSet : DWORD* optional, out
' snapshot : HSAVEDUILANGUAGES* optional, out
Declare PtrSafe Function SetThreadPreferredUILanguages2 Lib "kernel32" ( _
    ByVal flags As Long, _
    ByVal languages As LongPtr, _
    ByVal numLanguagesSet As LongPtr, _
    ByVal snapshot 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

SetThreadPreferredUILanguages2 = ctypes.windll.kernel32.SetThreadPreferredUILanguages2
SetThreadPreferredUILanguages2.restype = wintypes.BOOL
SetThreadPreferredUILanguages2.argtypes = [
    wintypes.DWORD,  # flags : DWORD
    wintypes.LPCWSTR,  # languages : LPCWSTR optional
    ctypes.POINTER(wintypes.DWORD),  # numLanguagesSet : DWORD* optional, out
    ctypes.c_void_p,  # snapshot : HSAVEDUILANGUAGES* optional, out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetThreadPreferredUILanguages2 = Fiddle::Function.new(
  lib['SetThreadPreferredUILanguages2'],
  [
    -Fiddle::TYPE_INT,  # flags : DWORD
    Fiddle::TYPE_VOIDP,  # languages : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # numLanguagesSet : DWORD* optional, out
    Fiddle::TYPE_VOIDP,  # snapshot : HSAVEDUILANGUAGES* optional, out
  ],
  Fiddle::TYPE_INT)
#[link(name = "kernel32")]
extern "system" {
    fn SetThreadPreferredUILanguages2(
        flags: u32,  // DWORD
        languages: *const u16,  // LPCWSTR optional
        numLanguagesSet: *mut u32,  // DWORD* optional, out
        snapshot: *mut *mut core::ffi::c_void  // HSAVEDUILANGUAGES* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll")]
public static extern bool SetThreadPreferredUILanguages2(uint flags, [MarshalAs(UnmanagedType.LPWStr)] string languages, IntPtr numLanguagesSet, IntPtr snapshot);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetThreadPreferredUILanguages2' -Namespace Win32 -PassThru
# $api::SetThreadPreferredUILanguages2(flags, languages, numLanguagesSet, snapshot)
#uselib "KERNEL32.dll"
#func global SetThreadPreferredUILanguages2 "SetThreadPreferredUILanguages2" sptr, sptr, sptr, sptr
; SetThreadPreferredUILanguages2 flags, languages, varptr(numLanguagesSet), snapshot   ; 戻り値は stat
; flags : DWORD -> "sptr"
; languages : LPCWSTR optional -> "sptr"
; numLanguagesSet : DWORD* optional, out -> "sptr"
; snapshot : HSAVEDUILANGUAGES* 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 "KERNEL32.dll"
#cfunc global SetThreadPreferredUILanguages2 "SetThreadPreferredUILanguages2" int, wstr, var, sptr
; res = SetThreadPreferredUILanguages2(flags, languages, numLanguagesSet, snapshot)
; flags : DWORD -> "int"
; languages : LPCWSTR optional -> "wstr"
; numLanguagesSet : DWORD* optional, out -> "var"
; snapshot : HSAVEDUILANGUAGES* optional, out -> "sptr"
; ※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: 
; BOOL SetThreadPreferredUILanguages2(DWORD flags, LPCWSTR languages, DWORD* numLanguagesSet, HSAVEDUILANGUAGES* snapshot)
#uselib "KERNEL32.dll"
#cfunc global SetThreadPreferredUILanguages2 "SetThreadPreferredUILanguages2" int, wstr, var, intptr
; res = SetThreadPreferredUILanguages2(flags, languages, numLanguagesSet, snapshot)
; flags : DWORD -> "int"
; languages : LPCWSTR optional -> "wstr"
; numLanguagesSet : DWORD* optional, out -> "var"
; snapshot : HSAVEDUILANGUAGES* optional, out -> "intptr"
; ※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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetThreadPreferredUILanguages2 = kernel32.NewProc("SetThreadPreferredUILanguages2")
)

// flags (DWORD), languages (LPCWSTR optional), numLanguagesSet (DWORD* optional, out), snapshot (HSAVEDUILANGUAGES* optional, out)
r1, _, err := procSetThreadPreferredUILanguages2.Call(
	uintptr(flags),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(languages))),
	uintptr(numLanguagesSet),
	uintptr(snapshot),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL
function SetThreadPreferredUILanguages2(
  flags: DWORD;   // DWORD
  languages: PWideChar;   // LPCWSTR optional
  numLanguagesSet: Pointer;   // DWORD* optional, out
  snapshot: Pointer   // HSAVEDUILANGUAGES* optional, out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetThreadPreferredUILanguages2';
result := DllCall("KERNEL32\SetThreadPreferredUILanguages2"
    , "UInt", flags   ; DWORD
    , "WStr", languages   ; LPCWSTR optional
    , "Ptr", numLanguagesSet   ; DWORD* optional, out
    , "Ptr", snapshot   ; HSAVEDUILANGUAGES* optional, out
    , "Int")   ; return: BOOL
●SetThreadPreferredUILanguages2(flags, languages, numLanguagesSet, snapshot) = DLL("KERNEL32.dll", "bool SetThreadPreferredUILanguages2(dword, char*, void*, void*)")
# 呼び出し: SetThreadPreferredUILanguages2(flags, languages, numLanguagesSet, snapshot)
# flags : DWORD -> "dword"
# languages : LPCWSTR optional -> "char*"
# numLanguagesSet : DWORD* optional, out -> "void*"
# snapshot : HSAVEDUILANGUAGES* 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 "kernel32" fn SetThreadPreferredUILanguages2(
    flags: u32, // DWORD
    languages: [*c]const u16, // LPCWSTR optional
    numLanguagesSet: [*c]u32, // DWORD* optional, out
    snapshot: ?*anyopaque // HSAVEDUILANGUAGES* optional, out
) callconv(std.os.windows.WINAPI) i32;
proc SetThreadPreferredUILanguages2(
    flags: uint32,  # DWORD
    languages: WideCString,  # LPCWSTR optional
    numLanguagesSet: ptr uint32,  # DWORD* optional, out
    snapshot: pointer  # HSAVEDUILANGUAGES* optional, out
): int32 {.importc: "SetThreadPreferredUILanguages2", stdcall, dynlib: "KERNEL32.dll".}
pragma(lib, "kernel32");
extern(Windows)
int SetThreadPreferredUILanguages2(
    uint flags,   // DWORD
    const(wchar)* languages,   // LPCWSTR optional
    uint* numLanguagesSet,   // DWORD* optional, out
    void* snapshot   // HSAVEDUILANGUAGES* optional, out
);
ccall((:SetThreadPreferredUILanguages2, "KERNEL32.dll"), stdcall, Int32,
      (UInt32, Cwstring, Ptr{UInt32}, Ptr{Cvoid}),
      flags, languages, numLanguagesSet, snapshot)
# flags : DWORD -> UInt32
# languages : LPCWSTR optional -> Cwstring
# numLanguagesSet : DWORD* optional, out -> Ptr{UInt32}
# snapshot : HSAVEDUILANGUAGES* optional, out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t SetThreadPreferredUILanguages2(
    uint32_t flags,
    const uint16_t* languages,
    uint32_t* numLanguagesSet,
    void* snapshot);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.SetThreadPreferredUILanguages2(flags, languages, numLanguagesSet, snapshot)
-- flags : DWORD
-- languages : LPCWSTR optional
-- numLanguagesSet : DWORD* optional, out
-- snapshot : HSAVEDUILANGUAGES* 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('KERNEL32.dll');
const SetThreadPreferredUILanguages2 = lib.func('__stdcall', 'SetThreadPreferredUILanguages2', 'int32_t', ['uint32_t', 'str16', 'uint32_t *', 'void *']);
// SetThreadPreferredUILanguages2(flags, languages, numLanguagesSet, snapshot)
// flags : DWORD -> 'uint32_t'
// languages : LPCWSTR optional -> 'str16'
// numLanguagesSet : DWORD* optional, out -> 'uint32_t *'
// snapshot : HSAVEDUILANGUAGES* optional, 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("KERNEL32.dll", {
  SetThreadPreferredUILanguages2: { parameters: ["u32", "buffer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.SetThreadPreferredUILanguages2(flags, languages, numLanguagesSet, snapshot)
// flags : DWORD -> "u32"
// languages : LPCWSTR optional -> "buffer"
// numLanguagesSet : DWORD* optional, out -> "pointer"
// snapshot : HSAVEDUILANGUAGES* 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 SetThreadPreferredUILanguages2(
    uint32_t flags,
    const uint16_t* languages,
    uint32_t* numLanguagesSet,
    void* snapshot);
C, "KERNEL32.dll");
// $ffi->SetThreadPreferredUILanguages2(flags, languages, numLanguagesSet, snapshot);
// flags : DWORD
// languages : LPCWSTR optional
// numLanguagesSet : DWORD* optional, out
// snapshot : HSAVEDUILANGUAGES* 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    boolean SetThreadPreferredUILanguages2(
        int flags,   // DWORD
        WString languages,   // LPCWSTR optional
        IntByReference numLanguagesSet,   // DWORD* optional, out
        Pointer snapshot   // HSAVEDUILANGUAGES* optional, out
    );
}
@[Link("kernel32")]
lib LibKERNEL32
  fun SetThreadPreferredUILanguages2 = SetThreadPreferredUILanguages2(
    flags : UInt32,   # DWORD
    languages : UInt16*,   # LPCWSTR optional
    numLanguagesSet : UInt32*,   # DWORD* optional, out
    snapshot : Void*   # HSAVEDUILANGUAGES* 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 SetThreadPreferredUILanguages2Native = Int32 Function(Uint32, Pointer<Utf16>, Pointer<Uint32>, Pointer<Void>);
typedef SetThreadPreferredUILanguages2Dart = int Function(int, Pointer<Utf16>, Pointer<Uint32>, Pointer<Void>);
final SetThreadPreferredUILanguages2 = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<SetThreadPreferredUILanguages2Native, SetThreadPreferredUILanguages2Dart>('SetThreadPreferredUILanguages2');
// flags : DWORD -> Uint32
// languages : LPCWSTR optional -> Pointer<Utf16>
// numLanguagesSet : DWORD* optional, out -> Pointer<Uint32>
// snapshot : HSAVEDUILANGUAGES* optional, out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function SetThreadPreferredUILanguages2(
  flags: DWORD;   // DWORD
  languages: PWideChar;   // LPCWSTR optional
  numLanguagesSet: Pointer;   // DWORD* optional, out
  snapshot: Pointer   // HSAVEDUILANGUAGES* optional, out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetThreadPreferredUILanguages2';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SetThreadPreferredUILanguages2"
  c_SetThreadPreferredUILanguages2 :: Word32 -> CWString -> Ptr Word32 -> Ptr () -> IO CInt
-- flags : DWORD -> Word32
-- languages : LPCWSTR optional -> CWString
-- numLanguagesSet : DWORD* optional, out -> Ptr Word32
-- snapshot : HSAVEDUILANGUAGES* optional, 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 setthreadpreferreduilanguages2 =
  foreign "SetThreadPreferredUILanguages2"
    (uint32_t @-> (ptr uint16_t) @-> (ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* flags : DWORD -> uint32_t *)
(* languages : LPCWSTR optional -> (ptr uint16_t) *)
(* numLanguagesSet : DWORD* optional, out -> (ptr uint32_t) *)
(* snapshot : HSAVEDUILANGUAGES* optional, 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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("SetThreadPreferredUILanguages2" set-thread-preferred-uilanguages2 :convention :stdcall) :int32
  (flags :uint32)   ; DWORD
  (languages (:string :encoding :utf-16le))   ; LPCWSTR optional
  (num-languages-set :pointer)   ; DWORD* optional, out
  (snapshot :pointer))   ; HSAVEDUILANGUAGES* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $SetThreadPreferredUILanguages2 = Win32::API::More->new('KERNEL32',
    'BOOL SetThreadPreferredUILanguages2(DWORD flags, LPCWSTR languages, LPVOID numLanguagesSet, HANDLE snapshot)');
# my $ret = $SetThreadPreferredUILanguages2->Call($flags, $languages, $numLanguagesSet, $snapshot);
# flags : DWORD -> DWORD
# languages : LPCWSTR optional -> LPCWSTR
# numLanguagesSet : DWORD* optional, out -> LPVOID
# snapshot : HSAVEDUILANGUAGES* optional, out -> HANDLE
# 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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