SetThreadLocale

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

BOOL SetThreadLocale(
    DWORD Locale
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function SetThreadLocale(
    Locale As UInteger   ' DWORD
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' Locale : DWORD
Declare PtrSafe Function SetThreadLocale Lib "kernel32" ( _
    ByVal Locale 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

SetThreadLocale = ctypes.windll.kernel32.SetThreadLocale
SetThreadLocale.restype = wintypes.BOOL
SetThreadLocale.argtypes = [
    wintypes.DWORD,  # Locale : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetThreadLocale = Fiddle::Function.new(
  lib['SetThreadLocale'],
  [
    -Fiddle::TYPE_INT,  # Locale : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn SetThreadLocale(
        Locale: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll")]
public static extern bool SetThreadLocale(uint Locale);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetThreadLocale' -Namespace Win32 -PassThru
# $api::SetThreadLocale(Locale)

#uselib "KERNEL32.dll"
#func global SetThreadLocale "SetThreadLocale" sptr
; SetThreadLocale Locale   ; 戻り値は stat
; Locale : 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 "KERNEL32.dll"
#cfunc global SetThreadLocale "SetThreadLocale" int
; res = SetThreadLocale(Locale)
; Locale : DWORD -> "int"

; BOOL SetThreadLocale(DWORD Locale)
#uselib "KERNEL32.dll"
#cfunc global SetThreadLocale "SetThreadLocale" int
; res = SetThreadLocale(Locale)
; Locale : DWORD -> "int"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetThreadLocale = kernel32.NewProc("SetThreadLocale")
)

// Locale (DWORD)
r1, _, err := procSetThreadLocale.Call(
	uintptr(Locale),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetThreadLocale(
  Locale: DWORD   // DWORD
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetThreadLocale';

result := DllCall("KERNEL32\SetThreadLocale"
    , "UInt", Locale   ; DWORD
    , "Int")   ; return: BOOL

●SetThreadLocale(Locale) = DLL("KERNEL32.dll", "bool SetThreadLocale(dword)")
# 呼び出し: SetThreadLocale(Locale)
# Locale : 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 "kernel32" fn SetThreadLocale(
    Locale: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc SetThreadLocale(
    Locale: uint32  # DWORD
): int32 {.importc: "SetThreadLocale", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
int SetThreadLocale(
    uint Locale   // DWORD
);

ccall((:SetThreadLocale, "KERNEL32.dll"), stdcall, Int32,
      (UInt32,),
      Locale)
# Locale : 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 SetThreadLocale(
    uint32_t Locale);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.SetThreadLocale(Locale)
-- Locale : 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('KERNEL32.dll');
const SetThreadLocale = lib.func('__stdcall', 'SetThreadLocale', 'int32_t', ['uint32_t']);
// SetThreadLocale(Locale)
// Locale : 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("KERNEL32.dll", {
  SetThreadLocale: { parameters: ["u32"], result: "i32" },
});
// lib.symbols.SetThreadLocale(Locale)
// Locale : DWORD -> "u32"
// 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 SetThreadLocale(
    uint32_t Locale);
C, "KERNEL32.dll");
// $ffi->SetThreadLocale(Locale);
// Locale : 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    boolean SetThreadLocale(
        int Locale   // DWORD
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun SetThreadLocale = SetThreadLocale(
    Locale : 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 SetThreadLocaleNative = Int32 Function(Uint32);
typedef SetThreadLocaleDart = int Function(int);
final SetThreadLocale = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<SetThreadLocaleNative, SetThreadLocaleDart>('SetThreadLocale');
// Locale : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SetThreadLocale(
  Locale: DWORD   // DWORD
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetThreadLocale';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "SetThreadLocale"
  c_SetThreadLocale :: Word32 -> IO CInt
-- Locale : 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 setthreadlocale =
  foreign "SetThreadLocale"
    (uint32_t @-> returning int32_t)
(* Locale : 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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("SetThreadLocale" set-thread-locale :convention :stdcall) :int32
  (locale :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SetThreadLocale = Win32::API::More->new('KERNEL32',
    'BOOL SetThreadLocale(DWORD Locale)');
# my $ret = $SetThreadLocale->Call($Locale);
# Locale : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。