SetComputerNameEx2W

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

BOOL SetComputerNameEx2W(
    COMPUTER_NAME_FORMAT NameType,
    DWORD Flags,
    LPCWSTR lpBuffer
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function SetComputerNameEx2W(
    NameType As Integer,   ' COMPUTER_NAME_FORMAT
    Flags As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> lpBuffer As String   ' LPCWSTR
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' NameType : COMPUTER_NAME_FORMAT
' Flags : DWORD
' lpBuffer : LPCWSTR
Declare PtrSafe Function SetComputerNameEx2W Lib "kernel32" ( _
    ByVal NameType As Long, _
    ByVal Flags As Long, _
    ByVal lpBuffer 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

SetComputerNameEx2W = ctypes.windll.kernel32.SetComputerNameEx2W
SetComputerNameEx2W.restype = wintypes.BOOL
SetComputerNameEx2W.argtypes = [
    ctypes.c_int,  # NameType : COMPUTER_NAME_FORMAT
    wintypes.DWORD,  # Flags : DWORD
    wintypes.LPCWSTR,  # lpBuffer : LPCWSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetComputerNameEx2W = Fiddle::Function.new(
  lib['SetComputerNameEx2W'],
  [
    Fiddle::TYPE_INT,  # NameType : COMPUTER_NAME_FORMAT
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # lpBuffer : LPCWSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn SetComputerNameEx2W(
        NameType: i32,  // COMPUTER_NAME_FORMAT
        Flags: u32,  // DWORD
        lpBuffer: *const u16  // LPCWSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll")]
public static extern bool SetComputerNameEx2W(int NameType, uint Flags, [MarshalAs(UnmanagedType.LPWStr)] string lpBuffer);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetComputerNameEx2W' -Namespace Win32 -PassThru
# $api::SetComputerNameEx2W(NameType, Flags, lpBuffer)

#uselib "KERNEL32.dll"
#func global SetComputerNameEx2W "SetComputerNameEx2W" sptr, sptr, sptr
; SetComputerNameEx2W NameType, Flags, lpBuffer   ; 戻り値は stat
; NameType : COMPUTER_NAME_FORMAT -> "sptr"
; Flags : DWORD -> "sptr"
; lpBuffer : LPCWSTR -> "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 SetComputerNameEx2W "SetComputerNameEx2W" int, int, wstr
; res = SetComputerNameEx2W(NameType, Flags, lpBuffer)
; NameType : COMPUTER_NAME_FORMAT -> "int"
; Flags : DWORD -> "int"
; lpBuffer : LPCWSTR -> "wstr"

; BOOL SetComputerNameEx2W(COMPUTER_NAME_FORMAT NameType, DWORD Flags, LPCWSTR lpBuffer)
#uselib "KERNEL32.dll"
#cfunc global SetComputerNameEx2W "SetComputerNameEx2W" int, int, wstr
; res = SetComputerNameEx2W(NameType, Flags, lpBuffer)
; NameType : COMPUTER_NAME_FORMAT -> "int"
; Flags : DWORD -> "int"
; lpBuffer : LPCWSTR -> "wstr"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetComputerNameEx2W = kernel32.NewProc("SetComputerNameEx2W")
)

// NameType (COMPUTER_NAME_FORMAT), Flags (DWORD), lpBuffer (LPCWSTR)
r1, _, err := procSetComputerNameEx2W.Call(
	uintptr(NameType),
	uintptr(Flags),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpBuffer))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetComputerNameEx2W(
  NameType: Integer;   // COMPUTER_NAME_FORMAT
  Flags: DWORD;   // DWORD
  lpBuffer: PWideChar   // LPCWSTR
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetComputerNameEx2W';

result := DllCall("KERNEL32\SetComputerNameEx2W"
    , "Int", NameType   ; COMPUTER_NAME_FORMAT
    , "UInt", Flags   ; DWORD
    , "WStr", lpBuffer   ; LPCWSTR
    , "Int")   ; return: BOOL

●SetComputerNameEx2W(NameType, Flags, lpBuffer) = DLL("KERNEL32.dll", "bool SetComputerNameEx2W(int, dword, char*)")
# 呼び出し: SetComputerNameEx2W(NameType, Flags, lpBuffer)
# NameType : COMPUTER_NAME_FORMAT -> "int"
# Flags : DWORD -> "dword"
# lpBuffer : LPCWSTR -> "char*"
# 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 SetComputerNameEx2W(
    NameType: i32, // COMPUTER_NAME_FORMAT
    Flags: u32, // DWORD
    lpBuffer: [*c]const u16 // LPCWSTR
) callconv(std.os.windows.WINAPI) i32;

proc SetComputerNameEx2W(
    NameType: int32,  # COMPUTER_NAME_FORMAT
    Flags: uint32,  # DWORD
    lpBuffer: WideCString  # LPCWSTR
): int32 {.importc: "SetComputerNameEx2W", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
int SetComputerNameEx2W(
    int NameType,   // COMPUTER_NAME_FORMAT
    uint Flags,   // DWORD
    const(wchar)* lpBuffer   // LPCWSTR
);

ccall((:SetComputerNameEx2W, "KERNEL32.dll"), stdcall, Int32,
      (Int32, UInt32, Cwstring),
      NameType, Flags, lpBuffer)
# NameType : COMPUTER_NAME_FORMAT -> Int32
# Flags : DWORD -> UInt32
# lpBuffer : LPCWSTR -> Cwstring
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t SetComputerNameEx2W(
    int32_t NameType,
    uint32_t Flags,
    const uint16_t* lpBuffer);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.SetComputerNameEx2W(NameType, Flags, lpBuffer)
-- NameType : COMPUTER_NAME_FORMAT
-- Flags : DWORD
-- lpBuffer : LPCWSTR
-- 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 SetComputerNameEx2W = lib.func('__stdcall', 'SetComputerNameEx2W', 'int32_t', ['int32_t', 'uint32_t', 'str16']);
// SetComputerNameEx2W(NameType, Flags, lpBuffer)
// NameType : COMPUTER_NAME_FORMAT -> 'int32_t'
// Flags : DWORD -> 'uint32_t'
// lpBuffer : LPCWSTR -> 'str16'
// 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", {
  SetComputerNameEx2W: { parameters: ["i32", "u32", "buffer"], result: "i32" },
});
// lib.symbols.SetComputerNameEx2W(NameType, Flags, lpBuffer)
// NameType : COMPUTER_NAME_FORMAT -> "i32"
// Flags : DWORD -> "u32"
// lpBuffer : LPCWSTR -> "buffer"
// 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 SetComputerNameEx2W(
    int32_t NameType,
    uint32_t Flags,
    const uint16_t* lpBuffer);
C, "KERNEL32.dll");
// $ffi->SetComputerNameEx2W(NameType, Flags, lpBuffer);
// NameType : COMPUTER_NAME_FORMAT
// Flags : DWORD
// lpBuffer : LPCWSTR
// 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 SetComputerNameEx2W(
        int NameType,   // COMPUTER_NAME_FORMAT
        int Flags,   // DWORD
        WString lpBuffer   // LPCWSTR
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun SetComputerNameEx2W = SetComputerNameEx2W(
    NameType : Int32,   # COMPUTER_NAME_FORMAT
    Flags : UInt32,   # DWORD
    lpBuffer : UInt16*   # LPCWSTR
  ) : 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 SetComputerNameEx2WNative = Int32 Function(Int32, Uint32, Pointer<Utf16>);
typedef SetComputerNameEx2WDart = int Function(int, int, Pointer<Utf16>);
final SetComputerNameEx2W = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<SetComputerNameEx2WNative, SetComputerNameEx2WDart>('SetComputerNameEx2W');
// NameType : COMPUTER_NAME_FORMAT -> Int32
// Flags : DWORD -> Uint32
// lpBuffer : LPCWSTR -> Pointer<Utf16>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SetComputerNameEx2W(
  NameType: Integer;   // COMPUTER_NAME_FORMAT
  Flags: DWORD;   // DWORD
  lpBuffer: PWideChar   // LPCWSTR
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'SetComputerNameEx2W';

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

foreign import stdcall safe "SetComputerNameEx2W"
  c_SetComputerNameEx2W :: Int32 -> Word32 -> CWString -> IO CInt
-- NameType : COMPUTER_NAME_FORMAT -> Int32
-- Flags : DWORD -> Word32
-- lpBuffer : LPCWSTR -> CWString
-- 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 setcomputernameex2w =
  foreign "SetComputerNameEx2W"
    (int32_t @-> uint32_t @-> (ptr uint16_t) @-> returning int32_t)
(* NameType : COMPUTER_NAME_FORMAT -> int32_t *)
(* Flags : DWORD -> uint32_t *)
(* lpBuffer : LPCWSTR -> (ptr uint16_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 ("SetComputerNameEx2W" set-computer-name-ex2-w :convention :stdcall) :int32
  (name-type :int32)   ; COMPUTER_NAME_FORMAT
  (flags :uint32)   ; DWORD
  (lp-buffer (:string :encoding :utf-16le)))   ; LPCWSTR
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SetComputerNameEx2W = Win32::API::More->new('KERNEL32',
    'BOOL SetComputerNameEx2W(int NameType, DWORD Flags, LPCWSTR lpBuffer)');
# my $ret = $SetComputerNameEx2W->Call($NameType, $Flags, $lpBuffer);
# NameType : COMPUTER_NAME_FORMAT -> int
# Flags : DWORD -> DWORD
# lpBuffer : LPCWSTR -> LPCWSTR
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。