ChangeServiceConfig2W

// ADVAPI32.dll  (Unicode / -W)
#include <windows.h>

BOOL ChangeServiceConfig2W(
    SC_HANDLE hService,
    SERVICE_CONFIG dwInfoLevel,
    void* lpInfo   // optional
);

<DllImport("ADVAPI32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function ChangeServiceConfig2W(
    hService As IntPtr,   ' SC_HANDLE
    dwInfoLevel As UInteger,   ' SERVICE_CONFIG
    lpInfo As IntPtr   ' void* optional
) As Boolean
End Function

' hService : SC_HANDLE
' dwInfoLevel : SERVICE_CONFIG
' lpInfo : void* optional
Declare PtrSafe Function ChangeServiceConfig2W Lib "advapi32" ( _
    ByVal hService As LongPtr, _
    ByVal dwInfoLevel As Long, _
    ByVal lpInfo As LongPtr) As Long
' Unicode(W): 文字列は ByVal As LongPtr とし StrPtr(unicodeStr) を渡す
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ChangeServiceConfig2W = ctypes.windll.advapi32.ChangeServiceConfig2W
ChangeServiceConfig2W.restype = wintypes.BOOL
ChangeServiceConfig2W.argtypes = [
    wintypes.HANDLE,  # hService : SC_HANDLE
    wintypes.DWORD,  # dwInfoLevel : SERVICE_CONFIG
    ctypes.POINTER(None),  # lpInfo : void* optional
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ADVAPI32.dll')
ChangeServiceConfig2W = Fiddle::Function.new(
  lib['ChangeServiceConfig2W'],
  [
    Fiddle::TYPE_VOIDP,  # hService : SC_HANDLE
    -Fiddle::TYPE_INT,  # dwInfoLevel : SERVICE_CONFIG
    Fiddle::TYPE_VOIDP,  # lpInfo : void* optional
  ],
  Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "advapi32")]
extern "system" {
    fn ChangeServiceConfig2W(
        hService: *mut core::ffi::c_void,  // SC_HANDLE
        dwInfoLevel: u32,  // SERVICE_CONFIG
        lpInfo: *mut ()  // void* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("ADVAPI32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern bool ChangeServiceConfig2W(IntPtr hService, uint dwInfoLevel, IntPtr lpInfo);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ADVAPI32_ChangeServiceConfig2W' -Namespace Win32 -PassThru
# $api::ChangeServiceConfig2W(hService, dwInfoLevel, lpInfo)

#uselib "ADVAPI32.dll"
#func global ChangeServiceConfig2W "ChangeServiceConfig2W" wptr, wptr, wptr
; ChangeServiceConfig2W hService, dwInfoLevel, lpInfo   ; 戻り値は stat
; hService : SC_HANDLE -> "wptr"
; dwInfoLevel : SERVICE_CONFIG -> "wptr"
; lpInfo : void* optional -> "wptr"
; ※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 "ADVAPI32.dll"
#cfunc global ChangeServiceConfig2W "ChangeServiceConfig2W" sptr, int, sptr
; res = ChangeServiceConfig2W(hService, dwInfoLevel, lpInfo)
; hService : SC_HANDLE -> "sptr"
; dwInfoLevel : SERVICE_CONFIG -> "int"
; lpInfo : void* optional -> "sptr"

; BOOL ChangeServiceConfig2W(SC_HANDLE hService, SERVICE_CONFIG dwInfoLevel, void* lpInfo)
#uselib "ADVAPI32.dll"
#cfunc global ChangeServiceConfig2W "ChangeServiceConfig2W" intptr, int, intptr
; res = ChangeServiceConfig2W(hService, dwInfoLevel, lpInfo)
; hService : SC_HANDLE -> "intptr"
; dwInfoLevel : SERVICE_CONFIG -> "int"
; lpInfo : void* optional -> "intptr"

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

var (
	advapi32 = windows.NewLazySystemDLL("ADVAPI32.dll")
	procChangeServiceConfig2W = advapi32.NewProc("ChangeServiceConfig2W")
)

// hService (SC_HANDLE), dwInfoLevel (SERVICE_CONFIG), lpInfo (void* optional)
r1, _, err := procChangeServiceConfig2W.Call(
	uintptr(hService),
	uintptr(dwInfoLevel),
	uintptr(lpInfo),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function ChangeServiceConfig2W(
  hService: THandle;   // SC_HANDLE
  dwInfoLevel: DWORD;   // SERVICE_CONFIG
  lpInfo: Pointer   // void* optional
): BOOL; stdcall;
  external 'ADVAPI32.dll' name 'ChangeServiceConfig2W';

result := DllCall("ADVAPI32\ChangeServiceConfig2W"
    , "Ptr", hService   ; SC_HANDLE
    , "UInt", dwInfoLevel   ; SERVICE_CONFIG
    , "Ptr", lpInfo   ; void* optional
    , "Int")   ; return: BOOL

●ChangeServiceConfig2W(hService, dwInfoLevel, lpInfo) = DLL("ADVAPI32.dll", "bool ChangeServiceConfig2W(void*, dword, void*)")
# 呼び出し: ChangeServiceConfig2W(hService, dwInfoLevel, lpInfo)
# hService : SC_HANDLE -> "void*"
# dwInfoLevel : SERVICE_CONFIG -> "dword"
# lpInfo : void* optional -> "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)。
# ※-W(Unicode)関数。なでしこ1はANSIのため -A 版の利用を推奨。