LogEventW

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

void LogEventW(
    DWORD wEventType,
    DWORD dwMessageId,
    DWORD cNumberOfSubStrings,
    LPWSTR* plpwsSubStrings
);

<DllImport("rtutils.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Sub LogEventW(
    wEventType As UInteger,   ' DWORD
    dwMessageId As UInteger,   ' DWORD
    cNumberOfSubStrings As UInteger,   ' DWORD
    plpwsSubStrings As IntPtr   ' LPWSTR*
)
End Sub

' wEventType : DWORD
' dwMessageId : DWORD
' cNumberOfSubStrings : DWORD
' plpwsSubStrings : LPWSTR*
Declare PtrSafe Sub LogEventW Lib "rtutils" ( _
    ByVal wEventType As Long, _
    ByVal dwMessageId As Long, _
    ByVal cNumberOfSubStrings As Long, _
    ByVal plpwsSubStrings As LongPtr)
' 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

LogEventW = ctypes.windll.rtutils.LogEventW
LogEventW.restype = None
LogEventW.argtypes = [
    wintypes.DWORD,  # wEventType : DWORD
    wintypes.DWORD,  # dwMessageId : DWORD
    wintypes.DWORD,  # cNumberOfSubStrings : DWORD
    ctypes.c_void_p,  # plpwsSubStrings : LPWSTR*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('rtutils.dll')
LogEventW = Fiddle::Function.new(
  lib['LogEventW'],
  [
    -Fiddle::TYPE_INT,  # wEventType : DWORD
    -Fiddle::TYPE_INT,  # dwMessageId : DWORD
    -Fiddle::TYPE_INT,  # cNumberOfSubStrings : DWORD
    Fiddle::TYPE_VOIDP,  # plpwsSubStrings : LPWSTR*
  ],
  Fiddle::TYPE_VOID)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "rtutils")]
extern "system" {
    fn LogEventW(
        wEventType: u32,  // DWORD
        dwMessageId: u32,  // DWORD
        cNumberOfSubStrings: u32,  // DWORD
        plpwsSubStrings: *mut *mut u16  // LPWSTR*
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("rtutils.dll", CharSet = CharSet.Unicode)]
public static extern void LogEventW(uint wEventType, uint dwMessageId, uint cNumberOfSubStrings, IntPtr plpwsSubStrings);
"@
$api = Add-Type -MemberDefinition $sig -Name 'rtutils_LogEventW' -Namespace Win32 -PassThru
# $api::LogEventW(wEventType, dwMessageId, cNumberOfSubStrings, plpwsSubStrings)

#uselib "rtutils.dll"
#func global LogEventW "LogEventW" wptr, wptr, wptr, wptr
; LogEventW wEventType, dwMessageId, cNumberOfSubStrings, varptr(plpwsSubStrings)
; wEventType : DWORD -> "wptr"
; dwMessageId : DWORD -> "wptr"
; cNumberOfSubStrings : DWORD -> "wptr"
; plpwsSubStrings : LPWSTR* -> "wptr"

#uselib "rtutils.dll"
#func global LogEventW "LogEventW" int, int, int, var
; LogEventW wEventType, dwMessageId, cNumberOfSubStrings, plpwsSubStrings
; wEventType : DWORD -> "int"
; dwMessageId : DWORD -> "int"
; cNumberOfSubStrings : DWORD -> "int"
; plpwsSubStrings : LPWSTR* -> "var"
; ※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。

; void LogEventW(DWORD wEventType, DWORD dwMessageId, DWORD cNumberOfSubStrings, LPWSTR* plpwsSubStrings)
#uselib "rtutils.dll"
#func global LogEventW "LogEventW" int, int, int, var
; LogEventW wEventType, dwMessageId, cNumberOfSubStrings, plpwsSubStrings
; wEventType : DWORD -> "int"
; dwMessageId : DWORD -> "int"
; cNumberOfSubStrings : DWORD -> "int"
; plpwsSubStrings : LPWSTR* -> "var"
; ※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 (
	rtutils = windows.NewLazySystemDLL("rtutils.dll")
	procLogEventW = rtutils.NewProc("LogEventW")
)

// wEventType (DWORD), dwMessageId (DWORD), cNumberOfSubStrings (DWORD), plpwsSubStrings (LPWSTR*)
r1, _, err := procLogEventW.Call(
	uintptr(wEventType),
	uintptr(dwMessageId),
	uintptr(cNumberOfSubStrings),
	uintptr(plpwsSubStrings),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure LogEventW(
  wEventType: DWORD;   // DWORD
  dwMessageId: DWORD;   // DWORD
  cNumberOfSubStrings: DWORD;   // DWORD
  plpwsSubStrings: PPWideChar   // LPWSTR*
); stdcall;
  external 'rtutils.dll' name 'LogEventW';

result := DllCall("rtutils\LogEventW"
    , "UInt", wEventType   ; DWORD
    , "UInt", dwMessageId   ; DWORD
    , "UInt", cNumberOfSubStrings   ; DWORD
    , "Ptr", plpwsSubStrings   ; LPWSTR*
    , "Int")   ; return: void

●LogEventW(wEventType, dwMessageId, cNumberOfSubStrings, plpwsSubStrings) = DLL("rtutils.dll", "int LogEventW(dword, dword, dword, void*)")
# 呼び出し: LogEventW(wEventType, dwMessageId, cNumberOfSubStrings, plpwsSubStrings)
# wEventType : DWORD -> "dword"
# dwMessageId : DWORD -> "dword"
# cNumberOfSubStrings : DWORD -> "dword"
# plpwsSubStrings : LPWSTR* -> "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。