EvtClearLog

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

BOOL EvtClearLog(
    EVT_HANDLE Session,   // optional
    LPCWSTR ChannelPath,
    LPCWSTR TargetFilePath,   // optional
    DWORD Flags
);

<DllImport("wevtapi.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function EvtClearLog(
    Session As IntPtr,   ' EVT_HANDLE optional
    <MarshalAs(UnmanagedType.LPWStr)> ChannelPath As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> TargetFilePath As String,   ' LPCWSTR optional
    Flags As UInteger   ' DWORD
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' Session : EVT_HANDLE optional
' ChannelPath : LPCWSTR
' TargetFilePath : LPCWSTR optional
' Flags : DWORD
Declare PtrSafe Function EvtClearLog Lib "wevtapi" ( _
    ByVal Session As LongPtr, _
    ByVal ChannelPath As LongPtr, _
    ByVal TargetFilePath As LongPtr, _
    ByVal Flags 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

EvtClearLog = ctypes.windll.wevtapi.EvtClearLog
EvtClearLog.restype = wintypes.BOOL
EvtClearLog.argtypes = [
    ctypes.c_ssize_t,  # Session : EVT_HANDLE optional
    wintypes.LPCWSTR,  # ChannelPath : LPCWSTR
    wintypes.LPCWSTR,  # TargetFilePath : LPCWSTR optional
    wintypes.DWORD,  # Flags : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('wevtapi.dll')
EvtClearLog = Fiddle::Function.new(
  lib['EvtClearLog'],
  [
    Fiddle::TYPE_INTPTR_T,  # Session : EVT_HANDLE optional
    Fiddle::TYPE_VOIDP,  # ChannelPath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # TargetFilePath : LPCWSTR optional
    -Fiddle::TYPE_INT,  # Flags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "wevtapi")]
extern "system" {
    fn EvtClearLog(
        Session: isize,  // EVT_HANDLE optional
        ChannelPath: *const u16,  // LPCWSTR
        TargetFilePath: *const u16,  // LPCWSTR optional
        Flags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("wevtapi.dll", SetLastError = true)]
public static extern bool EvtClearLog(IntPtr Session, [MarshalAs(UnmanagedType.LPWStr)] string ChannelPath, [MarshalAs(UnmanagedType.LPWStr)] string TargetFilePath, uint Flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'wevtapi_EvtClearLog' -Namespace Win32 -PassThru
# $api::EvtClearLog(Session, ChannelPath, TargetFilePath, Flags)

#uselib "wevtapi.dll"
#func global EvtClearLog "EvtClearLog" sptr, sptr, sptr, sptr
; EvtClearLog Session, ChannelPath, TargetFilePath, Flags   ; 戻り値は stat
; Session : EVT_HANDLE optional -> "sptr"
; ChannelPath : LPCWSTR -> "sptr"
; TargetFilePath : LPCWSTR optional -> "sptr"
; Flags : 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 "wevtapi.dll"
#cfunc global EvtClearLog "EvtClearLog" sptr, wstr, wstr, int
; res = EvtClearLog(Session, ChannelPath, TargetFilePath, Flags)
; Session : EVT_HANDLE optional -> "sptr"
; ChannelPath : LPCWSTR -> "wstr"
; TargetFilePath : LPCWSTR optional -> "wstr"
; Flags : DWORD -> "int"

; BOOL EvtClearLog(EVT_HANDLE Session, LPCWSTR ChannelPath, LPCWSTR TargetFilePath, DWORD Flags)
#uselib "wevtapi.dll"
#cfunc global EvtClearLog "EvtClearLog" intptr, wstr, wstr, int
; res = EvtClearLog(Session, ChannelPath, TargetFilePath, Flags)
; Session : EVT_HANDLE optional -> "intptr"
; ChannelPath : LPCWSTR -> "wstr"
; TargetFilePath : LPCWSTR optional -> "wstr"
; Flags : DWORD -> "int"

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

var (
	wevtapi = windows.NewLazySystemDLL("wevtapi.dll")
	procEvtClearLog = wevtapi.NewProc("EvtClearLog")
)

// Session (EVT_HANDLE optional), ChannelPath (LPCWSTR), TargetFilePath (LPCWSTR optional), Flags (DWORD)
r1, _, err := procEvtClearLog.Call(
	uintptr(Session),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(ChannelPath))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(TargetFilePath))),
	uintptr(Flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function EvtClearLog(
  Session: NativeInt;   // EVT_HANDLE optional
  ChannelPath: PWideChar;   // LPCWSTR
  TargetFilePath: PWideChar;   // LPCWSTR optional
  Flags: DWORD   // DWORD
): BOOL; stdcall;
  external 'wevtapi.dll' name 'EvtClearLog';

result := DllCall("wevtapi\EvtClearLog"
    , "Ptr", Session   ; EVT_HANDLE optional
    , "WStr", ChannelPath   ; LPCWSTR
    , "WStr", TargetFilePath   ; LPCWSTR optional
    , "UInt", Flags   ; DWORD
    , "Int")   ; return: BOOL

●EvtClearLog(Session, ChannelPath, TargetFilePath, Flags) = DLL("wevtapi.dll", "bool EvtClearLog(int, char*, char*, dword)")
# 呼び出し: EvtClearLog(Session, ChannelPath, TargetFilePath, Flags)
# Session : EVT_HANDLE optional -> "int"
# ChannelPath : LPCWSTR -> "char*"
# TargetFilePath : LPCWSTR optional -> "char*"
# Flags : 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 "wevtapi" fn EvtClearLog(
    Session: isize, // EVT_HANDLE optional
    ChannelPath: [*c]const u16, // LPCWSTR
    TargetFilePath: [*c]const u16, // LPCWSTR optional
    Flags: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc EvtClearLog(
    Session: int,  # EVT_HANDLE optional
    ChannelPath: WideCString,  # LPCWSTR
    TargetFilePath: WideCString,  # LPCWSTR optional
    Flags: uint32  # DWORD
): int32 {.importc: "EvtClearLog", stdcall, dynlib: "wevtapi.dll".}

pragma(lib, "wevtapi");
extern(Windows)
int EvtClearLog(
    ptrdiff_t Session,   // EVT_HANDLE optional
    const(wchar)* ChannelPath,   // LPCWSTR
    const(wchar)* TargetFilePath,   // LPCWSTR optional
    uint Flags   // DWORD
);

ccall((:EvtClearLog, "wevtapi.dll"), stdcall, Int32,
      (Int, Cwstring, Cwstring, UInt32),
      Session, ChannelPath, TargetFilePath, Flags)
# Session : EVT_HANDLE optional -> Int
# ChannelPath : LPCWSTR -> Cwstring
# TargetFilePath : LPCWSTR optional -> Cwstring
# Flags : 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 EvtClearLog(
    intptr_t Session,
    const uint16_t* ChannelPath,
    const uint16_t* TargetFilePath,
    uint32_t Flags);
]]
local wevtapi = ffi.load("wevtapi")
-- wevtapi.EvtClearLog(Session, ChannelPath, TargetFilePath, Flags)
-- Session : EVT_HANDLE optional
-- ChannelPath : LPCWSTR
-- TargetFilePath : LPCWSTR optional
-- Flags : 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('wevtapi.dll');
const EvtClearLog = lib.func('__stdcall', 'EvtClearLog', 'int32_t', ['intptr_t', 'str16', 'str16', 'uint32_t']);
// EvtClearLog(Session, ChannelPath, TargetFilePath, Flags)
// Session : EVT_HANDLE optional -> 'intptr_t'
// ChannelPath : LPCWSTR -> 'str16'
// TargetFilePath : LPCWSTR optional -> 'str16'
// Flags : 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("wevtapi.dll", {
  EvtClearLog: { parameters: ["isize", "buffer", "buffer", "u32"], result: "i32" },
});
// lib.symbols.EvtClearLog(Session, ChannelPath, TargetFilePath, Flags)
// Session : EVT_HANDLE optional -> "isize"
// ChannelPath : LPCWSTR -> "buffer"
// TargetFilePath : LPCWSTR optional -> "buffer"
// Flags : 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 EvtClearLog(
    intptr_t Session,
    const uint16_t* ChannelPath,
    const uint16_t* TargetFilePath,
    uint32_t Flags);
C, "wevtapi.dll");
// $ffi->EvtClearLog(Session, ChannelPath, TargetFilePath, Flags);
// Session : EVT_HANDLE optional
// ChannelPath : LPCWSTR
// TargetFilePath : LPCWSTR optional
// Flags : 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 Wevtapi extends StdCallLibrary {
    Wevtapi INSTANCE = Native.load("wevtapi", Wevtapi.class);
    boolean EvtClearLog(
        long Session,   // EVT_HANDLE optional
        WString ChannelPath,   // LPCWSTR
        WString TargetFilePath,   // LPCWSTR optional
        int Flags   // DWORD
    );
}

@[Link("wevtapi")]
lib Libwevtapi
  fun EvtClearLog = EvtClearLog(
    Session : LibC::SSizeT,   # EVT_HANDLE optional
    ChannelPath : UInt16*,   # LPCWSTR
    TargetFilePath : UInt16*,   # LPCWSTR optional
    Flags : 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 EvtClearLogNative = Int32 Function(IntPtr, Pointer<Utf16>, Pointer<Utf16>, Uint32);
typedef EvtClearLogDart = int Function(int, Pointer<Utf16>, Pointer<Utf16>, int);
final EvtClearLog = DynamicLibrary.open('wevtapi.dll')
    .lookupFunction<EvtClearLogNative, EvtClearLogDart>('EvtClearLog');
// Session : EVT_HANDLE optional -> IntPtr
// ChannelPath : LPCWSTR -> Pointer<Utf16>
// TargetFilePath : LPCWSTR optional -> Pointer<Utf16>
// Flags : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function EvtClearLog(
  Session: NativeInt;   // EVT_HANDLE optional
  ChannelPath: PWideChar;   // LPCWSTR
  TargetFilePath: PWideChar;   // LPCWSTR optional
  Flags: DWORD   // DWORD
): BOOL; stdcall;
  external 'wevtapi.dll' name 'EvtClearLog';

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

foreign import stdcall safe "EvtClearLog"
  c_EvtClearLog :: CIntPtr -> CWString -> CWString -> Word32 -> IO CInt
-- Session : EVT_HANDLE optional -> CIntPtr
-- ChannelPath : LPCWSTR -> CWString
-- TargetFilePath : LPCWSTR optional -> CWString
-- Flags : 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 evtclearlog =
  foreign "EvtClearLog"
    (intptr_t @-> (ptr uint16_t) @-> (ptr uint16_t) @-> uint32_t @-> returning int32_t)
(* Session : EVT_HANDLE optional -> intptr_t *)
(* ChannelPath : LPCWSTR -> (ptr uint16_t) *)
(* TargetFilePath : LPCWSTR optional -> (ptr uint16_t) *)
(* Flags : 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 wevtapi (t "wevtapi.dll"))
(cffi:use-foreign-library wevtapi)

(cffi:defcfun ("EvtClearLog" evt-clear-log :convention :stdcall) :int32
  (session :int64)   ; EVT_HANDLE optional
  (channel-path (:string :encoding :utf-16le))   ; LPCWSTR
  (target-file-path (:string :encoding :utf-16le))   ; LPCWSTR optional
  (flags :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $EvtClearLog = Win32::API::More->new('wevtapi',
    'BOOL EvtClearLog(LPARAM Session, LPCWSTR ChannelPath, LPCWSTR TargetFilePath, DWORD Flags)');
# my $ret = $EvtClearLog->Call($Session, $ChannelPath, $TargetFilePath, $Flags);
# Session : EVT_HANDLE optional -> LPARAM
# ChannelPath : LPCWSTR -> LPCWSTR
# TargetFilePath : LPCWSTR optional -> LPCWSTR
# Flags : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。