BeginUpdateResourceW

// KERNEL32.dll  (Unicode / -W)
#include <windows.h>

HANDLE BeginUpdateResourceW(
    LPCWSTR pFileName,
    BOOL bDeleteExistingResources
);

<DllImport("KERNEL32.dll", CharSet:=CharSet.Unicode, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function BeginUpdateResourceW(
    <MarshalAs(UnmanagedType.LPWStr)> pFileName As String,   ' LPCWSTR
    bDeleteExistingResources As Boolean   ' BOOL
) As IntPtr
End Function

' pFileName : LPCWSTR
' bDeleteExistingResources : BOOL
Declare PtrSafe Function BeginUpdateResourceW Lib "kernel32" ( _
    ByVal pFileName As LongPtr, _
    ByVal bDeleteExistingResources As Long) 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

BeginUpdateResourceW = ctypes.windll.kernel32.BeginUpdateResourceW
BeginUpdateResourceW.restype = ctypes.c_void_p
BeginUpdateResourceW.argtypes = [
    wintypes.LPCWSTR,  # pFileName : LPCWSTR
    wintypes.BOOL,  # bDeleteExistingResources : BOOL
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
BeginUpdateResourceW = Fiddle::Function.new(
  lib['BeginUpdateResourceW'],
  [
    Fiddle::TYPE_VOIDP,  # pFileName : LPCWSTR
    Fiddle::TYPE_INT,  # bDeleteExistingResources : BOOL
  ],
  Fiddle::TYPE_VOIDP)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "kernel32")]
extern "system" {
    fn BeginUpdateResourceW(
        pFileName: *const u16,  // LPCWSTR
        bDeleteExistingResources: i32  // BOOL
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern IntPtr BeginUpdateResourceW([MarshalAs(UnmanagedType.LPWStr)] string pFileName, bool bDeleteExistingResources);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_BeginUpdateResourceW' -Namespace Win32 -PassThru
# $api::BeginUpdateResourceW(pFileName, bDeleteExistingResources)

#uselib "KERNEL32.dll"
#func global BeginUpdateResourceW "BeginUpdateResourceW" wptr, wptr
; BeginUpdateResourceW pFileName, bDeleteExistingResources   ; 戻り値は stat
; pFileName : LPCWSTR -> "wptr"
; bDeleteExistingResources : BOOL -> "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 "KERNEL32.dll"
#cfunc global BeginUpdateResourceW "BeginUpdateResourceW" wstr, int
; res = BeginUpdateResourceW(pFileName, bDeleteExistingResources)
; pFileName : LPCWSTR -> "wstr"
; bDeleteExistingResources : BOOL -> "int"

; HANDLE BeginUpdateResourceW(LPCWSTR pFileName, BOOL bDeleteExistingResources)
#uselib "KERNEL32.dll"
#cfunc global BeginUpdateResourceW "BeginUpdateResourceW" wstr, int
; res = BeginUpdateResourceW(pFileName, bDeleteExistingResources)
; pFileName : LPCWSTR -> "wstr"
; bDeleteExistingResources : BOOL -> "int"

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

var (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procBeginUpdateResourceW = kernel32.NewProc("BeginUpdateResourceW")
)

// pFileName (LPCWSTR), bDeleteExistingResources (BOOL)
r1, _, err := procBeginUpdateResourceW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pFileName))),
	uintptr(bDeleteExistingResources),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HANDLE

function BeginUpdateResourceW(
  pFileName: PWideChar;   // LPCWSTR
  bDeleteExistingResources: BOOL   // BOOL
): THandle; stdcall;
  external 'KERNEL32.dll' name 'BeginUpdateResourceW';

result := DllCall("KERNEL32\BeginUpdateResourceW"
    , "WStr", pFileName   ; LPCWSTR
    , "Int", bDeleteExistingResources   ; BOOL
    , "Ptr")   ; return: HANDLE

●BeginUpdateResourceW(pFileName, bDeleteExistingResources) = DLL("KERNEL32.dll", "void* BeginUpdateResourceW(char*, bool)")
# 呼び出し: BeginUpdateResourceW(pFileName, bDeleteExistingResources)
# pFileName : LPCWSTR -> "char*"
# bDeleteExistingResources : BOOL -> "bool"
# 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。