UpdatePerfNameFilesW

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

DWORD UpdatePerfNameFilesW(
    LPCWSTR szNewCtrFilePath,
    LPCWSTR szNewHlpFilePath,   // optional
    LPWSTR szLanguageID,
    UINT_PTR dwModes
);

<DllImport("loadperf.dll", CharSet:=CharSet.Unicode, ExactSpelling:=True)>
Public Shared Function UpdatePerfNameFilesW(
    <MarshalAs(UnmanagedType.LPWStr)> szNewCtrFilePath As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> szNewHlpFilePath As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> szLanguageID As String,   ' LPWSTR
    dwModes As UIntPtr   ' UINT_PTR
) As UInteger
End Function

' szNewCtrFilePath : LPCWSTR
' szNewHlpFilePath : LPCWSTR optional
' szLanguageID : LPWSTR
' dwModes : UINT_PTR
Declare PtrSafe Function UpdatePerfNameFilesW Lib "loadperf" ( _
    ByVal szNewCtrFilePath As LongPtr, _
    ByVal szNewHlpFilePath As LongPtr, _
    ByVal szLanguageID As LongPtr, _
    ByVal dwModes 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

UpdatePerfNameFilesW = ctypes.windll.loadperf.UpdatePerfNameFilesW
UpdatePerfNameFilesW.restype = wintypes.DWORD
UpdatePerfNameFilesW.argtypes = [
    wintypes.LPCWSTR,  # szNewCtrFilePath : LPCWSTR
    wintypes.LPCWSTR,  # szNewHlpFilePath : LPCWSTR optional
    wintypes.LPCWSTR,  # szLanguageID : LPWSTR
    ctypes.c_size_t,  # dwModes : UINT_PTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('loadperf.dll')
UpdatePerfNameFilesW = Fiddle::Function.new(
  lib['UpdatePerfNameFilesW'],
  [
    Fiddle::TYPE_VOIDP,  # szNewCtrFilePath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # szNewHlpFilePath : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # szLanguageID : LPWSTR
    Fiddle::TYPE_UINTPTR_T,  # dwModes : UINT_PTR
  ],
  -Fiddle::TYPE_INT)
# Wide strings: pass str.encode("UTF-16LE") + "\x00\x00"

#[link(name = "loadperf")]
extern "system" {
    fn UpdatePerfNameFilesW(
        szNewCtrFilePath: *const u16,  // LPCWSTR
        szNewHlpFilePath: *const u16,  // LPCWSTR optional
        szLanguageID: *mut u16,  // LPWSTR
        dwModes: usize  // UINT_PTR
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("loadperf.dll", CharSet = CharSet.Unicode)]
public static extern uint UpdatePerfNameFilesW([MarshalAs(UnmanagedType.LPWStr)] string szNewCtrFilePath, [MarshalAs(UnmanagedType.LPWStr)] string szNewHlpFilePath, [MarshalAs(UnmanagedType.LPWStr)] string szLanguageID, UIntPtr dwModes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'loadperf_UpdatePerfNameFilesW' -Namespace Win32 -PassThru
# $api::UpdatePerfNameFilesW(szNewCtrFilePath, szNewHlpFilePath, szLanguageID, dwModes)

#uselib "loadperf.dll"
#func global UpdatePerfNameFilesW "UpdatePerfNameFilesW" wptr, wptr, wptr, wptr
; UpdatePerfNameFilesW szNewCtrFilePath, szNewHlpFilePath, szLanguageID, dwModes   ; 戻り値は stat
; szNewCtrFilePath : LPCWSTR -> "wptr"
; szNewHlpFilePath : LPCWSTR optional -> "wptr"
; szLanguageID : LPWSTR -> "wptr"
; dwModes : UINT_PTR -> "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 "loadperf.dll"
#cfunc global UpdatePerfNameFilesW "UpdatePerfNameFilesW" wstr, wstr, wstr, sptr
; res = UpdatePerfNameFilesW(szNewCtrFilePath, szNewHlpFilePath, szLanguageID, dwModes)
; szNewCtrFilePath : LPCWSTR -> "wstr"
; szNewHlpFilePath : LPCWSTR optional -> "wstr"
; szLanguageID : LPWSTR -> "wstr"
; dwModes : UINT_PTR -> "sptr"

; DWORD UpdatePerfNameFilesW(LPCWSTR szNewCtrFilePath, LPCWSTR szNewHlpFilePath, LPWSTR szLanguageID, UINT_PTR dwModes)
#uselib "loadperf.dll"
#cfunc global UpdatePerfNameFilesW "UpdatePerfNameFilesW" wstr, wstr, wstr, intptr
; res = UpdatePerfNameFilesW(szNewCtrFilePath, szNewHlpFilePath, szLanguageID, dwModes)
; szNewCtrFilePath : LPCWSTR -> "wstr"
; szNewHlpFilePath : LPCWSTR optional -> "wstr"
; szLanguageID : LPWSTR -> "wstr"
; dwModes : UINT_PTR -> "intptr"

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

var (
	loadperf = windows.NewLazySystemDLL("loadperf.dll")
	procUpdatePerfNameFilesW = loadperf.NewProc("UpdatePerfNameFilesW")
)

// szNewCtrFilePath (LPCWSTR), szNewHlpFilePath (LPCWSTR optional), szLanguageID (LPWSTR), dwModes (UINT_PTR)
r1, _, err := procUpdatePerfNameFilesW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(szNewCtrFilePath))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(szNewHlpFilePath))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(szLanguageID))),
	uintptr(dwModes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function UpdatePerfNameFilesW(
  szNewCtrFilePath: PWideChar;   // LPCWSTR
  szNewHlpFilePath: PWideChar;   // LPCWSTR optional
  szLanguageID: PWideChar;   // LPWSTR
  dwModes: NativeUInt   // UINT_PTR
): DWORD; stdcall;
  external 'loadperf.dll' name 'UpdatePerfNameFilesW';

result := DllCall("loadperf\UpdatePerfNameFilesW"
    , "WStr", szNewCtrFilePath   ; LPCWSTR
    , "WStr", szNewHlpFilePath   ; LPCWSTR optional
    , "WStr", szLanguageID   ; LPWSTR
    , "UPtr", dwModes   ; UINT_PTR
    , "UInt")   ; return: DWORD

●UpdatePerfNameFilesW(szNewCtrFilePath, szNewHlpFilePath, szLanguageID, dwModes) = DLL("loadperf.dll", "dword UpdatePerfNameFilesW(char*, char*, char*, int)")
# 呼び出し: UpdatePerfNameFilesW(szNewCtrFilePath, szNewHlpFilePath, szLanguageID, dwModes)
# szNewCtrFilePath : LPCWSTR -> "char*"
# szNewHlpFilePath : LPCWSTR optional -> "char*"
# szLanguageID : LPWSTR -> "char*"
# dwModes : UINT_PTR -> "int"
# 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。