CopyFileFromAppW

// api-ms-win-core-file-fromapp-l1-1-0.dll
#include <windows.h>

BOOL CopyFileFromAppW(
    LPCWSTR lpExistingFileName,
    LPCWSTR lpNewFileName,
    BOOL bFailIfExists
);

<DllImport("api-ms-win-core-file-fromapp-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function CopyFileFromAppW(
    <MarshalAs(UnmanagedType.LPWStr)> lpExistingFileName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> lpNewFileName As String,   ' LPCWSTR
    bFailIfExists As Boolean   ' BOOL
) As Boolean
End Function

' lpExistingFileName : LPCWSTR
' lpNewFileName : LPCWSTR
' bFailIfExists : BOOL
Declare PtrSafe Function CopyFileFromAppW Lib "api-ms-win-core-file-fromapp-l1-1-0" ( _
    ByVal lpExistingFileName As LongPtr, _
    ByVal lpNewFileName As LongPtr, _
    ByVal bFailIfExists 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

CopyFileFromAppW = ctypes.windll.LoadLibrary("api-ms-win-core-file-fromapp-l1-1-0.dll").CopyFileFromAppW
CopyFileFromAppW.restype = wintypes.BOOL
CopyFileFromAppW.argtypes = [
    wintypes.LPCWSTR,  # lpExistingFileName : LPCWSTR
    wintypes.LPCWSTR,  # lpNewFileName : LPCWSTR
    wintypes.BOOL,  # bFailIfExists : BOOL
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-file-fromapp-l1-1-0.dll')
CopyFileFromAppW = Fiddle::Function.new(
  lib['CopyFileFromAppW'],
  [
    Fiddle::TYPE_VOIDP,  # lpExistingFileName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpNewFileName : LPCWSTR
    Fiddle::TYPE_INT,  # bFailIfExists : BOOL
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-file-fromapp-l1-1-0")]
extern "system" {
    fn CopyFileFromAppW(
        lpExistingFileName: *const u16,  // LPCWSTR
        lpNewFileName: *const u16,  // LPCWSTR
        bFailIfExists: i32  // BOOL
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("api-ms-win-core-file-fromapp-l1-1-0.dll")]
public static extern bool CopyFileFromAppW([MarshalAs(UnmanagedType.LPWStr)] string lpExistingFileName, [MarshalAs(UnmanagedType.LPWStr)] string lpNewFileName, bool bFailIfExists);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-file-fromapp-l1-1-0_CopyFileFromAppW' -Namespace Win32 -PassThru
# $api::CopyFileFromAppW(lpExistingFileName, lpNewFileName, bFailIfExists)

#uselib "api-ms-win-core-file-fromapp-l1-1-0.dll"
#func global CopyFileFromAppW "CopyFileFromAppW" sptr, sptr, sptr
; CopyFileFromAppW lpExistingFileName, lpNewFileName, bFailIfExists   ; 戻り値は stat
; lpExistingFileName : LPCWSTR -> "sptr"
; lpNewFileName : LPCWSTR -> "sptr"
; bFailIfExists : BOOL -> "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 "api-ms-win-core-file-fromapp-l1-1-0.dll"
#cfunc global CopyFileFromAppW "CopyFileFromAppW" wstr, wstr, int
; res = CopyFileFromAppW(lpExistingFileName, lpNewFileName, bFailIfExists)
; lpExistingFileName : LPCWSTR -> "wstr"
; lpNewFileName : LPCWSTR -> "wstr"
; bFailIfExists : BOOL -> "int"

; BOOL CopyFileFromAppW(LPCWSTR lpExistingFileName, LPCWSTR lpNewFileName, BOOL bFailIfExists)
#uselib "api-ms-win-core-file-fromapp-l1-1-0.dll"
#cfunc global CopyFileFromAppW "CopyFileFromAppW" wstr, wstr, int
; res = CopyFileFromAppW(lpExistingFileName, lpNewFileName, bFailIfExists)
; lpExistingFileName : LPCWSTR -> "wstr"
; lpNewFileName : LPCWSTR -> "wstr"
; bFailIfExists : BOOL -> "int"

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

var (
	api_ms_win_core_file_fromapp_l1_1_0 = windows.NewLazySystemDLL("api-ms-win-core-file-fromapp-l1-1-0.dll")
	procCopyFileFromAppW = api_ms_win_core_file_fromapp_l1_1_0.NewProc("CopyFileFromAppW")
)

// lpExistingFileName (LPCWSTR), lpNewFileName (LPCWSTR), bFailIfExists (BOOL)
r1, _, err := procCopyFileFromAppW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpExistingFileName))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpNewFileName))),
	uintptr(bFailIfExists),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CopyFileFromAppW(
  lpExistingFileName: PWideChar;   // LPCWSTR
  lpNewFileName: PWideChar;   // LPCWSTR
  bFailIfExists: BOOL   // BOOL
): BOOL; stdcall;
  external 'api-ms-win-core-file-fromapp-l1-1-0.dll' name 'CopyFileFromAppW';

result := DllCall("api-ms-win-core-file-fromapp-l1-1-0\CopyFileFromAppW"
    , "WStr", lpExistingFileName   ; LPCWSTR
    , "WStr", lpNewFileName   ; LPCWSTR
    , "Int", bFailIfExists   ; BOOL
    , "Int")   ; return: BOOL

●CopyFileFromAppW(lpExistingFileName, lpNewFileName, bFailIfExists) = DLL("api-ms-win-core-file-fromapp-l1-1-0.dll", "bool CopyFileFromAppW(char*, char*, bool)")
# 呼び出し: CopyFileFromAppW(lpExistingFileName, lpNewFileName, bFailIfExists)
# lpExistingFileName : LPCWSTR -> "char*"
# lpNewFileName : LPCWSTR -> "char*"
# bFailIfExists : 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)。