WofFileEnumFiles

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

HRESULT WofFileEnumFiles(
    LPCWSTR VolumeName,
    DWORD Algorithm,
    WofEnumFilesProc EnumProc,
    void* UserData   // optional
);

<DllImport("WOFUTIL.dll", ExactSpelling:=True)>
Public Shared Function WofFileEnumFiles(
    <MarshalAs(UnmanagedType.LPWStr)> VolumeName As String,   ' LPCWSTR
    Algorithm As UInteger,   ' DWORD
    EnumProc As IntPtr,   ' WofEnumFilesProc
    UserData As IntPtr   ' void* optional
) As Integer
End Function

' VolumeName : LPCWSTR
' Algorithm : DWORD
' EnumProc : WofEnumFilesProc
' UserData : void* optional
Declare PtrSafe Function WofFileEnumFiles Lib "wofutil" ( _
    ByVal VolumeName As LongPtr, _
    ByVal Algorithm As Long, _
    ByVal EnumProc As LongPtr, _
    ByVal UserData As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

WofFileEnumFiles = ctypes.windll.wofutil.WofFileEnumFiles
WofFileEnumFiles.restype = ctypes.c_int
WofFileEnumFiles.argtypes = [
    wintypes.LPCWSTR,  # VolumeName : LPCWSTR
    wintypes.DWORD,  # Algorithm : DWORD
    ctypes.c_void_p,  # EnumProc : WofEnumFilesProc
    ctypes.POINTER(None),  # UserData : void* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WOFUTIL.dll')
WofFileEnumFiles = Fiddle::Function.new(
  lib['WofFileEnumFiles'],
  [
    Fiddle::TYPE_VOIDP,  # VolumeName : LPCWSTR
    -Fiddle::TYPE_INT,  # Algorithm : DWORD
    Fiddle::TYPE_VOIDP,  # EnumProc : WofEnumFilesProc
    Fiddle::TYPE_VOIDP,  # UserData : void* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "wofutil")]
extern "system" {
    fn WofFileEnumFiles(
        VolumeName: *const u16,  // LPCWSTR
        Algorithm: u32,  // DWORD
        EnumProc: *const core::ffi::c_void,  // WofEnumFilesProc
        UserData: *mut ()  // void* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WOFUTIL.dll")]
public static extern int WofFileEnumFiles([MarshalAs(UnmanagedType.LPWStr)] string VolumeName, uint Algorithm, IntPtr EnumProc, IntPtr UserData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WOFUTIL_WofFileEnumFiles' -Namespace Win32 -PassThru
# $api::WofFileEnumFiles(VolumeName, Algorithm, EnumProc, UserData)

#uselib "WOFUTIL.dll"
#func global WofFileEnumFiles "WofFileEnumFiles" sptr, sptr, sptr, sptr
; WofFileEnumFiles VolumeName, Algorithm, EnumProc, UserData   ; 戻り値は stat
; VolumeName : LPCWSTR -> "sptr"
; Algorithm : DWORD -> "sptr"
; EnumProc : WofEnumFilesProc -> "sptr"
; UserData : void* optional -> "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 "WOFUTIL.dll"
#cfunc global WofFileEnumFiles "WofFileEnumFiles" wstr, int, sptr, sptr
; res = WofFileEnumFiles(VolumeName, Algorithm, EnumProc, UserData)
; VolumeName : LPCWSTR -> "wstr"
; Algorithm : DWORD -> "int"
; EnumProc : WofEnumFilesProc -> "sptr"
; UserData : void* optional -> "sptr"

; HRESULT WofFileEnumFiles(LPCWSTR VolumeName, DWORD Algorithm, WofEnumFilesProc EnumProc, void* UserData)
#uselib "WOFUTIL.dll"
#cfunc global WofFileEnumFiles "WofFileEnumFiles" wstr, int, intptr, intptr
; res = WofFileEnumFiles(VolumeName, Algorithm, EnumProc, UserData)
; VolumeName : LPCWSTR -> "wstr"
; Algorithm : DWORD -> "int"
; EnumProc : WofEnumFilesProc -> "intptr"
; UserData : void* optional -> "intptr"

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

var (
	wofutil = windows.NewLazySystemDLL("WOFUTIL.dll")
	procWofFileEnumFiles = wofutil.NewProc("WofFileEnumFiles")
)

// VolumeName (LPCWSTR), Algorithm (DWORD), EnumProc (WofEnumFilesProc), UserData (void* optional)
r1, _, err := procWofFileEnumFiles.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(VolumeName))),
	uintptr(Algorithm),
	uintptr(EnumProc),
	uintptr(UserData),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WofFileEnumFiles(
  VolumeName: PWideChar;   // LPCWSTR
  Algorithm: DWORD;   // DWORD
  EnumProc: Pointer;   // WofEnumFilesProc
  UserData: Pointer   // void* optional
): Integer; stdcall;
  external 'WOFUTIL.dll' name 'WofFileEnumFiles';

result := DllCall("WOFUTIL\WofFileEnumFiles"
    , "WStr", VolumeName   ; LPCWSTR
    , "UInt", Algorithm   ; DWORD
    , "Ptr", EnumProc   ; WofEnumFilesProc
    , "Ptr", UserData   ; void* optional
    , "Int")   ; return: HRESULT

●WofFileEnumFiles(VolumeName, Algorithm, EnumProc, UserData) = DLL("WOFUTIL.dll", "int WofFileEnumFiles(char*, dword, void*, void*)")
# 呼び出し: WofFileEnumFiles(VolumeName, Algorithm, EnumProc, UserData)
# VolumeName : LPCWSTR -> "char*"
# Algorithm : DWORD -> "dword"
# EnumProc : WofEnumFilesProc -> "void*"
# UserData : void* optional -> "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)。