ProtectFileToEnterpriseIdentity

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

HRESULT ProtectFileToEnterpriseIdentity(
    LPCWSTR fileOrFolderPath,
    LPCWSTR identity
);

<DllImport("efswrt.dll", ExactSpelling:=True)>
Public Shared Function ProtectFileToEnterpriseIdentity(
    <MarshalAs(UnmanagedType.LPWStr)> fileOrFolderPath As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> identity As String   ' LPCWSTR
) As Integer
End Function

' fileOrFolderPath : LPCWSTR
' identity : LPCWSTR
Declare PtrSafe Function ProtectFileToEnterpriseIdentity Lib "efswrt" ( _
    ByVal fileOrFolderPath As LongPtr, _
    ByVal identity 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

ProtectFileToEnterpriseIdentity = ctypes.windll.efswrt.ProtectFileToEnterpriseIdentity
ProtectFileToEnterpriseIdentity.restype = ctypes.c_int
ProtectFileToEnterpriseIdentity.argtypes = [
    wintypes.LPCWSTR,  # fileOrFolderPath : LPCWSTR
    wintypes.LPCWSTR,  # identity : LPCWSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('efswrt.dll')
ProtectFileToEnterpriseIdentity = Fiddle::Function.new(
  lib['ProtectFileToEnterpriseIdentity'],
  [
    Fiddle::TYPE_VOIDP,  # fileOrFolderPath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # identity : LPCWSTR
  ],
  Fiddle::TYPE_INT)

#[link(name = "efswrt")]
extern "system" {
    fn ProtectFileToEnterpriseIdentity(
        fileOrFolderPath: *const u16,  // LPCWSTR
        identity: *const u16  // LPCWSTR
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("efswrt.dll")]
public static extern int ProtectFileToEnterpriseIdentity([MarshalAs(UnmanagedType.LPWStr)] string fileOrFolderPath, [MarshalAs(UnmanagedType.LPWStr)] string identity);
"@
$api = Add-Type -MemberDefinition $sig -Name 'efswrt_ProtectFileToEnterpriseIdentity' -Namespace Win32 -PassThru
# $api::ProtectFileToEnterpriseIdentity(fileOrFolderPath, identity)

#uselib "efswrt.dll"
#func global ProtectFileToEnterpriseIdentity "ProtectFileToEnterpriseIdentity" sptr, sptr
; ProtectFileToEnterpriseIdentity fileOrFolderPath, identity   ; 戻り値は stat
; fileOrFolderPath : LPCWSTR -> "sptr"
; identity : LPCWSTR -> "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 "efswrt.dll"
#cfunc global ProtectFileToEnterpriseIdentity "ProtectFileToEnterpriseIdentity" wstr, wstr
; res = ProtectFileToEnterpriseIdentity(fileOrFolderPath, identity)
; fileOrFolderPath : LPCWSTR -> "wstr"
; identity : LPCWSTR -> "wstr"

; HRESULT ProtectFileToEnterpriseIdentity(LPCWSTR fileOrFolderPath, LPCWSTR identity)
#uselib "efswrt.dll"
#cfunc global ProtectFileToEnterpriseIdentity "ProtectFileToEnterpriseIdentity" wstr, wstr
; res = ProtectFileToEnterpriseIdentity(fileOrFolderPath, identity)
; fileOrFolderPath : LPCWSTR -> "wstr"
; identity : LPCWSTR -> "wstr"

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

var (
	efswrt = windows.NewLazySystemDLL("efswrt.dll")
	procProtectFileToEnterpriseIdentity = efswrt.NewProc("ProtectFileToEnterpriseIdentity")
)

// fileOrFolderPath (LPCWSTR), identity (LPCWSTR)
r1, _, err := procProtectFileToEnterpriseIdentity.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(fileOrFolderPath))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(identity))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function ProtectFileToEnterpriseIdentity(
  fileOrFolderPath: PWideChar;   // LPCWSTR
  identity: PWideChar   // LPCWSTR
): Integer; stdcall;
  external 'efswrt.dll' name 'ProtectFileToEnterpriseIdentity';

result := DllCall("efswrt\ProtectFileToEnterpriseIdentity"
    , "WStr", fileOrFolderPath   ; LPCWSTR
    , "WStr", identity   ; LPCWSTR
    , "Int")   ; return: HRESULT

●ProtectFileToEnterpriseIdentity(fileOrFolderPath, identity) = DLL("efswrt.dll", "int ProtectFileToEnterpriseIdentity(char*, char*)")
# 呼び出し: ProtectFileToEnterpriseIdentity(fileOrFolderPath, identity)
# fileOrFolderPath : LPCWSTR -> "char*"
# identity : LPCWSTR -> "char*"
# 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)。