CreateDirectoryFromAppW

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

BOOL CreateDirectoryFromAppW(
    LPCWSTR lpPathName,
    SECURITY_ATTRIBUTES* lpSecurityAttributes   // optional
);

<DllImport("api-ms-win-core-file-fromapp-l1-1-0.dll", ExactSpelling:=True)>
Public Shared Function CreateDirectoryFromAppW(
    <MarshalAs(UnmanagedType.LPWStr)> lpPathName As String,   ' LPCWSTR
    lpSecurityAttributes As IntPtr   ' SECURITY_ATTRIBUTES* optional
) As Boolean
End Function

' lpPathName : LPCWSTR
' lpSecurityAttributes : SECURITY_ATTRIBUTES* optional
Declare PtrSafe Function CreateDirectoryFromAppW Lib "api-ms-win-core-file-fromapp-l1-1-0" ( _
    ByVal lpPathName As LongPtr, _
    ByVal lpSecurityAttributes 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

CreateDirectoryFromAppW = ctypes.windll.LoadLibrary("api-ms-win-core-file-fromapp-l1-1-0.dll").CreateDirectoryFromAppW
CreateDirectoryFromAppW.restype = wintypes.BOOL
CreateDirectoryFromAppW.argtypes = [
    wintypes.LPCWSTR,  # lpPathName : LPCWSTR
    ctypes.c_void_p,  # lpSecurityAttributes : SECURITY_ATTRIBUTES* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-file-fromapp-l1-1-0.dll')
CreateDirectoryFromAppW = Fiddle::Function.new(
  lib['CreateDirectoryFromAppW'],
  [
    Fiddle::TYPE_VOIDP,  # lpPathName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # lpSecurityAttributes : SECURITY_ATTRIBUTES* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-file-fromapp-l1-1-0")]
extern "system" {
    fn CreateDirectoryFromAppW(
        lpPathName: *const u16,  // LPCWSTR
        lpSecurityAttributes: *mut SECURITY_ATTRIBUTES  // SECURITY_ATTRIBUTES* optional
    ) -> 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 CreateDirectoryFromAppW([MarshalAs(UnmanagedType.LPWStr)] string lpPathName, IntPtr lpSecurityAttributes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-file-fromapp-l1-1-0_CreateDirectoryFromAppW' -Namespace Win32 -PassThru
# $api::CreateDirectoryFromAppW(lpPathName, lpSecurityAttributes)

#uselib "api-ms-win-core-file-fromapp-l1-1-0.dll"
#func global CreateDirectoryFromAppW "CreateDirectoryFromAppW" sptr, sptr
; CreateDirectoryFromAppW lpPathName, varptr(lpSecurityAttributes)   ; 戻り値は stat
; lpPathName : LPCWSTR -> "sptr"
; lpSecurityAttributes : SECURITY_ATTRIBUTES* 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 "api-ms-win-core-file-fromapp-l1-1-0.dll"
#cfunc global CreateDirectoryFromAppW "CreateDirectoryFromAppW" wstr, var
; res = CreateDirectoryFromAppW(lpPathName, lpSecurityAttributes)
; lpPathName : LPCWSTR -> "wstr"
; lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; BOOL CreateDirectoryFromAppW(LPCWSTR lpPathName, SECURITY_ATTRIBUTES* lpSecurityAttributes)
#uselib "api-ms-win-core-file-fromapp-l1-1-0.dll"
#cfunc global CreateDirectoryFromAppW "CreateDirectoryFromAppW" wstr, var
; res = CreateDirectoryFromAppW(lpPathName, lpSecurityAttributes)
; lpPathName : LPCWSTR -> "wstr"
; lpSecurityAttributes : SECURITY_ATTRIBUTES* optional -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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")
	procCreateDirectoryFromAppW = api_ms_win_core_file_fromapp_l1_1_0.NewProc("CreateDirectoryFromAppW")
)

// lpPathName (LPCWSTR), lpSecurityAttributes (SECURITY_ATTRIBUTES* optional)
r1, _, err := procCreateDirectoryFromAppW.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpPathName))),
	uintptr(lpSecurityAttributes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CreateDirectoryFromAppW(
  lpPathName: PWideChar;   // LPCWSTR
  lpSecurityAttributes: Pointer   // SECURITY_ATTRIBUTES* optional
): BOOL; stdcall;
  external 'api-ms-win-core-file-fromapp-l1-1-0.dll' name 'CreateDirectoryFromAppW';

result := DllCall("api-ms-win-core-file-fromapp-l1-1-0\CreateDirectoryFromAppW"
    , "WStr", lpPathName   ; LPCWSTR
    , "Ptr", lpSecurityAttributes   ; SECURITY_ATTRIBUTES* optional
    , "Int")   ; return: BOOL

●CreateDirectoryFromAppW(lpPathName, lpSecurityAttributes) = DLL("api-ms-win-core-file-fromapp-l1-1-0.dll", "bool CreateDirectoryFromAppW(char*, void*)")
# 呼び出し: CreateDirectoryFromAppW(lpPathName, lpSecurityAttributes)
# lpPathName : LPCWSTR -> "char*"
# lpSecurityAttributes : SECURITY_ATTRIBUTES* 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)。