HcsImportLayer

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

HRESULT HcsImportLayer(
    LPCWSTR layerPath,
    LPCWSTR sourceFolderPath,
    LPCWSTR layerData
);

<DllImport("computestorage.dll", ExactSpelling:=True)>
Public Shared Function HcsImportLayer(
    <MarshalAs(UnmanagedType.LPWStr)> layerPath As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> sourceFolderPath As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> layerData As String   ' LPCWSTR
) As Integer
End Function

' layerPath : LPCWSTR
' sourceFolderPath : LPCWSTR
' layerData : LPCWSTR
Declare PtrSafe Function HcsImportLayer Lib "computestorage" ( _
    ByVal layerPath As LongPtr, _
    ByVal sourceFolderPath As LongPtr, _
    ByVal layerData 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

HcsImportLayer = ctypes.windll.computestorage.HcsImportLayer
HcsImportLayer.restype = ctypes.c_int
HcsImportLayer.argtypes = [
    wintypes.LPCWSTR,  # layerPath : LPCWSTR
    wintypes.LPCWSTR,  # sourceFolderPath : LPCWSTR
    wintypes.LPCWSTR,  # layerData : LPCWSTR
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('computestorage.dll')
HcsImportLayer = Fiddle::Function.new(
  lib['HcsImportLayer'],
  [
    Fiddle::TYPE_VOIDP,  # layerPath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # sourceFolderPath : LPCWSTR
    Fiddle::TYPE_VOIDP,  # layerData : LPCWSTR
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("computestorage.dll")]
public static extern int HcsImportLayer([MarshalAs(UnmanagedType.LPWStr)] string layerPath, [MarshalAs(UnmanagedType.LPWStr)] string sourceFolderPath, [MarshalAs(UnmanagedType.LPWStr)] string layerData);
"@
$api = Add-Type -MemberDefinition $sig -Name 'computestorage_HcsImportLayer' -Namespace Win32 -PassThru
# $api::HcsImportLayer(layerPath, sourceFolderPath, layerData)

#uselib "computestorage.dll"
#func global HcsImportLayer "HcsImportLayer" sptr, sptr, sptr
; HcsImportLayer layerPath, sourceFolderPath, layerData   ; 戻り値は stat
; layerPath : LPCWSTR -> "sptr"
; sourceFolderPath : LPCWSTR -> "sptr"
; layerData : 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 "computestorage.dll"
#cfunc global HcsImportLayer "HcsImportLayer" wstr, wstr, wstr
; res = HcsImportLayer(layerPath, sourceFolderPath, layerData)
; layerPath : LPCWSTR -> "wstr"
; sourceFolderPath : LPCWSTR -> "wstr"
; layerData : LPCWSTR -> "wstr"

; HRESULT HcsImportLayer(LPCWSTR layerPath, LPCWSTR sourceFolderPath, LPCWSTR layerData)
#uselib "computestorage.dll"
#cfunc global HcsImportLayer "HcsImportLayer" wstr, wstr, wstr
; res = HcsImportLayer(layerPath, sourceFolderPath, layerData)
; layerPath : LPCWSTR -> "wstr"
; sourceFolderPath : LPCWSTR -> "wstr"
; layerData : LPCWSTR -> "wstr"

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

var (
	computestorage = windows.NewLazySystemDLL("computestorage.dll")
	procHcsImportLayer = computestorage.NewProc("HcsImportLayer")
)

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

function HcsImportLayer(
  layerPath: PWideChar;   // LPCWSTR
  sourceFolderPath: PWideChar;   // LPCWSTR
  layerData: PWideChar   // LPCWSTR
): Integer; stdcall;
  external 'computestorage.dll' name 'HcsImportLayer';

result := DllCall("computestorage\HcsImportLayer"
    , "WStr", layerPath   ; LPCWSTR
    , "WStr", sourceFolderPath   ; LPCWSTR
    , "WStr", layerData   ; LPCWSTR
    , "Int")   ; return: HRESULT

●HcsImportLayer(layerPath, sourceFolderPath, layerData) = DLL("computestorage.dll", "int HcsImportLayer(char*, char*, char*)")
# 呼び出し: HcsImportLayer(layerPath, sourceFolderPath, layerData)
# layerPath : LPCWSTR -> "char*"
# sourceFolderPath : LPCWSTR -> "char*"
# layerData : 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)。