JsCreateArray

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

JsErrorCode JsCreateArray(
    DWORD length,
    void** result
);

<DllImport("chakra.dll", ExactSpelling:=True)>
Public Shared Function JsCreateArray(
    length As UInteger,   ' DWORD
    result As IntPtr   ' void** out
) As UInteger
End Function

' length : DWORD
' result : void** out
Declare PtrSafe Function JsCreateArray Lib "chakra" ( _
    ByVal length As Long, _
    ByVal result 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

JsCreateArray = ctypes.windll.chakra.JsCreateArray
JsCreateArray.restype = wintypes.DWORD
JsCreateArray.argtypes = [
    wintypes.DWORD,  # length : DWORD
    ctypes.c_void_p,  # result : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('chakra.dll')
JsCreateArray = Fiddle::Function.new(
  lib['JsCreateArray'],
  [
    -Fiddle::TYPE_INT,  # length : DWORD
    Fiddle::TYPE_VOIDP,  # result : void** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "chakra")]
extern "system" {
    fn JsCreateArray(
        length: u32,  // DWORD
        result: *mut *mut ()  // void** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("chakra.dll")]
public static extern uint JsCreateArray(uint length, IntPtr result);
"@
$api = Add-Type -MemberDefinition $sig -Name 'chakra_JsCreateArray' -Namespace Win32 -PassThru
# $api::JsCreateArray(length, result)

#uselib "chakra.dll"
#func global JsCreateArray "JsCreateArray" sptr, sptr
; JsCreateArray length, result   ; 戻り値は stat
; length : DWORD -> "sptr"
; result : void** out -> "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 "chakra.dll"
#cfunc global JsCreateArray "JsCreateArray" int, sptr
; res = JsCreateArray(length, result)
; length : DWORD -> "int"
; result : void** out -> "sptr"

; JsErrorCode JsCreateArray(DWORD length, void** result)
#uselib "chakra.dll"
#cfunc global JsCreateArray "JsCreateArray" int, intptr
; res = JsCreateArray(length, result)
; length : DWORD -> "int"
; result : void** out -> "intptr"

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

var (
	chakra = windows.NewLazySystemDLL("chakra.dll")
	procJsCreateArray = chakra.NewProc("JsCreateArray")
)

// length (DWORD), result (void** out)
r1, _, err := procJsCreateArray.Call(
	uintptr(length),
	uintptr(result),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // JsErrorCode

function JsCreateArray(
  length: DWORD;   // DWORD
  result: Pointer   // void** out
): DWORD; stdcall;
  external 'chakra.dll' name 'JsCreateArray';

result := DllCall("chakra\JsCreateArray"
    , "UInt", length   ; DWORD
    , "Ptr", result   ; void** out
    , "UInt")   ; return: JsErrorCode

●JsCreateArray(length, result) = DLL("chakra.dll", "dword JsCreateArray(dword, void*)")
# 呼び出し: JsCreateArray(length, result)
# length : DWORD -> "dword"
# result : void** out -> "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)。