ADsEnumerateNext

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

HRESULT ADsEnumerateNext(
    IEnumVARIANT* pEnumVariant,
    DWORD cElements,
    VARIANT* pvar,
    DWORD* pcElementsFetched
);

<DllImport("ACTIVEDS.dll", ExactSpelling:=True)>
Public Shared Function ADsEnumerateNext(
    pEnumVariant As IntPtr,   ' IEnumVARIANT*
    cElements As UInteger,   ' DWORD
    pvar As IntPtr,   ' VARIANT* in/out
    ByRef pcElementsFetched As UInteger   ' DWORD* in/out
) As Integer
End Function

' pEnumVariant : IEnumVARIANT*
' cElements : DWORD
' pvar : VARIANT* in/out
' pcElementsFetched : DWORD* in/out
Declare PtrSafe Function ADsEnumerateNext Lib "activeds" ( _
    ByVal pEnumVariant As LongPtr, _
    ByVal cElements As Long, _
    ByVal pvar As LongPtr, _
    ByRef pcElementsFetched As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

ADsEnumerateNext = ctypes.windll.activeds.ADsEnumerateNext
ADsEnumerateNext.restype = ctypes.c_int
ADsEnumerateNext.argtypes = [
    ctypes.c_void_p,  # pEnumVariant : IEnumVARIANT*
    wintypes.DWORD,  # cElements : DWORD
    ctypes.c_void_p,  # pvar : VARIANT* in/out
    ctypes.POINTER(wintypes.DWORD),  # pcElementsFetched : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ACTIVEDS.dll')
ADsEnumerateNext = Fiddle::Function.new(
  lib['ADsEnumerateNext'],
  [
    Fiddle::TYPE_VOIDP,  # pEnumVariant : IEnumVARIANT*
    -Fiddle::TYPE_INT,  # cElements : DWORD
    Fiddle::TYPE_VOIDP,  # pvar : VARIANT* in/out
    Fiddle::TYPE_VOIDP,  # pcElementsFetched : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "activeds")]
extern "system" {
    fn ADsEnumerateNext(
        pEnumVariant: *mut core::ffi::c_void,  // IEnumVARIANT*
        cElements: u32,  // DWORD
        pvar: *mut VARIANT,  // VARIANT* in/out
        pcElementsFetched: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ACTIVEDS.dll")]
public static extern int ADsEnumerateNext(IntPtr pEnumVariant, uint cElements, IntPtr pvar, ref uint pcElementsFetched);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ACTIVEDS_ADsEnumerateNext' -Namespace Win32 -PassThru
# $api::ADsEnumerateNext(pEnumVariant, cElements, pvar, pcElementsFetched)

#uselib "ACTIVEDS.dll"
#func global ADsEnumerateNext "ADsEnumerateNext" sptr, sptr, sptr, sptr
; ADsEnumerateNext pEnumVariant, cElements, varptr(pvar), varptr(pcElementsFetched)   ; 戻り値は stat
; pEnumVariant : IEnumVARIANT* -> "sptr"
; cElements : DWORD -> "sptr"
; pvar : VARIANT* in/out -> "sptr"
; pcElementsFetched : DWORD* in/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 "ACTIVEDS.dll"
#cfunc global ADsEnumerateNext "ADsEnumerateNext" sptr, int, var, var
; res = ADsEnumerateNext(pEnumVariant, cElements, pvar, pcElementsFetched)
; pEnumVariant : IEnumVARIANT* -> "sptr"
; cElements : DWORD -> "int"
; pvar : VARIANT* in/out -> "var"
; pcElementsFetched : DWORD* in/out -> "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。

; HRESULT ADsEnumerateNext(IEnumVARIANT* pEnumVariant, DWORD cElements, VARIANT* pvar, DWORD* pcElementsFetched)
#uselib "ACTIVEDS.dll"
#cfunc global ADsEnumerateNext "ADsEnumerateNext" intptr, int, var, var
; res = ADsEnumerateNext(pEnumVariant, cElements, pvar, pcElementsFetched)
; pEnumVariant : IEnumVARIANT* -> "intptr"
; cElements : DWORD -> "int"
; pvar : VARIANT* in/out -> "var"
; pcElementsFetched : DWORD* in/out -> "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 (
	activeds = windows.NewLazySystemDLL("ACTIVEDS.dll")
	procADsEnumerateNext = activeds.NewProc("ADsEnumerateNext")
)

// pEnumVariant (IEnumVARIANT*), cElements (DWORD), pvar (VARIANT* in/out), pcElementsFetched (DWORD* in/out)
r1, _, err := procADsEnumerateNext.Call(
	uintptr(pEnumVariant),
	uintptr(cElements),
	uintptr(pvar),
	uintptr(pcElementsFetched),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function ADsEnumerateNext(
  pEnumVariant: Pointer;   // IEnumVARIANT*
  cElements: DWORD;   // DWORD
  pvar: Pointer;   // VARIANT* in/out
  pcElementsFetched: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'ACTIVEDS.dll' name 'ADsEnumerateNext';

result := DllCall("ACTIVEDS\ADsEnumerateNext"
    , "Ptr", pEnumVariant   ; IEnumVARIANT*
    , "UInt", cElements   ; DWORD
    , "Ptr", pvar   ; VARIANT* in/out
    , "Ptr", pcElementsFetched   ; DWORD* in/out
    , "Int")   ; return: HRESULT

●ADsEnumerateNext(pEnumVariant, cElements, pvar, pcElementsFetched) = DLL("ACTIVEDS.dll", "int ADsEnumerateNext(void*, dword, void*, void*)")
# 呼び出し: ADsEnumerateNext(pEnumVariant, cElements, pvar, pcElementsFetched)
# pEnumVariant : IEnumVARIANT* -> "void*"
# cElements : DWORD -> "dword"
# pvar : VARIANT* in/out -> "void*"
# pcElementsFetched : DWORD* in/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)。