ADsGetObject

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

HRESULT ADsGetObject(
    LPCWSTR lpszPathName,
    const GUID* riid,
    void** ppObject
);

<DllImport("ACTIVEDS.dll", ExactSpelling:=True)>
Public Shared Function ADsGetObject(
    <MarshalAs(UnmanagedType.LPWStr)> lpszPathName As String,   ' LPCWSTR
    ByRef riid As Guid,   ' GUID*
    ppObject As IntPtr   ' void** in/out
) As Integer
End Function

' lpszPathName : LPCWSTR
' riid : GUID*
' ppObject : void** in/out
Declare PtrSafe Function ADsGetObject Lib "activeds" ( _
    ByVal lpszPathName As LongPtr, _
    ByVal riid As LongPtr, _
    ByVal ppObject 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

ADsGetObject = ctypes.windll.activeds.ADsGetObject
ADsGetObject.restype = ctypes.c_int
ADsGetObject.argtypes = [
    wintypes.LPCWSTR,  # lpszPathName : LPCWSTR
    ctypes.c_void_p,  # riid : GUID*
    ctypes.c_void_p,  # ppObject : void** in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ACTIVEDS.dll')
ADsGetObject = Fiddle::Function.new(
  lib['ADsGetObject'],
  [
    Fiddle::TYPE_VOIDP,  # lpszPathName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # riid : GUID*
    Fiddle::TYPE_VOIDP,  # ppObject : void** in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "activeds")]
extern "system" {
    fn ADsGetObject(
        lpszPathName: *const u16,  // LPCWSTR
        riid: *const GUID,  // GUID*
        ppObject: *mut *mut ()  // void** in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ACTIVEDS.dll")]
public static extern int ADsGetObject([MarshalAs(UnmanagedType.LPWStr)] string lpszPathName, ref Guid riid, IntPtr ppObject);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ACTIVEDS_ADsGetObject' -Namespace Win32 -PassThru
# $api::ADsGetObject(lpszPathName, riid, ppObject)

#uselib "ACTIVEDS.dll"
#func global ADsGetObject "ADsGetObject" sptr, sptr, sptr
; ADsGetObject lpszPathName, varptr(riid), ppObject   ; 戻り値は stat
; lpszPathName : LPCWSTR -> "sptr"
; riid : GUID* -> "sptr"
; ppObject : void** 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 ADsGetObject "ADsGetObject" wstr, var, sptr
; res = ADsGetObject(lpszPathName, riid, ppObject)
; lpszPathName : LPCWSTR -> "wstr"
; riid : GUID* -> "var"
; ppObject : void** in/out -> "sptr"
; ※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 ADsGetObject(LPCWSTR lpszPathName, GUID* riid, void** ppObject)
#uselib "ACTIVEDS.dll"
#cfunc global ADsGetObject "ADsGetObject" wstr, var, intptr
; res = ADsGetObject(lpszPathName, riid, ppObject)
; lpszPathName : LPCWSTR -> "wstr"
; riid : GUID* -> "var"
; ppObject : void** in/out -> "intptr"
; ※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")
	procADsGetObject = activeds.NewProc("ADsGetObject")
)

// lpszPathName (LPCWSTR), riid (GUID*), ppObject (void** in/out)
r1, _, err := procADsGetObject.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(lpszPathName))),
	uintptr(riid),
	uintptr(ppObject),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function ADsGetObject(
  lpszPathName: PWideChar;   // LPCWSTR
  riid: PGUID;   // GUID*
  ppObject: Pointer   // void** in/out
): Integer; stdcall;
  external 'ACTIVEDS.dll' name 'ADsGetObject';

result := DllCall("ACTIVEDS\ADsGetObject"
    , "WStr", lpszPathName   ; LPCWSTR
    , "Ptr", riid   ; GUID*
    , "Ptr", ppObject   ; void** in/out
    , "Int")   ; return: HRESULT

●ADsGetObject(lpszPathName, riid, ppObject) = DLL("ACTIVEDS.dll", "int ADsGetObject(char*, void*, void*)")
# 呼び出し: ADsGetObject(lpszPathName, riid, ppObject)
# lpszPathName : LPCWSTR -> "char*"
# riid : GUID* -> "void*"
# ppObject : void** 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)。