PropVariantToAdsType

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

HRESULT PropVariantToAdsType(
    VARIANT* pVariant,
    DWORD dwNumVariant,
    ADSVALUE** ppAdsValues,
    DWORD* pdwNumValues
);

<DllImport("ACTIVEDS.dll", ExactSpelling:=True)>
Public Shared Function PropVariantToAdsType(
    pVariant As IntPtr,   ' VARIANT* in/out
    dwNumVariant As UInteger,   ' DWORD
    ppAdsValues As IntPtr,   ' ADSVALUE** in/out
    ByRef pdwNumValues As UInteger   ' DWORD* in/out
) As Integer
End Function

' pVariant : VARIANT* in/out
' dwNumVariant : DWORD
' ppAdsValues : ADSVALUE** in/out
' pdwNumValues : DWORD* in/out
Declare PtrSafe Function PropVariantToAdsType Lib "activeds" ( _
    ByVal pVariant As LongPtr, _
    ByVal dwNumVariant As Long, _
    ByVal ppAdsValues As LongPtr, _
    ByRef pdwNumValues 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

PropVariantToAdsType = ctypes.windll.activeds.PropVariantToAdsType
PropVariantToAdsType.restype = ctypes.c_int
PropVariantToAdsType.argtypes = [
    ctypes.c_void_p,  # pVariant : VARIANT* in/out
    wintypes.DWORD,  # dwNumVariant : DWORD
    ctypes.c_void_p,  # ppAdsValues : ADSVALUE** in/out
    ctypes.POINTER(wintypes.DWORD),  # pdwNumValues : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ACTIVEDS.dll')
PropVariantToAdsType = Fiddle::Function.new(
  lib['PropVariantToAdsType'],
  [
    Fiddle::TYPE_VOIDP,  # pVariant : VARIANT* in/out
    -Fiddle::TYPE_INT,  # dwNumVariant : DWORD
    Fiddle::TYPE_VOIDP,  # ppAdsValues : ADSVALUE** in/out
    Fiddle::TYPE_VOIDP,  # pdwNumValues : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "activeds")]
extern "system" {
    fn PropVariantToAdsType(
        pVariant: *mut VARIANT,  // VARIANT* in/out
        dwNumVariant: u32,  // DWORD
        ppAdsValues: *mut *mut ADSVALUE,  // ADSVALUE** in/out
        pdwNumValues: *mut u32  // DWORD* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ACTIVEDS.dll")]
public static extern int PropVariantToAdsType(IntPtr pVariant, uint dwNumVariant, IntPtr ppAdsValues, ref uint pdwNumValues);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ACTIVEDS_PropVariantToAdsType' -Namespace Win32 -PassThru
# $api::PropVariantToAdsType(pVariant, dwNumVariant, ppAdsValues, pdwNumValues)

#uselib "ACTIVEDS.dll"
#func global PropVariantToAdsType "PropVariantToAdsType" sptr, sptr, sptr, sptr
; PropVariantToAdsType varptr(pVariant), dwNumVariant, varptr(ppAdsValues), varptr(pdwNumValues)   ; 戻り値は stat
; pVariant : VARIANT* in/out -> "sptr"
; dwNumVariant : DWORD -> "sptr"
; ppAdsValues : ADSVALUE** in/out -> "sptr"
; pdwNumValues : 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 PropVariantToAdsType "PropVariantToAdsType" var, int, var, var
; res = PropVariantToAdsType(pVariant, dwNumVariant, ppAdsValues, pdwNumValues)
; pVariant : VARIANT* in/out -> "var"
; dwNumVariant : DWORD -> "int"
; ppAdsValues : ADSVALUE** in/out -> "var"
; pdwNumValues : 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 PropVariantToAdsType(VARIANT* pVariant, DWORD dwNumVariant, ADSVALUE** ppAdsValues, DWORD* pdwNumValues)
#uselib "ACTIVEDS.dll"
#cfunc global PropVariantToAdsType "PropVariantToAdsType" var, int, var, var
; res = PropVariantToAdsType(pVariant, dwNumVariant, ppAdsValues, pdwNumValues)
; pVariant : VARIANT* in/out -> "var"
; dwNumVariant : DWORD -> "int"
; ppAdsValues : ADSVALUE** in/out -> "var"
; pdwNumValues : 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")
	procPropVariantToAdsType = activeds.NewProc("PropVariantToAdsType")
)

// pVariant (VARIANT* in/out), dwNumVariant (DWORD), ppAdsValues (ADSVALUE** in/out), pdwNumValues (DWORD* in/out)
r1, _, err := procPropVariantToAdsType.Call(
	uintptr(pVariant),
	uintptr(dwNumVariant),
	uintptr(ppAdsValues),
	uintptr(pdwNumValues),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function PropVariantToAdsType(
  pVariant: Pointer;   // VARIANT* in/out
  dwNumVariant: DWORD;   // DWORD
  ppAdsValues: Pointer;   // ADSVALUE** in/out
  pdwNumValues: Pointer   // DWORD* in/out
): Integer; stdcall;
  external 'ACTIVEDS.dll' name 'PropVariantToAdsType';

result := DllCall("ACTIVEDS\PropVariantToAdsType"
    , "Ptr", pVariant   ; VARIANT* in/out
    , "UInt", dwNumVariant   ; DWORD
    , "Ptr", ppAdsValues   ; ADSVALUE** in/out
    , "Ptr", pdwNumValues   ; DWORD* in/out
    , "Int")   ; return: HRESULT

●PropVariantToAdsType(pVariant, dwNumVariant, ppAdsValues, pdwNumValues) = DLL("ACTIVEDS.dll", "int PropVariantToAdsType(void*, dword, void*, void*)")
# 呼び出し: PropVariantToAdsType(pVariant, dwNumVariant, ppAdsValues, pdwNumValues)
# pVariant : VARIANT* in/out -> "void*"
# dwNumVariant : DWORD -> "dword"
# ppAdsValues : ADSVALUE** in/out -> "void*"
# pdwNumValues : 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)。