GetRunningObjectTable

// OLE32.dll
#include <windows.h>

HRESULT GetRunningObjectTable(
    DWORD reserved,
    IRunningObjectTable** pprot
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function GetRunningObjectTable(
    reserved As UInteger,   ' DWORD
    pprot As IntPtr   ' IRunningObjectTable** out
) As Integer
End Function

' reserved : DWORD
' pprot : IRunningObjectTable** out
Declare PtrSafe Function GetRunningObjectTable Lib "ole32" ( _
    ByVal reserved As Long, _
    ByVal pprot 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

GetRunningObjectTable = ctypes.windll.ole32.GetRunningObjectTable
GetRunningObjectTable.restype = ctypes.c_int
GetRunningObjectTable.argtypes = [
    wintypes.DWORD,  # reserved : DWORD
    ctypes.c_void_p,  # pprot : IRunningObjectTable** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
GetRunningObjectTable = Fiddle::Function.new(
  lib['GetRunningObjectTable'],
  [
    -Fiddle::TYPE_INT,  # reserved : DWORD
    Fiddle::TYPE_VOIDP,  # pprot : IRunningObjectTable** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "ole32")]
extern "system" {
    fn GetRunningObjectTable(
        reserved: u32,  // DWORD
        pprot: *mut *mut core::ffi::c_void  // IRunningObjectTable** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLE32.dll")]
public static extern int GetRunningObjectTable(uint reserved, IntPtr pprot);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_GetRunningObjectTable' -Namespace Win32 -PassThru
# $api::GetRunningObjectTable(reserved, pprot)

#uselib "OLE32.dll"
#func global GetRunningObjectTable "GetRunningObjectTable" sptr, sptr
; GetRunningObjectTable reserved, pprot   ; 戻り値は stat
; reserved : DWORD -> "sptr"
; pprot : IRunningObjectTable** 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 "OLE32.dll"
#cfunc global GetRunningObjectTable "GetRunningObjectTable" int, sptr
; res = GetRunningObjectTable(reserved, pprot)
; reserved : DWORD -> "int"
; pprot : IRunningObjectTable** out -> "sptr"

; HRESULT GetRunningObjectTable(DWORD reserved, IRunningObjectTable** pprot)
#uselib "OLE32.dll"
#cfunc global GetRunningObjectTable "GetRunningObjectTable" int, intptr
; res = GetRunningObjectTable(reserved, pprot)
; reserved : DWORD -> "int"
; pprot : IRunningObjectTable** out -> "intptr"

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procGetRunningObjectTable = ole32.NewProc("GetRunningObjectTable")
)

// reserved (DWORD), pprot (IRunningObjectTable** out)
r1, _, err := procGetRunningObjectTable.Call(
	uintptr(reserved),
	uintptr(pprot),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetRunningObjectTable(
  reserved: DWORD;   // DWORD
  pprot: Pointer   // IRunningObjectTable** out
): Integer; stdcall;
  external 'OLE32.dll' name 'GetRunningObjectTable';

result := DllCall("OLE32\GetRunningObjectTable"
    , "UInt", reserved   ; DWORD
    , "Ptr", pprot   ; IRunningObjectTable** out
    , "Int")   ; return: HRESULT

●GetRunningObjectTable(reserved, pprot) = DLL("OLE32.dll", "int GetRunningObjectTable(dword, void*)")
# 呼び出し: GetRunningObjectTable(reserved, pprot)
# reserved : DWORD -> "dword"
# pprot : IRunningObjectTable** 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)。

const std = @import("std");

extern "ole32" fn GetRunningObjectTable(
    reserved: u32, // DWORD
    pprot: ?*anyopaque // IRunningObjectTable** out
) callconv(std.os.windows.WINAPI) i32;

proc GetRunningObjectTable(
    reserved: uint32,  # DWORD
    pprot: pointer  # IRunningObjectTable** out
): int32 {.importc: "GetRunningObjectTable", stdcall, dynlib: "OLE32.dll".}

pragma(lib, "ole32");
extern(Windows)
int GetRunningObjectTable(
    uint reserved,   // DWORD
    void* pprot   // IRunningObjectTable** out
);

ccall((:GetRunningObjectTable, "OLE32.dll"), stdcall, Int32,
      (UInt32, Ptr{Cvoid}),
      reserved, pprot)
# reserved : DWORD -> UInt32
# pprot : IRunningObjectTable** out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GetRunningObjectTable(
    uint32_t reserved,
    void* pprot);
]]
local ole32 = ffi.load("ole32")
-- ole32.GetRunningObjectTable(reserved, pprot)
-- reserved : DWORD
-- pprot : IRunningObjectTable** out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('OLE32.dll');
const GetRunningObjectTable = lib.func('__stdcall', 'GetRunningObjectTable', 'int32_t', ['uint32_t', 'void *']);
// GetRunningObjectTable(reserved, pprot)
// reserved : DWORD -> 'uint32_t'
// pprot : IRunningObjectTable** out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("OLE32.dll", {
  GetRunningObjectTable: { parameters: ["u32", "pointer"], result: "i32" },
});
// lib.symbols.GetRunningObjectTable(reserved, pprot)
// reserved : DWORD -> "u32"
// pprot : IRunningObjectTable** out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t GetRunningObjectTable(
    uint32_t reserved,
    void* pprot);
C, "OLE32.dll");
// $ffi->GetRunningObjectTable(reserved, pprot);
// reserved : DWORD
// pprot : IRunningObjectTable** out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Ole32 extends StdCallLibrary {
    Ole32 INSTANCE = Native.load("ole32", Ole32.class);
    int GetRunningObjectTable(
        int reserved,   // DWORD
        Pointer pprot   // IRunningObjectTable** out
    );
}

@[Link("ole32")]
lib LibOLE32
  fun GetRunningObjectTable = GetRunningObjectTable(
    reserved : UInt32,   # DWORD
    pprot : Void*   # IRunningObjectTable** out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef GetRunningObjectTableNative = Int32 Function(Uint32, Pointer<Void>);
typedef GetRunningObjectTableDart = int Function(int, Pointer<Void>);
final GetRunningObjectTable = DynamicLibrary.open('OLE32.dll')
    .lookupFunction<GetRunningObjectTableNative, GetRunningObjectTableDart>('GetRunningObjectTable');
// reserved : DWORD -> Uint32
// pprot : IRunningObjectTable** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetRunningObjectTable(
  reserved: DWORD;   // DWORD
  pprot: Pointer   // IRunningObjectTable** out
): Integer; stdcall;
  external 'OLE32.dll' name 'GetRunningObjectTable';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GetRunningObjectTable"
  c_GetRunningObjectTable :: Word32 -> Ptr () -> IO Int32
-- reserved : DWORD -> Word32
-- pprot : IRunningObjectTable** out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let getrunningobjecttable =
  foreign "GetRunningObjectTable"
    (uint32_t @-> (ptr void) @-> returning int32_t)
(* reserved : DWORD -> uint32_t *)
(* pprot : IRunningObjectTable** out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library ole32 (t "OLE32.dll"))
(cffi:use-foreign-library ole32)

(cffi:defcfun ("GetRunningObjectTable" get-running-object-table :convention :stdcall) :int32
  (reserved :uint32)   ; DWORD
  (pprot :pointer))   ; IRunningObjectTable** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetRunningObjectTable = Win32::API::More->new('OLE32',
    'int GetRunningObjectTable(DWORD reserved, LPVOID pprot)');
# my $ret = $GetRunningObjectTable->Call($reserved, $pprot);
# reserved : DWORD -> DWORD
# pprot : IRunningObjectTable** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。