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)。