CoDisconnectObject

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

HRESULT CoDisconnectObject(
    IUnknown* pUnk,
    DWORD dwReserved
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function CoDisconnectObject(
    pUnk As IntPtr,   ' IUnknown*
    dwReserved As UInteger   ' DWORD
) As Integer
End Function

' pUnk : IUnknown*
' dwReserved : DWORD
Declare PtrSafe Function CoDisconnectObject Lib "ole32" ( _
    ByVal pUnk As LongPtr, _
    ByVal dwReserved 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

CoDisconnectObject = ctypes.windll.ole32.CoDisconnectObject
CoDisconnectObject.restype = ctypes.c_int
CoDisconnectObject.argtypes = [
    ctypes.c_void_p,  # pUnk : IUnknown*
    wintypes.DWORD,  # dwReserved : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
CoDisconnectObject = Fiddle::Function.new(
  lib['CoDisconnectObject'],
  [
    Fiddle::TYPE_VOIDP,  # pUnk : IUnknown*
    -Fiddle::TYPE_INT,  # dwReserved : DWORD
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("OLE32.dll")]
public static extern int CoDisconnectObject(IntPtr pUnk, uint dwReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_CoDisconnectObject' -Namespace Win32 -PassThru
# $api::CoDisconnectObject(pUnk, dwReserved)

#uselib "OLE32.dll"
#func global CoDisconnectObject "CoDisconnectObject" sptr, sptr
; CoDisconnectObject pUnk, dwReserved   ; 戻り値は stat
; pUnk : IUnknown* -> "sptr"
; dwReserved : DWORD -> "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 CoDisconnectObject "CoDisconnectObject" sptr, int
; res = CoDisconnectObject(pUnk, dwReserved)
; pUnk : IUnknown* -> "sptr"
; dwReserved : DWORD -> "int"

; HRESULT CoDisconnectObject(IUnknown* pUnk, DWORD dwReserved)
#uselib "OLE32.dll"
#cfunc global CoDisconnectObject "CoDisconnectObject" intptr, int
; res = CoDisconnectObject(pUnk, dwReserved)
; pUnk : IUnknown* -> "intptr"
; dwReserved : DWORD -> "int"

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

var (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procCoDisconnectObject = ole32.NewProc("CoDisconnectObject")
)

// pUnk (IUnknown*), dwReserved (DWORD)
r1, _, err := procCoDisconnectObject.Call(
	uintptr(pUnk),
	uintptr(dwReserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function CoDisconnectObject(
  pUnk: Pointer;   // IUnknown*
  dwReserved: DWORD   // DWORD
): Integer; stdcall;
  external 'OLE32.dll' name 'CoDisconnectObject';

result := DllCall("OLE32\CoDisconnectObject"
    , "Ptr", pUnk   ; IUnknown*
    , "UInt", dwReserved   ; DWORD
    , "Int")   ; return: HRESULT

●CoDisconnectObject(pUnk, dwReserved) = DLL("OLE32.dll", "int CoDisconnectObject(void*, dword)")
# 呼び出し: CoDisconnectObject(pUnk, dwReserved)
# pUnk : IUnknown* -> "void*"
# dwReserved : DWORD -> "dword"
# 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)。