OleDraw

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

HRESULT OleDraw(
    IUnknown* pUnknown,
    DWORD dwAspect,
    HDC hdcDraw,
    RECT* lprcBounds
);

<DllImport("OLE32.dll", ExactSpelling:=True)>
Public Shared Function OleDraw(
    pUnknown As IntPtr,   ' IUnknown*
    dwAspect As UInteger,   ' DWORD
    hdcDraw As IntPtr,   ' HDC
    lprcBounds As IntPtr   ' RECT*
) As Integer
End Function

' pUnknown : IUnknown*
' dwAspect : DWORD
' hdcDraw : HDC
' lprcBounds : RECT*
Declare PtrSafe Function OleDraw Lib "ole32" ( _
    ByVal pUnknown As LongPtr, _
    ByVal dwAspect As Long, _
    ByVal hdcDraw As LongPtr, _
    ByVal lprcBounds 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

OleDraw = ctypes.windll.ole32.OleDraw
OleDraw.restype = ctypes.c_int
OleDraw.argtypes = [
    ctypes.c_void_p,  # pUnknown : IUnknown*
    wintypes.DWORD,  # dwAspect : DWORD
    wintypes.HANDLE,  # hdcDraw : HDC
    ctypes.c_void_p,  # lprcBounds : RECT*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLE32.dll')
OleDraw = Fiddle::Function.new(
  lib['OleDraw'],
  [
    Fiddle::TYPE_VOIDP,  # pUnknown : IUnknown*
    -Fiddle::TYPE_INT,  # dwAspect : DWORD
    Fiddle::TYPE_VOIDP,  # hdcDraw : HDC
    Fiddle::TYPE_VOIDP,  # lprcBounds : RECT*
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("OLE32.dll")]
public static extern int OleDraw(IntPtr pUnknown, uint dwAspect, IntPtr hdcDraw, IntPtr lprcBounds);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLE32_OleDraw' -Namespace Win32 -PassThru
# $api::OleDraw(pUnknown, dwAspect, hdcDraw, lprcBounds)

#uselib "OLE32.dll"
#func global OleDraw "OleDraw" sptr, sptr, sptr, sptr
; OleDraw pUnknown, dwAspect, hdcDraw, varptr(lprcBounds)   ; 戻り値は stat
; pUnknown : IUnknown* -> "sptr"
; dwAspect : DWORD -> "sptr"
; hdcDraw : HDC -> "sptr"
; lprcBounds : RECT* -> "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 OleDraw "OleDraw" sptr, int, sptr, var
; res = OleDraw(pUnknown, dwAspect, hdcDraw, lprcBounds)
; pUnknown : IUnknown* -> "sptr"
; dwAspect : DWORD -> "int"
; hdcDraw : HDC -> "sptr"
; lprcBounds : RECT* -> "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 OleDraw(IUnknown* pUnknown, DWORD dwAspect, HDC hdcDraw, RECT* lprcBounds)
#uselib "OLE32.dll"
#cfunc global OleDraw "OleDraw" intptr, int, intptr, var
; res = OleDraw(pUnknown, dwAspect, hdcDraw, lprcBounds)
; pUnknown : IUnknown* -> "intptr"
; dwAspect : DWORD -> "int"
; hdcDraw : HDC -> "intptr"
; lprcBounds : RECT* -> "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 (
	ole32 = windows.NewLazySystemDLL("OLE32.dll")
	procOleDraw = ole32.NewProc("OleDraw")
)

// pUnknown (IUnknown*), dwAspect (DWORD), hdcDraw (HDC), lprcBounds (RECT*)
r1, _, err := procOleDraw.Call(
	uintptr(pUnknown),
	uintptr(dwAspect),
	uintptr(hdcDraw),
	uintptr(lprcBounds),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function OleDraw(
  pUnknown: Pointer;   // IUnknown*
  dwAspect: DWORD;   // DWORD
  hdcDraw: THandle;   // HDC
  lprcBounds: Pointer   // RECT*
): Integer; stdcall;
  external 'OLE32.dll' name 'OleDraw';

result := DllCall("OLE32\OleDraw"
    , "Ptr", pUnknown   ; IUnknown*
    , "UInt", dwAspect   ; DWORD
    , "Ptr", hdcDraw   ; HDC
    , "Ptr", lprcBounds   ; RECT*
    , "Int")   ; return: HRESULT

●OleDraw(pUnknown, dwAspect, hdcDraw, lprcBounds) = DLL("OLE32.dll", "int OleDraw(void*, dword, void*, void*)")
# 呼び出し: OleDraw(pUnknown, dwAspect, hdcDraw, lprcBounds)
# pUnknown : IUnknown* -> "void*"
# dwAspect : DWORD -> "dword"
# hdcDraw : HDC -> "void*"
# lprcBounds : RECT* -> "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)。