LresultFromObject

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

LRESULT LresultFromObject(
    const GUID* riid,
    WPARAM wParam,
    IUnknown* punk
);

<DllImport("OLEACC.dll", ExactSpelling:=True)>
Public Shared Function LresultFromObject(
    ByRef riid As Guid,   ' GUID*
    wParam As UIntPtr,   ' WPARAM
    punk As IntPtr   ' IUnknown*
) As IntPtr
End Function

' riid : GUID*
' wParam : WPARAM
' punk : IUnknown*
Declare PtrSafe Function LresultFromObject Lib "oleacc" ( _
    ByVal riid As LongPtr, _
    ByVal wParam As LongPtr, _
    ByVal punk As LongPtr) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

LresultFromObject = ctypes.windll.oleacc.LresultFromObject
LresultFromObject.restype = ctypes.c_ssize_t
LresultFromObject.argtypes = [
    ctypes.c_void_p,  # riid : GUID*
    ctypes.c_size_t,  # wParam : WPARAM
    ctypes.c_void_p,  # punk : IUnknown*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OLEACC.dll')
LresultFromObject = Fiddle::Function.new(
  lib['LresultFromObject'],
  [
    Fiddle::TYPE_VOIDP,  # riid : GUID*
    Fiddle::TYPE_UINTPTR_T,  # wParam : WPARAM
    Fiddle::TYPE_VOIDP,  # punk : IUnknown*
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "oleacc")]
extern "system" {
    fn LresultFromObject(
        riid: *const GUID,  // GUID*
        wParam: usize,  // WPARAM
        punk: *mut core::ffi::c_void  // IUnknown*
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OLEACC.dll")]
public static extern IntPtr LresultFromObject(ref Guid riid, UIntPtr wParam, IntPtr punk);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OLEACC_LresultFromObject' -Namespace Win32 -PassThru
# $api::LresultFromObject(riid, wParam, punk)

#uselib "OLEACC.dll"
#func global LresultFromObject "LresultFromObject" sptr, sptr, sptr
; LresultFromObject varptr(riid), wParam, punk   ; 戻り値は stat
; riid : GUID* -> "sptr"
; wParam : WPARAM -> "sptr"
; punk : IUnknown* -> "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 "OLEACC.dll"
#cfunc global LresultFromObject "LresultFromObject" var, sptr, sptr
; res = LresultFromObject(riid, wParam, punk)
; riid : GUID* -> "var"
; wParam : WPARAM -> "sptr"
; punk : IUnknown* -> "sptr"
; ※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。

; LRESULT LresultFromObject(GUID* riid, WPARAM wParam, IUnknown* punk)
#uselib "OLEACC.dll"
#cfunc global LresultFromObject "LresultFromObject" var, intptr, intptr
; res = LresultFromObject(riid, wParam, punk)
; riid : GUID* -> "var"
; wParam : WPARAM -> "intptr"
; punk : IUnknown* -> "intptr"
; ※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 (
	oleacc = windows.NewLazySystemDLL("OLEACC.dll")
	procLresultFromObject = oleacc.NewProc("LresultFromObject")
)

// riid (GUID*), wParam (WPARAM), punk (IUnknown*)
r1, _, err := procLresultFromObject.Call(
	uintptr(riid),
	uintptr(wParam),
	uintptr(punk),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LRESULT

function LresultFromObject(
  riid: PGUID;   // GUID*
  wParam: NativeUInt;   // WPARAM
  punk: Pointer   // IUnknown*
): NativeInt; stdcall;
  external 'OLEACC.dll' name 'LresultFromObject';

result := DllCall("OLEACC\LresultFromObject"
    , "Ptr", riid   ; GUID*
    , "UPtr", wParam   ; WPARAM
    , "Ptr", punk   ; IUnknown*
    , "Ptr")   ; return: LRESULT

●LresultFromObject(riid, wParam, punk) = DLL("OLEACC.dll", "int LresultFromObject(void*, int, void*)")
# 呼び出し: LresultFromObject(riid, wParam, punk)
# riid : GUID* -> "void*"
# wParam : WPARAM -> "int"
# punk : IUnknown* -> "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)。