IUnknown_GetWindow

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

HRESULT IUnknown_GetWindow(
    IUnknown* punk,
    HWND* phwnd
);

<DllImport("SHLWAPI.dll", ExactSpelling:=True)>
Public Shared Function IUnknown_GetWindow(
    punk As IntPtr,   ' IUnknown*
    phwnd As IntPtr   ' HWND* out
) As Integer
End Function

' punk : IUnknown*
' phwnd : HWND* out
Declare PtrSafe Function IUnknown_GetWindow Lib "shlwapi" ( _
    ByVal punk As LongPtr, _
    ByVal phwnd 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

IUnknown_GetWindow = ctypes.windll.shlwapi.IUnknown_GetWindow
IUnknown_GetWindow.restype = ctypes.c_int
IUnknown_GetWindow.argtypes = [
    ctypes.c_void_p,  # punk : IUnknown*
    ctypes.c_void_p,  # phwnd : HWND* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
IUnknown_GetWindow = Fiddle::Function.new(
  lib['IUnknown_GetWindow'],
  [
    Fiddle::TYPE_VOIDP,  # punk : IUnknown*
    Fiddle::TYPE_VOIDP,  # phwnd : HWND* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn IUnknown_GetWindow(
        punk: *mut core::ffi::c_void,  // IUnknown*
        phwnd: *mut *mut core::ffi::c_void  // HWND* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHLWAPI.dll")]
public static extern int IUnknown_GetWindow(IntPtr punk, IntPtr phwnd);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_IUnknown_GetWindow' -Namespace Win32 -PassThru
# $api::IUnknown_GetWindow(punk, phwnd)

#uselib "SHLWAPI.dll"
#func global IUnknown_GetWindow "IUnknown_GetWindow" sptr, sptr
; IUnknown_GetWindow punk, phwnd   ; 戻り値は stat
; punk : IUnknown* -> "sptr"
; phwnd : HWND* 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 "SHLWAPI.dll"
#cfunc global IUnknown_GetWindow "IUnknown_GetWindow" sptr, sptr
; res = IUnknown_GetWindow(punk, phwnd)
; punk : IUnknown* -> "sptr"
; phwnd : HWND* out -> "sptr"

; HRESULT IUnknown_GetWindow(IUnknown* punk, HWND* phwnd)
#uselib "SHLWAPI.dll"
#cfunc global IUnknown_GetWindow "IUnknown_GetWindow" intptr, intptr
; res = IUnknown_GetWindow(punk, phwnd)
; punk : IUnknown* -> "intptr"
; phwnd : HWND* out -> "intptr"

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

var (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procIUnknown_GetWindow = shlwapi.NewProc("IUnknown_GetWindow")
)

// punk (IUnknown*), phwnd (HWND* out)
r1, _, err := procIUnknown_GetWindow.Call(
	uintptr(punk),
	uintptr(phwnd),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function IUnknown_GetWindow(
  punk: Pointer;   // IUnknown*
  phwnd: Pointer   // HWND* out
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'IUnknown_GetWindow';

result := DllCall("SHLWAPI\IUnknown_GetWindow"
    , "Ptr", punk   ; IUnknown*
    , "Ptr", phwnd   ; HWND* out
    , "Int")   ; return: HRESULT

●IUnknown_GetWindow(punk, phwnd) = DLL("SHLWAPI.dll", "int IUnknown_GetWindow(void*, void*)")
# 呼び出し: IUnknown_GetWindow(punk, phwnd)
# punk : IUnknown* -> "void*"
# phwnd : HWND* 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 "shlwapi" fn IUnknown_GetWindow(
    punk: ?*anyopaque, // IUnknown*
    phwnd: ?*anyopaque // HWND* out
) callconv(std.os.windows.WINAPI) i32;

proc IUnknown_GetWindow(
    punk: pointer,  # IUnknown*
    phwnd: pointer  # HWND* out
): int32 {.importc: "IUnknown_GetWindow", stdcall, dynlib: "SHLWAPI.dll".}

pragma(lib, "shlwapi");
extern(Windows)
int IUnknown_GetWindow(
    void* punk,   // IUnknown*
    void* phwnd   // HWND* out
);

ccall((:IUnknown_GetWindow, "SHLWAPI.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}),
      punk, phwnd)
# punk : IUnknown* -> Ptr{Cvoid}
# phwnd : HWND* 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 IUnknown_GetWindow(
    void* punk,
    void* phwnd);
]]
local shlwapi = ffi.load("shlwapi")
-- shlwapi.IUnknown_GetWindow(punk, phwnd)
-- punk : IUnknown*
-- phwnd : HWND* 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('SHLWAPI.dll');
const IUnknown_GetWindow = lib.func('__stdcall', 'IUnknown_GetWindow', 'int32_t', ['void *', 'void *']);
// IUnknown_GetWindow(punk, phwnd)
// punk : IUnknown* -> 'void *'
// phwnd : HWND* 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("SHLWAPI.dll", {
  IUnknown_GetWindow: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.IUnknown_GetWindow(punk, phwnd)
// punk : IUnknown* -> "pointer"
// phwnd : HWND* 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 IUnknown_GetWindow(
    void* punk,
    void* phwnd);
C, "SHLWAPI.dll");
// $ffi->IUnknown_GetWindow(punk, phwnd);
// punk : IUnknown*
// phwnd : HWND* 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 Shlwapi extends StdCallLibrary {
    Shlwapi INSTANCE = Native.load("shlwapi", Shlwapi.class);
    int IUnknown_GetWindow(
        Pointer punk,   // IUnknown*
        Pointer phwnd   // HWND* out
    );
}

@[Link("shlwapi")]
lib LibSHLWAPI
  fun IUnknown_GetWindow = IUnknown_GetWindow(
    punk : Void*,   # IUnknown*
    phwnd : Void*   # HWND* 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 IUnknown_GetWindowNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef IUnknown_GetWindowDart = int Function(Pointer<Void>, Pointer<Void>);
final IUnknown_GetWindow = DynamicLibrary.open('SHLWAPI.dll')
    .lookupFunction<IUnknown_GetWindowNative, IUnknown_GetWindowDart>('IUnknown_GetWindow');
// punk : IUnknown* -> Pointer<Void>
// phwnd : HWND* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function IUnknown_GetWindow(
  punk: Pointer;   // IUnknown*
  phwnd: Pointer   // HWND* out
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'IUnknown_GetWindow';

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

foreign import stdcall safe "IUnknown_GetWindow"
  c_IUnknown_GetWindow :: Ptr () -> Ptr () -> IO Int32
-- punk : IUnknown* -> Ptr ()
-- phwnd : HWND* 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 iunknown_getwindow =
  foreign "IUnknown_GetWindow"
    ((ptr void) @-> (ptr void) @-> returning int32_t)
(* punk : IUnknown* -> (ptr void) *)
(* phwnd : HWND* 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 shlwapi (t "SHLWAPI.dll"))
(cffi:use-foreign-library shlwapi)

(cffi:defcfun ("IUnknown_GetWindow" iunknown-get-window :convention :stdcall) :int32
  (punk :pointer)   ; IUnknown*
  (phwnd :pointer))   ; HWND* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $IUnknown_GetWindow = Win32::API::More->new('SHLWAPI',
    'int IUnknown_GetWindow(LPVOID punk, HANDLE phwnd)');
# my $ret = $IUnknown_GetWindow->Call($punk, $phwnd);
# punk : IUnknown* -> LPVOID
# phwnd : HWND* out -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。