DwmDefWindowProc

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

BOOL DwmDefWindowProc(
    HWND hWnd,
    DWORD msg,
    WPARAM wParam,
    LPARAM lParam,
    LRESULT* plResult
);

<DllImport("dwmapi.dll", ExactSpelling:=True)>
Public Shared Function DwmDefWindowProc(
    hWnd As IntPtr,   ' HWND
    msg As UInteger,   ' DWORD
    wParam As UIntPtr,   ' WPARAM
    lParam As IntPtr,   ' LPARAM
    <Out> ByRef plResult As IntPtr   ' LRESULT* out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hWnd : HWND
' msg : DWORD
' wParam : WPARAM
' lParam : LPARAM
' plResult : LRESULT* out
Declare PtrSafe Function DwmDefWindowProc Lib "dwmapi" ( _
    ByVal hWnd As LongPtr, _
    ByVal msg As Long, _
    ByVal wParam As LongPtr, _
    ByVal lParam As LongPtr, _
    ByRef plResult 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

DwmDefWindowProc = ctypes.windll.dwmapi.DwmDefWindowProc
DwmDefWindowProc.restype = wintypes.BOOL
DwmDefWindowProc.argtypes = [
    wintypes.HANDLE,  # hWnd : HWND
    wintypes.DWORD,  # msg : DWORD
    ctypes.c_size_t,  # wParam : WPARAM
    ctypes.c_ssize_t,  # lParam : LPARAM
    ctypes.c_void_p,  # plResult : LRESULT* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dwmapi.dll')
DwmDefWindowProc = Fiddle::Function.new(
  lib['DwmDefWindowProc'],
  [
    Fiddle::TYPE_VOIDP,  # hWnd : HWND
    -Fiddle::TYPE_INT,  # msg : DWORD
    Fiddle::TYPE_UINTPTR_T,  # wParam : WPARAM
    Fiddle::TYPE_INTPTR_T,  # lParam : LPARAM
    Fiddle::TYPE_VOIDP,  # plResult : LRESULT* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "dwmapi")]
extern "system" {
    fn DwmDefWindowProc(
        hWnd: *mut core::ffi::c_void,  // HWND
        msg: u32,  // DWORD
        wParam: usize,  // WPARAM
        lParam: isize,  // LPARAM
        plResult: *mut isize  // LRESULT* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("dwmapi.dll")]
public static extern bool DwmDefWindowProc(IntPtr hWnd, uint msg, UIntPtr wParam, IntPtr lParam, out IntPtr plResult);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dwmapi_DwmDefWindowProc' -Namespace Win32 -PassThru
# $api::DwmDefWindowProc(hWnd, msg, wParam, lParam, plResult)

#uselib "dwmapi.dll"
#func global DwmDefWindowProc "DwmDefWindowProc" sptr, sptr, sptr, sptr, sptr
; DwmDefWindowProc hWnd, msg, wParam, lParam, varptr(plResult)   ; 戻り値は stat
; hWnd : HWND -> "sptr"
; msg : DWORD -> "sptr"
; wParam : WPARAM -> "sptr"
; lParam : LPARAM -> "sptr"
; plResult : LRESULT* 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。

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

var (
	dwmapi = windows.NewLazySystemDLL("dwmapi.dll")
	procDwmDefWindowProc = dwmapi.NewProc("DwmDefWindowProc")
)

// hWnd (HWND), msg (DWORD), wParam (WPARAM), lParam (LPARAM), plResult (LRESULT* out)
r1, _, err := procDwmDefWindowProc.Call(
	uintptr(hWnd),
	uintptr(msg),
	uintptr(wParam),
	uintptr(lParam),
	uintptr(plResult),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function DwmDefWindowProc(
  hWnd: THandle;   // HWND
  msg: DWORD;   // DWORD
  wParam: NativeUInt;   // WPARAM
  lParam: NativeInt;   // LPARAM
  plResult: Pointer   // LRESULT* out
): BOOL; stdcall;
  external 'dwmapi.dll' name 'DwmDefWindowProc';

result := DllCall("dwmapi\DwmDefWindowProc"
    , "Ptr", hWnd   ; HWND
    , "UInt", msg   ; DWORD
    , "UPtr", wParam   ; WPARAM
    , "Ptr", lParam   ; LPARAM
    , "Ptr", plResult   ; LRESULT* out
    , "Int")   ; return: BOOL

●DwmDefWindowProc(hWnd, msg, wParam, lParam, plResult) = DLL("dwmapi.dll", "bool DwmDefWindowProc(void*, dword, int, int, void*)")
# 呼び出し: DwmDefWindowProc(hWnd, msg, wParam, lParam, plResult)
# hWnd : HWND -> "void*"
# msg : DWORD -> "dword"
# wParam : WPARAM -> "int"
# lParam : LPARAM -> "int"
# plResult : LRESULT* 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 "dwmapi" fn DwmDefWindowProc(
    hWnd: ?*anyopaque, // HWND
    msg: u32, // DWORD
    wParam: usize, // WPARAM
    lParam: isize, // LPARAM
    plResult: [*c]isize // LRESULT* out
) callconv(std.os.windows.WINAPI) i32;

proc DwmDefWindowProc(
    hWnd: pointer,  # HWND
    msg: uint32,  # DWORD
    wParam: uint,  # WPARAM
    lParam: int,  # LPARAM
    plResult: ptr int  # LRESULT* out
): int32 {.importc: "DwmDefWindowProc", stdcall, dynlib: "dwmapi.dll".}

pragma(lib, "dwmapi");
extern(Windows)
int DwmDefWindowProc(
    void* hWnd,   // HWND
    uint msg,   // DWORD
    size_t wParam,   // WPARAM
    ptrdiff_t lParam,   // LPARAM
    ptrdiff_t* plResult   // LRESULT* out
);

ccall((:DwmDefWindowProc, "dwmapi.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt32, Csize_t, Int, Ptr{Int}),
      hWnd, msg, wParam, lParam, plResult)
# hWnd : HWND -> Ptr{Cvoid}
# msg : DWORD -> UInt32
# wParam : WPARAM -> Csize_t
# lParam : LPARAM -> Int
# plResult : LRESULT* out -> Ptr{Int}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t DwmDefWindowProc(
    void* hWnd,
    uint32_t msg,
    uintptr_t wParam,
    intptr_t lParam,
    intptr_t* plResult);
]]
local dwmapi = ffi.load("dwmapi")
-- dwmapi.DwmDefWindowProc(hWnd, msg, wParam, lParam, plResult)
-- hWnd : HWND
-- msg : DWORD
-- wParam : WPARAM
-- lParam : LPARAM
-- plResult : LRESULT* 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('dwmapi.dll');
const DwmDefWindowProc = lib.func('__stdcall', 'DwmDefWindowProc', 'int32_t', ['void *', 'uint32_t', 'uintptr_t', 'intptr_t', 'intptr_t *']);
// DwmDefWindowProc(hWnd, msg, wParam, lParam, plResult)
// hWnd : HWND -> 'void *'
// msg : DWORD -> 'uint32_t'
// wParam : WPARAM -> 'uintptr_t'
// lParam : LPARAM -> 'intptr_t'
// plResult : LRESULT* out -> 'intptr_t *'
// 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("dwmapi.dll", {
  DwmDefWindowProc: { parameters: ["pointer", "u32", "usize", "isize", "pointer"], result: "i32" },
});
// lib.symbols.DwmDefWindowProc(hWnd, msg, wParam, lParam, plResult)
// hWnd : HWND -> "pointer"
// msg : DWORD -> "u32"
// wParam : WPARAM -> "usize"
// lParam : LPARAM -> "isize"
// plResult : LRESULT* 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 DwmDefWindowProc(
    void* hWnd,
    uint32_t msg,
    size_t wParam,
    intptr_t lParam,
    intptr_t* plResult);
C, "dwmapi.dll");
// $ffi->DwmDefWindowProc(hWnd, msg, wParam, lParam, plResult);
// hWnd : HWND
// msg : DWORD
// wParam : WPARAM
// lParam : LPARAM
// plResult : LRESULT* 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 Dwmapi extends StdCallLibrary {
    Dwmapi INSTANCE = Native.load("dwmapi", Dwmapi.class);
    boolean DwmDefWindowProc(
        Pointer hWnd,   // HWND
        int msg,   // DWORD
        long wParam,   // WPARAM
        long lParam,   // LPARAM
        LongByReference plResult   // LRESULT* out
    );
}

@[Link("dwmapi")]
lib Libdwmapi
  fun DwmDefWindowProc = DwmDefWindowProc(
    hWnd : Void*,   # HWND
    msg : UInt32,   # DWORD
    wParam : LibC::SizeT,   # WPARAM
    lParam : LibC::SSizeT,   # LPARAM
    plResult : LibC::SSizeT*   # LRESULT* 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 DwmDefWindowProcNative = Int32 Function(Pointer<Void>, Uint32, UintPtr, IntPtr, Pointer<IntPtr>);
typedef DwmDefWindowProcDart = int Function(Pointer<Void>, int, int, int, Pointer<IntPtr>);
final DwmDefWindowProc = DynamicLibrary.open('dwmapi.dll')
    .lookupFunction<DwmDefWindowProcNative, DwmDefWindowProcDart>('DwmDefWindowProc');
// hWnd : HWND -> Pointer<Void>
// msg : DWORD -> Uint32
// wParam : WPARAM -> UintPtr
// lParam : LPARAM -> IntPtr
// plResult : LRESULT* out -> Pointer<IntPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DwmDefWindowProc(
  hWnd: THandle;   // HWND
  msg: DWORD;   // DWORD
  wParam: NativeUInt;   // WPARAM
  lParam: NativeInt;   // LPARAM
  plResult: Pointer   // LRESULT* out
): BOOL; stdcall;
  external 'dwmapi.dll' name 'DwmDefWindowProc';

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

foreign import stdcall safe "DwmDefWindowProc"
  c_DwmDefWindowProc :: Ptr () -> Word32 -> CUIntPtr -> CIntPtr -> Ptr CIntPtr -> IO CInt
-- hWnd : HWND -> Ptr ()
-- msg : DWORD -> Word32
-- wParam : WPARAM -> CUIntPtr
-- lParam : LPARAM -> CIntPtr
-- plResult : LRESULT* out -> Ptr CIntPtr
-- 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 dwmdefwindowproc =
  foreign "DwmDefWindowProc"
    ((ptr void) @-> uint32_t @-> size_t @-> intptr_t @-> (ptr intptr_t) @-> returning int32_t)
(* hWnd : HWND -> (ptr void) *)
(* msg : DWORD -> uint32_t *)
(* wParam : WPARAM -> size_t *)
(* lParam : LPARAM -> intptr_t *)
(* plResult : LRESULT* out -> (ptr intptr_t) *)
(* 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 dwmapi (t "dwmapi.dll"))
(cffi:use-foreign-library dwmapi)

(cffi:defcfun ("DwmDefWindowProc" dwm-def-window-proc :convention :stdcall) :int32
  (h-wnd :pointer)   ; HWND
  (msg :uint32)   ; DWORD
  (w-param :uint64)   ; WPARAM
  (l-param :int64)   ; LPARAM
  (pl-result :pointer))   ; LRESULT* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DwmDefWindowProc = Win32::API::More->new('dwmapi',
    'BOOL DwmDefWindowProc(HANDLE hWnd, DWORD msg, WPARAM wParam, LPARAM lParam, LPVOID plResult)');
# my $ret = $DwmDefWindowProc->Call($hWnd, $msg, $wParam, $lParam, $plResult);
# hWnd : HWND -> HANDLE
# msg : DWORD -> DWORD
# wParam : WPARAM -> WPARAM
# lParam : LPARAM -> LPARAM
# plResult : LRESULT* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。