DefSubclassProc

// COMCTL32.dll
#include <windows.h>

LRESULT DefSubclassProc(
    HWND hWnd,
    DWORD uMsg,
    WPARAM wParam,
    LPARAM lParam
);

<DllImport("COMCTL32.dll", ExactSpelling:=True)>
Public Shared Function DefSubclassProc(
    hWnd As IntPtr,   ' HWND
    uMsg As UInteger,   ' DWORD
    wParam As UIntPtr,   ' WPARAM
    lParam As IntPtr   ' LPARAM
) As IntPtr
End Function

' hWnd : HWND
' uMsg : DWORD
' wParam : WPARAM
' lParam : LPARAM
Declare PtrSafe Function DefSubclassProc Lib "comctl32" ( _
    ByVal hWnd As LongPtr, _
    ByVal uMsg As Long, _
    ByVal wParam As LongPtr, _
    ByVal lParam 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

DefSubclassProc = ctypes.windll.comctl32.DefSubclassProc
DefSubclassProc.restype = ctypes.c_ssize_t
DefSubclassProc.argtypes = [
    wintypes.HANDLE,  # hWnd : HWND
    wintypes.DWORD,  # uMsg : DWORD
    ctypes.c_size_t,  # wParam : WPARAM
    ctypes.c_ssize_t,  # lParam : LPARAM
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('COMCTL32.dll')
DefSubclassProc = Fiddle::Function.new(
  lib['DefSubclassProc'],
  [
    Fiddle::TYPE_VOIDP,  # hWnd : HWND
    -Fiddle::TYPE_INT,  # uMsg : DWORD
    Fiddle::TYPE_UINTPTR_T,  # wParam : WPARAM
    Fiddle::TYPE_INTPTR_T,  # lParam : LPARAM
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "comctl32")]
extern "system" {
    fn DefSubclassProc(
        hWnd: *mut core::ffi::c_void,  // HWND
        uMsg: u32,  // DWORD
        wParam: usize,  // WPARAM
        lParam: isize  // LPARAM
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("COMCTL32.dll")]
public static extern IntPtr DefSubclassProc(IntPtr hWnd, uint uMsg, UIntPtr wParam, IntPtr lParam);
"@
$api = Add-Type -MemberDefinition $sig -Name 'COMCTL32_DefSubclassProc' -Namespace Win32 -PassThru
# $api::DefSubclassProc(hWnd, uMsg, wParam, lParam)

#uselib "COMCTL32.dll"
#func global DefSubclassProc "DefSubclassProc" sptr, sptr, sptr, sptr
; DefSubclassProc hWnd, uMsg, wParam, lParam   ; 戻り値は stat
; hWnd : HWND -> "sptr"
; uMsg : DWORD -> "sptr"
; wParam : WPARAM -> "sptr"
; lParam : LPARAM -> "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 "COMCTL32.dll"
#cfunc global DefSubclassProc "DefSubclassProc" sptr, int, sptr, sptr
; res = DefSubclassProc(hWnd, uMsg, wParam, lParam)
; hWnd : HWND -> "sptr"
; uMsg : DWORD -> "int"
; wParam : WPARAM -> "sptr"
; lParam : LPARAM -> "sptr"

; LRESULT DefSubclassProc(HWND hWnd, DWORD uMsg, WPARAM wParam, LPARAM lParam)
#uselib "COMCTL32.dll"
#cfunc global DefSubclassProc "DefSubclassProc" intptr, int, intptr, intptr
; res = DefSubclassProc(hWnd, uMsg, wParam, lParam)
; hWnd : HWND -> "intptr"
; uMsg : DWORD -> "int"
; wParam : WPARAM -> "intptr"
; lParam : LPARAM -> "intptr"

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

var (
	comctl32 = windows.NewLazySystemDLL("COMCTL32.dll")
	procDefSubclassProc = comctl32.NewProc("DefSubclassProc")
)

// hWnd (HWND), uMsg (DWORD), wParam (WPARAM), lParam (LPARAM)
r1, _, err := procDefSubclassProc.Call(
	uintptr(hWnd),
	uintptr(uMsg),
	uintptr(wParam),
	uintptr(lParam),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LRESULT

function DefSubclassProc(
  hWnd: THandle;   // HWND
  uMsg: DWORD;   // DWORD
  wParam: NativeUInt;   // WPARAM
  lParam: NativeInt   // LPARAM
): NativeInt; stdcall;
  external 'COMCTL32.dll' name 'DefSubclassProc';

result := DllCall("COMCTL32\DefSubclassProc"
    , "Ptr", hWnd   ; HWND
    , "UInt", uMsg   ; DWORD
    , "UPtr", wParam   ; WPARAM
    , "Ptr", lParam   ; LPARAM
    , "Ptr")   ; return: LRESULT

●DefSubclassProc(hWnd, uMsg, wParam, lParam) = DLL("COMCTL32.dll", "int DefSubclassProc(void*, dword, int, int)")
# 呼び出し: DefSubclassProc(hWnd, uMsg, wParam, lParam)
# hWnd : HWND -> "void*"
# uMsg : DWORD -> "dword"
# wParam : WPARAM -> "int"
# lParam : LPARAM -> "int"
# 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 "comctl32" fn DefSubclassProc(
    hWnd: ?*anyopaque, // HWND
    uMsg: u32, // DWORD
    wParam: usize, // WPARAM
    lParam: isize // LPARAM
) callconv(std.os.windows.WINAPI) isize;

proc DefSubclassProc(
    hWnd: pointer,  # HWND
    uMsg: uint32,  # DWORD
    wParam: uint,  # WPARAM
    lParam: int  # LPARAM
): int {.importc: "DefSubclassProc", stdcall, dynlib: "COMCTL32.dll".}

pragma(lib, "comctl32");
extern(Windows)
ptrdiff_t DefSubclassProc(
    void* hWnd,   // HWND
    uint uMsg,   // DWORD
    size_t wParam,   // WPARAM
    ptrdiff_t lParam   // LPARAM
);

ccall((:DefSubclassProc, "COMCTL32.dll"), stdcall, Int,
      (Ptr{Cvoid}, UInt32, Csize_t, Int),
      hWnd, uMsg, wParam, lParam)
# hWnd : HWND -> Ptr{Cvoid}
# uMsg : DWORD -> UInt32
# wParam : WPARAM -> Csize_t
# lParam : LPARAM -> Int
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
intptr_t DefSubclassProc(
    void* hWnd,
    uint32_t uMsg,
    uintptr_t wParam,
    intptr_t lParam);
]]
local comctl32 = ffi.load("comctl32")
-- comctl32.DefSubclassProc(hWnd, uMsg, wParam, lParam)
-- hWnd : HWND
-- uMsg : DWORD
-- wParam : WPARAM
-- lParam : LPARAM
-- 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('COMCTL32.dll');
const DefSubclassProc = lib.func('__stdcall', 'DefSubclassProc', 'intptr_t', ['void *', 'uint32_t', 'uintptr_t', 'intptr_t']);
// DefSubclassProc(hWnd, uMsg, wParam, lParam)
// hWnd : HWND -> 'void *'
// uMsg : DWORD -> 'uint32_t'
// wParam : WPARAM -> 'uintptr_t'
// lParam : LPARAM -> '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("COMCTL32.dll", {
  DefSubclassProc: { parameters: ["pointer", "u32", "usize", "isize"], result: "isize" },
});
// lib.symbols.DefSubclassProc(hWnd, uMsg, wParam, lParam)
// hWnd : HWND -> "pointer"
// uMsg : DWORD -> "u32"
// wParam : WPARAM -> "usize"
// lParam : LPARAM -> "isize"
// 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
intptr_t DefSubclassProc(
    void* hWnd,
    uint32_t uMsg,
    size_t wParam,
    intptr_t lParam);
C, "COMCTL32.dll");
// $ffi->DefSubclassProc(hWnd, uMsg, wParam, lParam);
// hWnd : HWND
// uMsg : DWORD
// wParam : WPARAM
// lParam : LPARAM
// 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 Comctl32 extends StdCallLibrary {
    Comctl32 INSTANCE = Native.load("comctl32", Comctl32.class);
    long DefSubclassProc(
        Pointer hWnd,   // HWND
        int uMsg,   // DWORD
        long wParam,   // WPARAM
        long lParam   // LPARAM
    );
}

@[Link("comctl32")]
lib LibCOMCTL32
  fun DefSubclassProc = DefSubclassProc(
    hWnd : Void*,   # HWND
    uMsg : UInt32,   # DWORD
    wParam : LibC::SizeT,   # WPARAM
    lParam : LibC::SSizeT   # LPARAM
  ) : LibC::SSizeT
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 DefSubclassProcNative = IntPtr Function(Pointer<Void>, Uint32, UintPtr, IntPtr);
typedef DefSubclassProcDart = int Function(Pointer<Void>, int, int, int);
final DefSubclassProc = DynamicLibrary.open('COMCTL32.dll')
    .lookupFunction<DefSubclassProcNative, DefSubclassProcDart>('DefSubclassProc');
// hWnd : HWND -> Pointer<Void>
// uMsg : DWORD -> Uint32
// wParam : WPARAM -> UintPtr
// lParam : LPARAM -> IntPtr
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DefSubclassProc(
  hWnd: THandle;   // HWND
  uMsg: DWORD;   // DWORD
  wParam: NativeUInt;   // WPARAM
  lParam: NativeInt   // LPARAM
): NativeInt; stdcall;
  external 'COMCTL32.dll' name 'DefSubclassProc';

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

foreign import stdcall safe "DefSubclassProc"
  c_DefSubclassProc :: Ptr () -> Word32 -> CUIntPtr -> CIntPtr -> IO CIntPtr
-- hWnd : HWND -> Ptr ()
-- uMsg : DWORD -> Word32
-- wParam : WPARAM -> CUIntPtr
-- lParam : LPARAM -> 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 defsubclassproc =
  foreign "DefSubclassProc"
    ((ptr void) @-> uint32_t @-> size_t @-> intptr_t @-> returning intptr_t)
(* hWnd : HWND -> (ptr void) *)
(* uMsg : DWORD -> uint32_t *)
(* wParam : WPARAM -> size_t *)
(* lParam : LPARAM -> 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 comctl32 (t "COMCTL32.dll"))
(cffi:use-foreign-library comctl32)

(cffi:defcfun ("DefSubclassProc" def-subclass-proc :convention :stdcall) :int64
  (h-wnd :pointer)   ; HWND
  (u-msg :uint32)   ; DWORD
  (w-param :uint64)   ; WPARAM
  (l-param :int64))   ; LPARAM
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DefSubclassProc = Win32::API::More->new('COMCTL32',
    'LPARAM DefSubclassProc(HANDLE hWnd, DWORD uMsg, WPARAM wParam, LPARAM lParam)');
# my $ret = $DefSubclassProc->Call($hWnd, $uMsg, $wParam, $lParam);
# hWnd : HWND -> HANDLE
# uMsg : DWORD -> DWORD
# wParam : WPARAM -> WPARAM
# lParam : LPARAM -> LPARAM
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。