DdeEnableCallback

// USER32.dll
#include <windows.h>

BOOL DdeEnableCallback(
    DWORD idInst,
    HCONV hConv,
    DDE_ENABLE_CALLBACK_CMD wCmd
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function DdeEnableCallback(
    idInst As UInteger,   ' DWORD
    hConv As IntPtr,   ' HCONV
    wCmd As UInteger   ' DDE_ENABLE_CALLBACK_CMD
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' idInst : DWORD
' hConv : HCONV
' wCmd : DDE_ENABLE_CALLBACK_CMD
Declare PtrSafe Function DdeEnableCallback Lib "user32" ( _
    ByVal idInst As Long, _
    ByVal hConv As LongPtr, _
    ByVal wCmd As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DdeEnableCallback = ctypes.windll.user32.DdeEnableCallback
DdeEnableCallback.restype = wintypes.BOOL
DdeEnableCallback.argtypes = [
    wintypes.DWORD,  # idInst : DWORD
    wintypes.HANDLE,  # hConv : HCONV
    wintypes.DWORD,  # wCmd : DDE_ENABLE_CALLBACK_CMD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
DdeEnableCallback = Fiddle::Function.new(
  lib['DdeEnableCallback'],
  [
    -Fiddle::TYPE_INT,  # idInst : DWORD
    Fiddle::TYPE_VOIDP,  # hConv : HCONV
    -Fiddle::TYPE_INT,  # wCmd : DDE_ENABLE_CALLBACK_CMD
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn DdeEnableCallback(
        idInst: u32,  // DWORD
        hConv: *mut core::ffi::c_void,  // HCONV
        wCmd: u32  // DDE_ENABLE_CALLBACK_CMD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll")]
public static extern bool DdeEnableCallback(uint idInst, IntPtr hConv, uint wCmd);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_DdeEnableCallback' -Namespace Win32 -PassThru
# $api::DdeEnableCallback(idInst, hConv, wCmd)

#uselib "USER32.dll"
#func global DdeEnableCallback "DdeEnableCallback" sptr, sptr, sptr
; DdeEnableCallback idInst, hConv, wCmd   ; 戻り値は stat
; idInst : DWORD -> "sptr"
; hConv : HCONV -> "sptr"
; wCmd : DDE_ENABLE_CALLBACK_CMD -> "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 "USER32.dll"
#cfunc global DdeEnableCallback "DdeEnableCallback" int, sptr, int
; res = DdeEnableCallback(idInst, hConv, wCmd)
; idInst : DWORD -> "int"
; hConv : HCONV -> "sptr"
; wCmd : DDE_ENABLE_CALLBACK_CMD -> "int"

; BOOL DdeEnableCallback(DWORD idInst, HCONV hConv, DDE_ENABLE_CALLBACK_CMD wCmd)
#uselib "USER32.dll"
#cfunc global DdeEnableCallback "DdeEnableCallback" int, intptr, int
; res = DdeEnableCallback(idInst, hConv, wCmd)
; idInst : DWORD -> "int"
; hConv : HCONV -> "intptr"
; wCmd : DDE_ENABLE_CALLBACK_CMD -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procDdeEnableCallback = user32.NewProc("DdeEnableCallback")
)

// idInst (DWORD), hConv (HCONV), wCmd (DDE_ENABLE_CALLBACK_CMD)
r1, _, err := procDdeEnableCallback.Call(
	uintptr(idInst),
	uintptr(hConv),
	uintptr(wCmd),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function DdeEnableCallback(
  idInst: DWORD;   // DWORD
  hConv: THandle;   // HCONV
  wCmd: DWORD   // DDE_ENABLE_CALLBACK_CMD
): BOOL; stdcall;
  external 'USER32.dll' name 'DdeEnableCallback';

result := DllCall("USER32\DdeEnableCallback"
    , "UInt", idInst   ; DWORD
    , "Ptr", hConv   ; HCONV
    , "UInt", wCmd   ; DDE_ENABLE_CALLBACK_CMD
    , "Int")   ; return: BOOL

●DdeEnableCallback(idInst, hConv, wCmd) = DLL("USER32.dll", "bool DdeEnableCallback(dword, void*, dword)")
# 呼び出し: DdeEnableCallback(idInst, hConv, wCmd)
# idInst : DWORD -> "dword"
# hConv : HCONV -> "void*"
# wCmd : DDE_ENABLE_CALLBACK_CMD -> "dword"
# 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 "user32" fn DdeEnableCallback(
    idInst: u32, // DWORD
    hConv: ?*anyopaque, // HCONV
    wCmd: u32 // DDE_ENABLE_CALLBACK_CMD
) callconv(std.os.windows.WINAPI) i32;

proc DdeEnableCallback(
    idInst: uint32,  # DWORD
    hConv: pointer,  # HCONV
    wCmd: uint32  # DDE_ENABLE_CALLBACK_CMD
): int32 {.importc: "DdeEnableCallback", stdcall, dynlib: "USER32.dll".}

pragma(lib, "user32");
extern(Windows)
int DdeEnableCallback(
    uint idInst,   // DWORD
    void* hConv,   // HCONV
    uint wCmd   // DDE_ENABLE_CALLBACK_CMD
);

ccall((:DdeEnableCallback, "USER32.dll"), stdcall, Int32,
      (UInt32, Ptr{Cvoid}, UInt32),
      idInst, hConv, wCmd)
# idInst : DWORD -> UInt32
# hConv : HCONV -> Ptr{Cvoid}
# wCmd : DDE_ENABLE_CALLBACK_CMD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t DdeEnableCallback(
    uint32_t idInst,
    void* hConv,
    uint32_t wCmd);
]]
local user32 = ffi.load("user32")
-- user32.DdeEnableCallback(idInst, hConv, wCmd)
-- idInst : DWORD
-- hConv : HCONV
-- wCmd : DDE_ENABLE_CALLBACK_CMD
-- 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('USER32.dll');
const DdeEnableCallback = lib.func('__stdcall', 'DdeEnableCallback', 'int32_t', ['uint32_t', 'void *', 'uint32_t']);
// DdeEnableCallback(idInst, hConv, wCmd)
// idInst : DWORD -> 'uint32_t'
// hConv : HCONV -> 'void *'
// wCmd : DDE_ENABLE_CALLBACK_CMD -> 'uint32_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("USER32.dll", {
  DdeEnableCallback: { parameters: ["u32", "pointer", "u32"], result: "i32" },
});
// lib.symbols.DdeEnableCallback(idInst, hConv, wCmd)
// idInst : DWORD -> "u32"
// hConv : HCONV -> "pointer"
// wCmd : DDE_ENABLE_CALLBACK_CMD -> "u32"
// 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 DdeEnableCallback(
    uint32_t idInst,
    void* hConv,
    uint32_t wCmd);
C, "USER32.dll");
// $ffi->DdeEnableCallback(idInst, hConv, wCmd);
// idInst : DWORD
// hConv : HCONV
// wCmd : DDE_ENABLE_CALLBACK_CMD
// 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 User32 extends StdCallLibrary {
    User32 INSTANCE = Native.load("user32", User32.class);
    boolean DdeEnableCallback(
        int idInst,   // DWORD
        Pointer hConv,   // HCONV
        int wCmd   // DDE_ENABLE_CALLBACK_CMD
    );
}

@[Link("user32")]
lib LibUSER32
  fun DdeEnableCallback = DdeEnableCallback(
    idInst : UInt32,   # DWORD
    hConv : Void*,   # HCONV
    wCmd : UInt32   # DDE_ENABLE_CALLBACK_CMD
  ) : 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 DdeEnableCallbackNative = Int32 Function(Uint32, Pointer<Void>, Uint32);
typedef DdeEnableCallbackDart = int Function(int, Pointer<Void>, int);
final DdeEnableCallback = DynamicLibrary.open('USER32.dll')
    .lookupFunction<DdeEnableCallbackNative, DdeEnableCallbackDart>('DdeEnableCallback');
// idInst : DWORD -> Uint32
// hConv : HCONV -> Pointer<Void>
// wCmd : DDE_ENABLE_CALLBACK_CMD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DdeEnableCallback(
  idInst: DWORD;   // DWORD
  hConv: THandle;   // HCONV
  wCmd: DWORD   // DDE_ENABLE_CALLBACK_CMD
): BOOL; stdcall;
  external 'USER32.dll' name 'DdeEnableCallback';

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

foreign import stdcall safe "DdeEnableCallback"
  c_DdeEnableCallback :: Word32 -> Ptr () -> Word32 -> IO CInt
-- idInst : DWORD -> Word32
-- hConv : HCONV -> Ptr ()
-- wCmd : DDE_ENABLE_CALLBACK_CMD -> Word32
-- 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 ddeenablecallback =
  foreign "DdeEnableCallback"
    (uint32_t @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* idInst : DWORD -> uint32_t *)
(* hConv : HCONV -> (ptr void) *)
(* wCmd : DDE_ENABLE_CALLBACK_CMD -> uint32_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 user32 (t "USER32.dll"))
(cffi:use-foreign-library user32)

(cffi:defcfun ("DdeEnableCallback" dde-enable-callback :convention :stdcall) :int32
  (id-inst :uint32)   ; DWORD
  (h-conv :pointer)   ; HCONV
  (w-cmd :uint32))   ; DDE_ENABLE_CALLBACK_CMD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DdeEnableCallback = Win32::API::More->new('USER32',
    'BOOL DdeEnableCallback(DWORD idInst, HANDLE hConv, DWORD wCmd)');
# my $ret = $DdeEnableCallback->Call($idInst, $hConv, $wCmd);
# idInst : DWORD -> DWORD
# hConv : HCONV -> HANDLE
# wCmd : DDE_ENABLE_CALLBACK_CMD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。