DdeClientTransaction

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

HDDEDATA DdeClientTransaction(
    BYTE* pData,   // optional
    DWORD cbData,
    HCONV hConv,
    HSZ hszItem,   // optional
    DWORD wFmt,
    DDE_CLIENT_TRANSACTION_TYPE wType,
    DWORD dwTimeout,
    DWORD* pdwResult   // optional
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function DdeClientTransaction(
    pData As IntPtr,   ' BYTE* optional
    cbData As UInteger,   ' DWORD
    hConv As IntPtr,   ' HCONV
    hszItem As IntPtr,   ' HSZ optional
    wFmt As UInteger,   ' DWORD
    wType As UInteger,   ' DDE_CLIENT_TRANSACTION_TYPE
    dwTimeout As UInteger,   ' DWORD
    pdwResult As IntPtr   ' DWORD* optional, out
) As IntPtr
End Function

' pData : BYTE* optional
' cbData : DWORD
' hConv : HCONV
' hszItem : HSZ optional
' wFmt : DWORD
' wType : DDE_CLIENT_TRANSACTION_TYPE
' dwTimeout : DWORD
' pdwResult : DWORD* optional, out
Declare PtrSafe Function DdeClientTransaction Lib "user32" ( _
    ByVal pData As LongPtr, _
    ByVal cbData As Long, _
    ByVal hConv As LongPtr, _
    ByVal hszItem As LongPtr, _
    ByVal wFmt As Long, _
    ByVal wType As Long, _
    ByVal dwTimeout As Long, _
    ByVal pdwResult 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

DdeClientTransaction = ctypes.windll.user32.DdeClientTransaction
DdeClientTransaction.restype = ctypes.c_void_p
DdeClientTransaction.argtypes = [
    ctypes.POINTER(ctypes.c_ubyte),  # pData : BYTE* optional
    wintypes.DWORD,  # cbData : DWORD
    wintypes.HANDLE,  # hConv : HCONV
    wintypes.HANDLE,  # hszItem : HSZ optional
    wintypes.DWORD,  # wFmt : DWORD
    wintypes.DWORD,  # wType : DDE_CLIENT_TRANSACTION_TYPE
    wintypes.DWORD,  # dwTimeout : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pdwResult : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
DdeClientTransaction = Fiddle::Function.new(
  lib['DdeClientTransaction'],
  [
    Fiddle::TYPE_VOIDP,  # pData : BYTE* optional
    -Fiddle::TYPE_INT,  # cbData : DWORD
    Fiddle::TYPE_VOIDP,  # hConv : HCONV
    Fiddle::TYPE_VOIDP,  # hszItem : HSZ optional
    -Fiddle::TYPE_INT,  # wFmt : DWORD
    -Fiddle::TYPE_INT,  # wType : DDE_CLIENT_TRANSACTION_TYPE
    -Fiddle::TYPE_INT,  # dwTimeout : DWORD
    Fiddle::TYPE_VOIDP,  # pdwResult : DWORD* optional, out
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "user32")]
extern "system" {
    fn DdeClientTransaction(
        pData: *mut u8,  // BYTE* optional
        cbData: u32,  // DWORD
        hConv: *mut core::ffi::c_void,  // HCONV
        hszItem: *mut core::ffi::c_void,  // HSZ optional
        wFmt: u32,  // DWORD
        wType: u32,  // DDE_CLIENT_TRANSACTION_TYPE
        dwTimeout: u32,  // DWORD
        pdwResult: *mut u32  // DWORD* optional, out
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll")]
public static extern IntPtr DdeClientTransaction(IntPtr pData, uint cbData, IntPtr hConv, IntPtr hszItem, uint wFmt, uint wType, uint dwTimeout, IntPtr pdwResult);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_DdeClientTransaction' -Namespace Win32 -PassThru
# $api::DdeClientTransaction(pData, cbData, hConv, hszItem, wFmt, wType, dwTimeout, pdwResult)

#uselib "USER32.dll"
#func global DdeClientTransaction "DdeClientTransaction" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; DdeClientTransaction varptr(pData), cbData, hConv, hszItem, wFmt, wType, dwTimeout, varptr(pdwResult)   ; 戻り値は stat
; pData : BYTE* optional -> "sptr"
; cbData : DWORD -> "sptr"
; hConv : HCONV -> "sptr"
; hszItem : HSZ optional -> "sptr"
; wFmt : DWORD -> "sptr"
; wType : DDE_CLIENT_TRANSACTION_TYPE -> "sptr"
; dwTimeout : DWORD -> "sptr"
; pdwResult : DWORD* optional, 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 (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procDdeClientTransaction = user32.NewProc("DdeClientTransaction")
)

// pData (BYTE* optional), cbData (DWORD), hConv (HCONV), hszItem (HSZ optional), wFmt (DWORD), wType (DDE_CLIENT_TRANSACTION_TYPE), dwTimeout (DWORD), pdwResult (DWORD* optional, out)
r1, _, err := procDdeClientTransaction.Call(
	uintptr(pData),
	uintptr(cbData),
	uintptr(hConv),
	uintptr(hszItem),
	uintptr(wFmt),
	uintptr(wType),
	uintptr(dwTimeout),
	uintptr(pdwResult),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HDDEDATA

function DdeClientTransaction(
  pData: Pointer;   // BYTE* optional
  cbData: DWORD;   // DWORD
  hConv: THandle;   // HCONV
  hszItem: THandle;   // HSZ optional
  wFmt: DWORD;   // DWORD
  wType: DWORD;   // DDE_CLIENT_TRANSACTION_TYPE
  dwTimeout: DWORD;   // DWORD
  pdwResult: Pointer   // DWORD* optional, out
): THandle; stdcall;
  external 'USER32.dll' name 'DdeClientTransaction';

result := DllCall("USER32\DdeClientTransaction"
    , "Ptr", pData   ; BYTE* optional
    , "UInt", cbData   ; DWORD
    , "Ptr", hConv   ; HCONV
    , "Ptr", hszItem   ; HSZ optional
    , "UInt", wFmt   ; DWORD
    , "UInt", wType   ; DDE_CLIENT_TRANSACTION_TYPE
    , "UInt", dwTimeout   ; DWORD
    , "Ptr", pdwResult   ; DWORD* optional, out
    , "Ptr")   ; return: HDDEDATA

●DdeClientTransaction(pData, cbData, hConv, hszItem, wFmt, wType, dwTimeout, pdwResult) = DLL("USER32.dll", "void* DdeClientTransaction(void*, dword, void*, void*, dword, dword, dword, void*)")
# 呼び出し: DdeClientTransaction(pData, cbData, hConv, hszItem, wFmt, wType, dwTimeout, pdwResult)
# pData : BYTE* optional -> "void*"
# cbData : DWORD -> "dword"
# hConv : HCONV -> "void*"
# hszItem : HSZ optional -> "void*"
# wFmt : DWORD -> "dword"
# wType : DDE_CLIENT_TRANSACTION_TYPE -> "dword"
# dwTimeout : DWORD -> "dword"
# pdwResult : DWORD* optional, 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 "user32" fn DdeClientTransaction(
    pData: [*c]u8, // BYTE* optional
    cbData: u32, // DWORD
    hConv: ?*anyopaque, // HCONV
    hszItem: ?*anyopaque, // HSZ optional
    wFmt: u32, // DWORD
    wType: u32, // DDE_CLIENT_TRANSACTION_TYPE
    dwTimeout: u32, // DWORD
    pdwResult: [*c]u32 // DWORD* optional, out
) callconv(std.os.windows.WINAPI) ?*anyopaque;

proc DdeClientTransaction(
    pData: ptr uint8,  # BYTE* optional
    cbData: uint32,  # DWORD
    hConv: pointer,  # HCONV
    hszItem: pointer,  # HSZ optional
    wFmt: uint32,  # DWORD
    wType: uint32,  # DDE_CLIENT_TRANSACTION_TYPE
    dwTimeout: uint32,  # DWORD
    pdwResult: ptr uint32  # DWORD* optional, out
): pointer {.importc: "DdeClientTransaction", stdcall, dynlib: "USER32.dll".}

pragma(lib, "user32");
extern(Windows)
void* DdeClientTransaction(
    ubyte* pData,   // BYTE* optional
    uint cbData,   // DWORD
    void* hConv,   // HCONV
    void* hszItem,   // HSZ optional
    uint wFmt,   // DWORD
    uint wType,   // DDE_CLIENT_TRANSACTION_TYPE
    uint dwTimeout,   // DWORD
    uint* pdwResult   // DWORD* optional, out
);

ccall((:DdeClientTransaction, "USER32.dll"), stdcall, Ptr{Cvoid},
      (Ptr{UInt8}, UInt32, Ptr{Cvoid}, Ptr{Cvoid}, UInt32, UInt32, UInt32, Ptr{UInt32}),
      pData, cbData, hConv, hszItem, wFmt, wType, dwTimeout, pdwResult)
# pData : BYTE* optional -> Ptr{UInt8}
# cbData : DWORD -> UInt32
# hConv : HCONV -> Ptr{Cvoid}
# hszItem : HSZ optional -> Ptr{Cvoid}
# wFmt : DWORD -> UInt32
# wType : DDE_CLIENT_TRANSACTION_TYPE -> UInt32
# dwTimeout : DWORD -> UInt32
# pdwResult : DWORD* optional, out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void* DdeClientTransaction(
    uint8_t* pData,
    uint32_t cbData,
    void* hConv,
    void* hszItem,
    uint32_t wFmt,
    uint32_t wType,
    uint32_t dwTimeout,
    uint32_t* pdwResult);
]]
local user32 = ffi.load("user32")
-- user32.DdeClientTransaction(pData, cbData, hConv, hszItem, wFmt, wType, dwTimeout, pdwResult)
-- pData : BYTE* optional
-- cbData : DWORD
-- hConv : HCONV
-- hszItem : HSZ optional
-- wFmt : DWORD
-- wType : DDE_CLIENT_TRANSACTION_TYPE
-- dwTimeout : DWORD
-- pdwResult : DWORD* optional, 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('USER32.dll');
const DdeClientTransaction = lib.func('__stdcall', 'DdeClientTransaction', 'void *', ['uint8_t *', 'uint32_t', 'void *', 'void *', 'uint32_t', 'uint32_t', 'uint32_t', 'uint32_t *']);
// DdeClientTransaction(pData, cbData, hConv, hszItem, wFmt, wType, dwTimeout, pdwResult)
// pData : BYTE* optional -> 'uint8_t *'
// cbData : DWORD -> 'uint32_t'
// hConv : HCONV -> 'void *'
// hszItem : HSZ optional -> 'void *'
// wFmt : DWORD -> 'uint32_t'
// wType : DDE_CLIENT_TRANSACTION_TYPE -> 'uint32_t'
// dwTimeout : DWORD -> 'uint32_t'
// pdwResult : DWORD* optional, out -> '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", {
  DdeClientTransaction: { parameters: ["pointer", "u32", "pointer", "pointer", "u32", "u32", "u32", "pointer"], result: "pointer" },
});
// lib.symbols.DdeClientTransaction(pData, cbData, hConv, hszItem, wFmt, wType, dwTimeout, pdwResult)
// pData : BYTE* optional -> "pointer"
// cbData : DWORD -> "u32"
// hConv : HCONV -> "pointer"
// hszItem : HSZ optional -> "pointer"
// wFmt : DWORD -> "u32"
// wType : DDE_CLIENT_TRANSACTION_TYPE -> "u32"
// dwTimeout : DWORD -> "u32"
// pdwResult : DWORD* optional, 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
void* DdeClientTransaction(
    uint8_t* pData,
    uint32_t cbData,
    void* hConv,
    void* hszItem,
    uint32_t wFmt,
    uint32_t wType,
    uint32_t dwTimeout,
    uint32_t* pdwResult);
C, "USER32.dll");
// $ffi->DdeClientTransaction(pData, cbData, hConv, hszItem, wFmt, wType, dwTimeout, pdwResult);
// pData : BYTE* optional
// cbData : DWORD
// hConv : HCONV
// hszItem : HSZ optional
// wFmt : DWORD
// wType : DDE_CLIENT_TRANSACTION_TYPE
// dwTimeout : DWORD
// pdwResult : DWORD* optional, 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 User32 extends StdCallLibrary {
    User32 INSTANCE = Native.load("user32", User32.class);
    Pointer DdeClientTransaction(
        byte[] pData,   // BYTE* optional
        int cbData,   // DWORD
        Pointer hConv,   // HCONV
        Pointer hszItem,   // HSZ optional
        int wFmt,   // DWORD
        int wType,   // DDE_CLIENT_TRANSACTION_TYPE
        int dwTimeout,   // DWORD
        IntByReference pdwResult   // DWORD* optional, out
    );
}

@[Link("user32")]
lib LibUSER32
  fun DdeClientTransaction = DdeClientTransaction(
    pData : UInt8*,   # BYTE* optional
    cbData : UInt32,   # DWORD
    hConv : Void*,   # HCONV
    hszItem : Void*,   # HSZ optional
    wFmt : UInt32,   # DWORD
    wType : UInt32,   # DDE_CLIENT_TRANSACTION_TYPE
    dwTimeout : UInt32,   # DWORD
    pdwResult : UInt32*   # DWORD* optional, out
  ) : Void*
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 DdeClientTransactionNative = Pointer<Void> Function(Pointer<Uint8>, Uint32, Pointer<Void>, Pointer<Void>, Uint32, Uint32, Uint32, Pointer<Uint32>);
typedef DdeClientTransactionDart = Pointer<Void> Function(Pointer<Uint8>, int, Pointer<Void>, Pointer<Void>, int, int, int, Pointer<Uint32>);
final DdeClientTransaction = DynamicLibrary.open('USER32.dll')
    .lookupFunction<DdeClientTransactionNative, DdeClientTransactionDart>('DdeClientTransaction');
// pData : BYTE* optional -> Pointer<Uint8>
// cbData : DWORD -> Uint32
// hConv : HCONV -> Pointer<Void>
// hszItem : HSZ optional -> Pointer<Void>
// wFmt : DWORD -> Uint32
// wType : DDE_CLIENT_TRANSACTION_TYPE -> Uint32
// dwTimeout : DWORD -> Uint32
// pdwResult : DWORD* optional, out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DdeClientTransaction(
  pData: Pointer;   // BYTE* optional
  cbData: DWORD;   // DWORD
  hConv: THandle;   // HCONV
  hszItem: THandle;   // HSZ optional
  wFmt: DWORD;   // DWORD
  wType: DWORD;   // DDE_CLIENT_TRANSACTION_TYPE
  dwTimeout: DWORD;   // DWORD
  pdwResult: Pointer   // DWORD* optional, out
): THandle; stdcall;
  external 'USER32.dll' name 'DdeClientTransaction';

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

foreign import stdcall safe "DdeClientTransaction"
  c_DdeClientTransaction :: Ptr Word8 -> Word32 -> Ptr () -> Ptr () -> Word32 -> Word32 -> Word32 -> Ptr Word32 -> IO (Ptr ())
-- pData : BYTE* optional -> Ptr Word8
-- cbData : DWORD -> Word32
-- hConv : HCONV -> Ptr ()
-- hszItem : HSZ optional -> Ptr ()
-- wFmt : DWORD -> Word32
-- wType : DDE_CLIENT_TRANSACTION_TYPE -> Word32
-- dwTimeout : DWORD -> Word32
-- pdwResult : DWORD* optional, out -> Ptr 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 ddeclienttransaction =
  foreign "DdeClientTransaction"
    ((ptr uint8_t) @-> uint32_t @-> (ptr void) @-> (ptr void) @-> uint32_t @-> uint32_t @-> uint32_t @-> (ptr uint32_t) @-> returning (ptr void))
(* pData : BYTE* optional -> (ptr uint8_t) *)
(* cbData : DWORD -> uint32_t *)
(* hConv : HCONV -> (ptr void) *)
(* hszItem : HSZ optional -> (ptr void) *)
(* wFmt : DWORD -> uint32_t *)
(* wType : DDE_CLIENT_TRANSACTION_TYPE -> uint32_t *)
(* dwTimeout : DWORD -> uint32_t *)
(* pdwResult : DWORD* optional, out -> (ptr 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 ("DdeClientTransaction" dde-client-transaction :convention :stdcall) :pointer
  (p-data :pointer)   ; BYTE* optional
  (cb-data :uint32)   ; DWORD
  (h-conv :pointer)   ; HCONV
  (hsz-item :pointer)   ; HSZ optional
  (w-fmt :uint32)   ; DWORD
  (w-type :uint32)   ; DDE_CLIENT_TRANSACTION_TYPE
  (dw-timeout :uint32)   ; DWORD
  (pdw-result :pointer))   ; DWORD* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DdeClientTransaction = Win32::API::More->new('USER32',
    'HANDLE DdeClientTransaction(LPVOID pData, DWORD cbData, HANDLE hConv, HANDLE hszItem, DWORD wFmt, DWORD wType, DWORD dwTimeout, LPVOID pdwResult)');
# my $ret = $DdeClientTransaction->Call($pData, $cbData, $hConv, $hszItem, $wFmt, $wType, $dwTimeout, $pdwResult);
# pData : BYTE* optional -> LPVOID
# cbData : DWORD -> DWORD
# hConv : HCONV -> HANDLE
# hszItem : HSZ optional -> HANDLE
# wFmt : DWORD -> DWORD
# wType : DDE_CLIENT_TRANSACTION_TYPE -> DWORD
# dwTimeout : DWORD -> DWORD
# pdwResult : DWORD* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。