SendDlgItemMessageA

// USER32.dll  (ANSI / -A)
#include <windows.h>

LRESULT SendDlgItemMessageA(
    HWND hDlg,
    INT nIDDlgItem,
    DWORD Msg,
    WPARAM wParam,
    LPARAM lParam
);

<DllImport("USER32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function SendDlgItemMessageA(
    hDlg As IntPtr,   ' HWND
    nIDDlgItem As Integer,   ' INT
    Msg As UInteger,   ' DWORD
    wParam As UIntPtr,   ' WPARAM
    lParam As IntPtr   ' LPARAM
) As IntPtr
End Function

' hDlg : HWND
' nIDDlgItem : INT
' Msg : DWORD
' wParam : WPARAM
' lParam : LPARAM
Declare PtrSafe Function SendDlgItemMessageA Lib "user32" ( _
    ByVal hDlg As LongPtr, _
    ByVal nIDDlgItem As Long, _
    ByVal Msg 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

SendDlgItemMessageA = ctypes.windll.user32.SendDlgItemMessageA
SendDlgItemMessageA.restype = ctypes.c_ssize_t
SendDlgItemMessageA.argtypes = [
    wintypes.HANDLE,  # hDlg : HWND
    ctypes.c_int,  # nIDDlgItem : INT
    wintypes.DWORD,  # Msg : DWORD
    ctypes.c_size_t,  # wParam : WPARAM
    ctypes.c_ssize_t,  # lParam : LPARAM
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
SendDlgItemMessageA = Fiddle::Function.new(
  lib['SendDlgItemMessageA'],
  [
    Fiddle::TYPE_VOIDP,  # hDlg : HWND
    Fiddle::TYPE_INT,  # nIDDlgItem : INT
    -Fiddle::TYPE_INT,  # Msg : DWORD
    Fiddle::TYPE_UINTPTR_T,  # wParam : WPARAM
    Fiddle::TYPE_INTPTR_T,  # lParam : LPARAM
  ],
  Fiddle::TYPE_INTPTR_T)

#[link(name = "user32")]
extern "system" {
    fn SendDlgItemMessageA(
        hDlg: *mut core::ffi::c_void,  // HWND
        nIDDlgItem: i32,  // INT
        Msg: u32,  // DWORD
        wParam: usize,  // WPARAM
        lParam: isize  // LPARAM
    ) -> isize;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("USER32.dll", CharSet = CharSet.Ansi)]
public static extern IntPtr SendDlgItemMessageA(IntPtr hDlg, int nIDDlgItem, uint Msg, UIntPtr wParam, IntPtr lParam);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_SendDlgItemMessageA' -Namespace Win32 -PassThru
# $api::SendDlgItemMessageA(hDlg, nIDDlgItem, Msg, wParam, lParam)

#uselib "USER32.dll"
#func global SendDlgItemMessageA "SendDlgItemMessageA" sptr, sptr, sptr, sptr, sptr
; SendDlgItemMessageA hDlg, nIDDlgItem, Msg, wParam, lParam   ; 戻り値は stat
; hDlg : HWND -> "sptr"
; nIDDlgItem : INT -> "sptr"
; Msg : 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 "USER32.dll"
#cfunc global SendDlgItemMessageA "SendDlgItemMessageA" sptr, int, int, sptr, sptr
; res = SendDlgItemMessageA(hDlg, nIDDlgItem, Msg, wParam, lParam)
; hDlg : HWND -> "sptr"
; nIDDlgItem : INT -> "int"
; Msg : DWORD -> "int"
; wParam : WPARAM -> "sptr"
; lParam : LPARAM -> "sptr"

; LRESULT SendDlgItemMessageA(HWND hDlg, INT nIDDlgItem, DWORD Msg, WPARAM wParam, LPARAM lParam)
#uselib "USER32.dll"
#cfunc global SendDlgItemMessageA "SendDlgItemMessageA" intptr, int, int, intptr, intptr
; res = SendDlgItemMessageA(hDlg, nIDDlgItem, Msg, wParam, lParam)
; hDlg : HWND -> "intptr"
; nIDDlgItem : INT -> "int"
; Msg : DWORD -> "int"
; wParam : WPARAM -> "intptr"
; lParam : LPARAM -> "intptr"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procSendDlgItemMessageA = user32.NewProc("SendDlgItemMessageA")
)

// hDlg (HWND), nIDDlgItem (INT), Msg (DWORD), wParam (WPARAM), lParam (LPARAM)
r1, _, err := procSendDlgItemMessageA.Call(
	uintptr(hDlg),
	uintptr(nIDDlgItem),
	uintptr(Msg),
	uintptr(wParam),
	uintptr(lParam),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // LRESULT

function SendDlgItemMessageA(
  hDlg: THandle;   // HWND
  nIDDlgItem: Integer;   // INT
  Msg: DWORD;   // DWORD
  wParam: NativeUInt;   // WPARAM
  lParam: NativeInt   // LPARAM
): NativeInt; stdcall;
  external 'USER32.dll' name 'SendDlgItemMessageA';

result := DllCall("USER32\SendDlgItemMessageA"
    , "Ptr", hDlg   ; HWND
    , "Int", nIDDlgItem   ; INT
    , "UInt", Msg   ; DWORD
    , "UPtr", wParam   ; WPARAM
    , "Ptr", lParam   ; LPARAM
    , "Ptr")   ; return: LRESULT

●SendDlgItemMessageA(hDlg, nIDDlgItem, Msg, wParam, lParam) = DLL("USER32.dll", "int SendDlgItemMessageA(void*, int, dword, int, int)")
# 呼び出し: SendDlgItemMessageA(hDlg, nIDDlgItem, Msg, wParam, lParam)
# hDlg : HWND -> "void*"
# nIDDlgItem : INT -> "int"
# Msg : 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 "user32" fn SendDlgItemMessageA(
    hDlg: ?*anyopaque, // HWND
    nIDDlgItem: i32, // INT
    Msg: u32, // DWORD
    wParam: usize, // WPARAM
    lParam: isize // LPARAM
) callconv(std.os.windows.WINAPI) isize;

proc SendDlgItemMessageA(
    hDlg: pointer,  # HWND
    nIDDlgItem: int32,  # INT
    Msg: uint32,  # DWORD
    wParam: uint,  # WPARAM
    lParam: int  # LPARAM
): int {.importc: "SendDlgItemMessageA", stdcall, dynlib: "USER32.dll".}

pragma(lib, "user32");
extern(Windows)
ptrdiff_t SendDlgItemMessageA(
    void* hDlg,   // HWND
    int nIDDlgItem,   // INT
    uint Msg,   // DWORD
    size_t wParam,   // WPARAM
    ptrdiff_t lParam   // LPARAM
);

ccall((:SendDlgItemMessageA, "USER32.dll"), stdcall, Int,
      (Ptr{Cvoid}, Int32, UInt32, Csize_t, Int),
      hDlg, nIDDlgItem, Msg, wParam, lParam)
# hDlg : HWND -> Ptr{Cvoid}
# nIDDlgItem : INT -> Int32
# Msg : 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 SendDlgItemMessageA(
    void* hDlg,
    int32_t nIDDlgItem,
    uint32_t Msg,
    uintptr_t wParam,
    intptr_t lParam);
]]
local user32 = ffi.load("user32")
-- user32.SendDlgItemMessageA(hDlg, nIDDlgItem, Msg, wParam, lParam)
-- hDlg : HWND
-- nIDDlgItem : INT
-- Msg : 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('USER32.dll');
const SendDlgItemMessageA = lib.func('__stdcall', 'SendDlgItemMessageA', 'intptr_t', ['void *', 'int32_t', 'uint32_t', 'uintptr_t', 'intptr_t']);
// SendDlgItemMessageA(hDlg, nIDDlgItem, Msg, wParam, lParam)
// hDlg : HWND -> 'void *'
// nIDDlgItem : INT -> 'int32_t'
// Msg : 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("USER32.dll", {
  SendDlgItemMessageA: { parameters: ["pointer", "i32", "u32", "usize", "isize"], result: "isize" },
});
// lib.symbols.SendDlgItemMessageA(hDlg, nIDDlgItem, Msg, wParam, lParam)
// hDlg : HWND -> "pointer"
// nIDDlgItem : INT -> "i32"
// Msg : DWORD -> "u32"
// wParam : WPARAM -> "usize"
// lParam : LPARAM -> "isize"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
intptr_t SendDlgItemMessageA(
    void* hDlg,
    int32_t nIDDlgItem,
    uint32_t Msg,
    size_t wParam,
    intptr_t lParam);
C, "USER32.dll");
// $ffi->SendDlgItemMessageA(hDlg, nIDDlgItem, Msg, wParam, lParam);
// hDlg : HWND
// nIDDlgItem : INT
// Msg : 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 User32 extends StdCallLibrary {
    User32 INSTANCE = Native.load("user32", User32.class, W32APIOptions.ASCII_OPTIONS);
    long SendDlgItemMessageA(
        Pointer hDlg,   // HWND
        int nIDDlgItem,   // INT
        int Msg,   // DWORD
        long wParam,   // WPARAM
        long lParam   // LPARAM
    );
}

@[Link("user32")]
lib LibUSER32
  fun SendDlgItemMessageA = SendDlgItemMessageA(
    hDlg : Void*,   # HWND
    nIDDlgItem : Int32,   # INT
    Msg : 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 SendDlgItemMessageANative = IntPtr Function(Pointer<Void>, Int32, Uint32, UintPtr, IntPtr);
typedef SendDlgItemMessageADart = int Function(Pointer<Void>, int, int, int, int);
final SendDlgItemMessageA = DynamicLibrary.open('USER32.dll')
    .lookupFunction<SendDlgItemMessageANative, SendDlgItemMessageADart>('SendDlgItemMessageA');
// hDlg : HWND -> Pointer<Void>
// nIDDlgItem : INT -> Int32
// Msg : DWORD -> Uint32
// wParam : WPARAM -> UintPtr
// lParam : LPARAM -> IntPtr
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SendDlgItemMessageA(
  hDlg: THandle;   // HWND
  nIDDlgItem: Integer;   // INT
  Msg: DWORD;   // DWORD
  wParam: NativeUInt;   // WPARAM
  lParam: NativeInt   // LPARAM
): NativeInt; stdcall;
  external 'USER32.dll' name 'SendDlgItemMessageA';

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

foreign import stdcall safe "SendDlgItemMessageA"
  c_SendDlgItemMessageA :: Ptr () -> Int32 -> Word32 -> CUIntPtr -> CIntPtr -> IO CIntPtr
-- hDlg : HWND -> Ptr ()
-- nIDDlgItem : INT -> Int32
-- Msg : 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 senddlgitemmessagea =
  foreign "SendDlgItemMessageA"
    ((ptr void) @-> int32_t @-> uint32_t @-> size_t @-> intptr_t @-> returning intptr_t)
(* hDlg : HWND -> (ptr void) *)
(* nIDDlgItem : INT -> int32_t *)
(* Msg : 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 user32 (t "USER32.dll"))
(cffi:use-foreign-library user32)

(cffi:defcfun ("SendDlgItemMessageA" send-dlg-item-message-a :convention :stdcall) :int64
  (h-dlg :pointer)   ; HWND
  (n-iddlg-item :int32)   ; INT
  (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 $SendDlgItemMessageA = Win32::API::More->new('USER32',
    'LPARAM SendDlgItemMessageA(HANDLE hDlg, int nIDDlgItem, DWORD Msg, WPARAM wParam, LPARAM lParam)');
# my $ret = $SendDlgItemMessageA->Call($hDlg, $nIDDlgItem, $Msg, $wParam, $lParam);
# hDlg : HWND -> HANDLE
# nIDDlgItem : INT -> int
# Msg : 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。