ExtCreatePen

// GDI32.dll
#include <windows.h>

HPEN ExtCreatePen(
    DWORD iPenStyle,
    DWORD cWidth,
    const LOGBRUSH* plbrush,
    DWORD cStyle,
    const DWORD* pstyle   // optional
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function ExtCreatePen(
    iPenStyle As UInteger,   ' DWORD
    cWidth As UInteger,   ' DWORD
    plbrush As IntPtr,   ' LOGBRUSH*
    cStyle As UInteger,   ' DWORD
    pstyle As IntPtr   ' DWORD* optional
) As IntPtr
End Function

' iPenStyle : DWORD
' cWidth : DWORD
' plbrush : LOGBRUSH*
' cStyle : DWORD
' pstyle : DWORD* optional
Declare PtrSafe Function ExtCreatePen Lib "gdi32" ( _
    ByVal iPenStyle As Long, _
    ByVal cWidth As Long, _
    ByVal plbrush As LongPtr, _
    ByVal cStyle As Long, _
    ByVal pstyle 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

ExtCreatePen = ctypes.windll.gdi32.ExtCreatePen
ExtCreatePen.restype = ctypes.c_void_p
ExtCreatePen.argtypes = [
    wintypes.DWORD,  # iPenStyle : DWORD
    wintypes.DWORD,  # cWidth : DWORD
    ctypes.c_void_p,  # plbrush : LOGBRUSH*
    wintypes.DWORD,  # cStyle : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pstyle : DWORD* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
ExtCreatePen = Fiddle::Function.new(
  lib['ExtCreatePen'],
  [
    -Fiddle::TYPE_INT,  # iPenStyle : DWORD
    -Fiddle::TYPE_INT,  # cWidth : DWORD
    Fiddle::TYPE_VOIDP,  # plbrush : LOGBRUSH*
    -Fiddle::TYPE_INT,  # cStyle : DWORD
    Fiddle::TYPE_VOIDP,  # pstyle : DWORD* optional
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "gdi32")]
extern "system" {
    fn ExtCreatePen(
        iPenStyle: u32,  // DWORD
        cWidth: u32,  // DWORD
        plbrush: *const LOGBRUSH,  // LOGBRUSH*
        cStyle: u32,  // DWORD
        pstyle: *const u32  // DWORD* optional
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GDI32.dll")]
public static extern IntPtr ExtCreatePen(uint iPenStyle, uint cWidth, IntPtr plbrush, uint cStyle, IntPtr pstyle);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_ExtCreatePen' -Namespace Win32 -PassThru
# $api::ExtCreatePen(iPenStyle, cWidth, plbrush, cStyle, pstyle)

#uselib "GDI32.dll"
#func global ExtCreatePen "ExtCreatePen" sptr, sptr, sptr, sptr, sptr
; ExtCreatePen iPenStyle, cWidth, varptr(plbrush), cStyle, varptr(pstyle)   ; 戻り値は stat
; iPenStyle : DWORD -> "sptr"
; cWidth : DWORD -> "sptr"
; plbrush : LOGBRUSH* -> "sptr"
; cStyle : DWORD -> "sptr"
; pstyle : DWORD* optional -> "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 (
	gdi32 = windows.NewLazySystemDLL("GDI32.dll")
	procExtCreatePen = gdi32.NewProc("ExtCreatePen")
)

// iPenStyle (DWORD), cWidth (DWORD), plbrush (LOGBRUSH*), cStyle (DWORD), pstyle (DWORD* optional)
r1, _, err := procExtCreatePen.Call(
	uintptr(iPenStyle),
	uintptr(cWidth),
	uintptr(plbrush),
	uintptr(cStyle),
	uintptr(pstyle),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HPEN

function ExtCreatePen(
  iPenStyle: DWORD;   // DWORD
  cWidth: DWORD;   // DWORD
  plbrush: Pointer;   // LOGBRUSH*
  cStyle: DWORD;   // DWORD
  pstyle: Pointer   // DWORD* optional
): THandle; stdcall;
  external 'GDI32.dll' name 'ExtCreatePen';

result := DllCall("GDI32\ExtCreatePen"
    , "UInt", iPenStyle   ; DWORD
    , "UInt", cWidth   ; DWORD
    , "Ptr", plbrush   ; LOGBRUSH*
    , "UInt", cStyle   ; DWORD
    , "Ptr", pstyle   ; DWORD* optional
    , "Ptr")   ; return: HPEN

●ExtCreatePen(iPenStyle, cWidth, plbrush, cStyle, pstyle) = DLL("GDI32.dll", "void* ExtCreatePen(dword, dword, void*, dword, void*)")
# 呼び出し: ExtCreatePen(iPenStyle, cWidth, plbrush, cStyle, pstyle)
# iPenStyle : DWORD -> "dword"
# cWidth : DWORD -> "dword"
# plbrush : LOGBRUSH* -> "void*"
# cStyle : DWORD -> "dword"
# pstyle : DWORD* optional -> "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 "gdi32" fn ExtCreatePen(
    iPenStyle: u32, // DWORD
    cWidth: u32, // DWORD
    plbrush: [*c]LOGBRUSH, // LOGBRUSH*
    cStyle: u32, // DWORD
    pstyle: [*c]u32 // DWORD* optional
) callconv(std.os.windows.WINAPI) ?*anyopaque;

proc ExtCreatePen(
    iPenStyle: uint32,  # DWORD
    cWidth: uint32,  # DWORD
    plbrush: ptr LOGBRUSH,  # LOGBRUSH*
    cStyle: uint32,  # DWORD
    pstyle: ptr uint32  # DWORD* optional
): pointer {.importc: "ExtCreatePen", stdcall, dynlib: "GDI32.dll".}

pragma(lib, "gdi32");
extern(Windows)
void* ExtCreatePen(
    uint iPenStyle,   // DWORD
    uint cWidth,   // DWORD
    LOGBRUSH* plbrush,   // LOGBRUSH*
    uint cStyle,   // DWORD
    uint* pstyle   // DWORD* optional
);

ccall((:ExtCreatePen, "GDI32.dll"), stdcall, Ptr{Cvoid},
      (UInt32, UInt32, Ptr{LOGBRUSH}, UInt32, Ptr{UInt32}),
      iPenStyle, cWidth, plbrush, cStyle, pstyle)
# iPenStyle : DWORD -> UInt32
# cWidth : DWORD -> UInt32
# plbrush : LOGBRUSH* -> Ptr{LOGBRUSH}
# cStyle : DWORD -> UInt32
# pstyle : DWORD* optional -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void* ExtCreatePen(
    uint32_t iPenStyle,
    uint32_t cWidth,
    void* plbrush,
    uint32_t cStyle,
    uint32_t* pstyle);
]]
local gdi32 = ffi.load("gdi32")
-- gdi32.ExtCreatePen(iPenStyle, cWidth, plbrush, cStyle, pstyle)
-- iPenStyle : DWORD
-- cWidth : DWORD
-- plbrush : LOGBRUSH*
-- cStyle : DWORD
-- pstyle : DWORD* optional
-- 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('GDI32.dll');
const ExtCreatePen = lib.func('__stdcall', 'ExtCreatePen', 'void *', ['uint32_t', 'uint32_t', 'void *', 'uint32_t', 'uint32_t *']);
// ExtCreatePen(iPenStyle, cWidth, plbrush, cStyle, pstyle)
// iPenStyle : DWORD -> 'uint32_t'
// cWidth : DWORD -> 'uint32_t'
// plbrush : LOGBRUSH* -> 'void *'
// cStyle : DWORD -> 'uint32_t'
// pstyle : DWORD* optional -> '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("GDI32.dll", {
  ExtCreatePen: { parameters: ["u32", "u32", "pointer", "u32", "pointer"], result: "pointer" },
});
// lib.symbols.ExtCreatePen(iPenStyle, cWidth, plbrush, cStyle, pstyle)
// iPenStyle : DWORD -> "u32"
// cWidth : DWORD -> "u32"
// plbrush : LOGBRUSH* -> "pointer"
// cStyle : DWORD -> "u32"
// pstyle : DWORD* optional -> "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* ExtCreatePen(
    uint32_t iPenStyle,
    uint32_t cWidth,
    void* plbrush,
    uint32_t cStyle,
    uint32_t* pstyle);
C, "GDI32.dll");
// $ffi->ExtCreatePen(iPenStyle, cWidth, plbrush, cStyle, pstyle);
// iPenStyle : DWORD
// cWidth : DWORD
// plbrush : LOGBRUSH*
// cStyle : DWORD
// pstyle : DWORD* optional
// 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 Gdi32 extends StdCallLibrary {
    Gdi32 INSTANCE = Native.load("gdi32", Gdi32.class);
    Pointer ExtCreatePen(
        int iPenStyle,   // DWORD
        int cWidth,   // DWORD
        Pointer plbrush,   // LOGBRUSH*
        int cStyle,   // DWORD
        IntByReference pstyle   // DWORD* optional
    );
}

@[Link("gdi32")]
lib LibGDI32
  fun ExtCreatePen = ExtCreatePen(
    iPenStyle : UInt32,   # DWORD
    cWidth : UInt32,   # DWORD
    plbrush : LOGBRUSH*,   # LOGBRUSH*
    cStyle : UInt32,   # DWORD
    pstyle : UInt32*   # DWORD* optional
  ) : 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 ExtCreatePenNative = Pointer<Void> Function(Uint32, Uint32, Pointer<Void>, Uint32, Pointer<Uint32>);
typedef ExtCreatePenDart = Pointer<Void> Function(int, int, Pointer<Void>, int, Pointer<Uint32>);
final ExtCreatePen = DynamicLibrary.open('GDI32.dll')
    .lookupFunction<ExtCreatePenNative, ExtCreatePenDart>('ExtCreatePen');
// iPenStyle : DWORD -> Uint32
// cWidth : DWORD -> Uint32
// plbrush : LOGBRUSH* -> Pointer<Void>
// cStyle : DWORD -> Uint32
// pstyle : DWORD* optional -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function ExtCreatePen(
  iPenStyle: DWORD;   // DWORD
  cWidth: DWORD;   // DWORD
  plbrush: Pointer;   // LOGBRUSH*
  cStyle: DWORD;   // DWORD
  pstyle: Pointer   // DWORD* optional
): THandle; stdcall;
  external 'GDI32.dll' name 'ExtCreatePen';

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

foreign import stdcall safe "ExtCreatePen"
  c_ExtCreatePen :: Word32 -> Word32 -> Ptr () -> Word32 -> Ptr Word32 -> IO (Ptr ())
-- iPenStyle : DWORD -> Word32
-- cWidth : DWORD -> Word32
-- plbrush : LOGBRUSH* -> Ptr ()
-- cStyle : DWORD -> Word32
-- pstyle : DWORD* optional -> 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 extcreatepen =
  foreign "ExtCreatePen"
    (uint32_t @-> uint32_t @-> (ptr void) @-> uint32_t @-> (ptr uint32_t) @-> returning (ptr void))
(* iPenStyle : DWORD -> uint32_t *)
(* cWidth : DWORD -> uint32_t *)
(* plbrush : LOGBRUSH* -> (ptr void) *)
(* cStyle : DWORD -> uint32_t *)
(* pstyle : DWORD* optional -> (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 gdi32 (t "GDI32.dll"))
(cffi:use-foreign-library gdi32)

(cffi:defcfun ("ExtCreatePen" ext-create-pen :convention :stdcall) :pointer
  (i-pen-style :uint32)   ; DWORD
  (c-width :uint32)   ; DWORD
  (plbrush :pointer)   ; LOGBRUSH*
  (c-style :uint32)   ; DWORD
  (pstyle :pointer))   ; DWORD* optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $ExtCreatePen = Win32::API::More->new('GDI32',
    'HANDLE ExtCreatePen(DWORD iPenStyle, DWORD cWidth, LPVOID plbrush, DWORD cStyle, LPVOID pstyle)');
# my $ret = $ExtCreatePen->Call($iPenStyle, $cWidth, $plbrush, $cStyle, $pstyle);
# iPenStyle : DWORD -> DWORD
# cWidth : DWORD -> DWORD
# plbrush : LOGBRUSH* -> LPVOID
# cStyle : DWORD -> DWORD
# pstyle : DWORD* optional -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。