CreateEllipticRgnIndirect

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

HRGN CreateEllipticRgnIndirect(
    const RECT* lprect
);

<DllImport("GDI32.dll", ExactSpelling:=True)>
Public Shared Function CreateEllipticRgnIndirect(
    lprect As IntPtr   ' RECT*
) As IntPtr
End Function

' lprect : RECT*
Declare PtrSafe Function CreateEllipticRgnIndirect Lib "gdi32" ( _
    ByVal lprect 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

CreateEllipticRgnIndirect = ctypes.windll.gdi32.CreateEllipticRgnIndirect
CreateEllipticRgnIndirect.restype = ctypes.c_void_p
CreateEllipticRgnIndirect.argtypes = [
    ctypes.c_void_p,  # lprect : RECT*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('GDI32.dll')
CreateEllipticRgnIndirect = Fiddle::Function.new(
  lib['CreateEllipticRgnIndirect'],
  [
    Fiddle::TYPE_VOIDP,  # lprect : RECT*
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "gdi32")]
extern "system" {
    fn CreateEllipticRgnIndirect(
        lprect: *const RECT  // RECT*
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("GDI32.dll")]
public static extern IntPtr CreateEllipticRgnIndirect(IntPtr lprect);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_CreateEllipticRgnIndirect' -Namespace Win32 -PassThru
# $api::CreateEllipticRgnIndirect(lprect)

#uselib "GDI32.dll"
#func global CreateEllipticRgnIndirect "CreateEllipticRgnIndirect" sptr
; CreateEllipticRgnIndirect varptr(lprect)   ; 戻り値は stat
; lprect : RECT* -> "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")
	procCreateEllipticRgnIndirect = gdi32.NewProc("CreateEllipticRgnIndirect")
)

// lprect (RECT*)
r1, _, err := procCreateEllipticRgnIndirect.Call(
	uintptr(lprect),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRGN

function CreateEllipticRgnIndirect(
  lprect: Pointer   // RECT*
): THandle; stdcall;
  external 'GDI32.dll' name 'CreateEllipticRgnIndirect';

result := DllCall("GDI32\CreateEllipticRgnIndirect"
    , "Ptr", lprect   ; RECT*
    , "Ptr")   ; return: HRGN

●CreateEllipticRgnIndirect(lprect) = DLL("GDI32.dll", "void* CreateEllipticRgnIndirect(void*)")
# 呼び出し: CreateEllipticRgnIndirect(lprect)
# lprect : RECT* -> "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 CreateEllipticRgnIndirect(
    lprect: [*c]RECT // RECT*
) callconv(std.os.windows.WINAPI) ?*anyopaque;

proc CreateEllipticRgnIndirect(
    lprect: ptr RECT  # RECT*
): pointer {.importc: "CreateEllipticRgnIndirect", stdcall, dynlib: "GDI32.dll".}

pragma(lib, "gdi32");
extern(Windows)
void* CreateEllipticRgnIndirect(
    RECT* lprect   // RECT*
);

ccall((:CreateEllipticRgnIndirect, "GDI32.dll"), stdcall, Ptr{Cvoid},
      (Ptr{RECT},),
      lprect)
# lprect : RECT* -> Ptr{RECT}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void* CreateEllipticRgnIndirect(
    void* lprect);
]]
local gdi32 = ffi.load("gdi32")
-- gdi32.CreateEllipticRgnIndirect(lprect)
-- lprect : RECT*
-- 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 CreateEllipticRgnIndirect = lib.func('__stdcall', 'CreateEllipticRgnIndirect', 'void *', ['void *']);
// CreateEllipticRgnIndirect(lprect)
// lprect : RECT* -> 'void *'
// 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", {
  CreateEllipticRgnIndirect: { parameters: ["pointer"], result: "pointer" },
});
// lib.symbols.CreateEllipticRgnIndirect(lprect)
// lprect : RECT* -> "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* CreateEllipticRgnIndirect(
    void* lprect);
C, "GDI32.dll");
// $ffi->CreateEllipticRgnIndirect(lprect);
// lprect : RECT*
// 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 CreateEllipticRgnIndirect(
        Pointer lprect   // RECT*
    );
}

@[Link("gdi32")]
lib LibGDI32
  fun CreateEllipticRgnIndirect = CreateEllipticRgnIndirect(
    lprect : RECT*   # RECT*
  ) : 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 CreateEllipticRgnIndirectNative = Pointer<Void> Function(Pointer<Void>);
typedef CreateEllipticRgnIndirectDart = Pointer<Void> Function(Pointer<Void>);
final CreateEllipticRgnIndirect = DynamicLibrary.open('GDI32.dll')
    .lookupFunction<CreateEllipticRgnIndirectNative, CreateEllipticRgnIndirectDart>('CreateEllipticRgnIndirect');
// lprect : RECT* -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CreateEllipticRgnIndirect(
  lprect: Pointer   // RECT*
): THandle; stdcall;
  external 'GDI32.dll' name 'CreateEllipticRgnIndirect';

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

foreign import stdcall safe "CreateEllipticRgnIndirect"
  c_CreateEllipticRgnIndirect :: Ptr () -> IO (Ptr ())
-- lprect : RECT* -> Ptr ()
-- 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 createellipticrgnindirect =
  foreign "CreateEllipticRgnIndirect"
    ((ptr void) @-> returning (ptr void))
(* lprect : RECT* -> (ptr void) *)
(* 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 ("CreateEllipticRgnIndirect" create-elliptic-rgn-indirect :convention :stdcall) :pointer
  (lprect :pointer))   ; RECT*
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CreateEllipticRgnIndirect = Win32::API::More->new('GDI32',
    'HANDLE CreateEllipticRgnIndirect(LPVOID lprect)');
# my $ret = $CreateEllipticRgnIndirect->Call($lprect);
# lprect : RECT* -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。