RedrawWindow

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

BOOL RedrawWindow(
    HWND hWnd,   // optional
    const RECT* lprcUpdate,   // optional
    HRGN hrgnUpdate,   // optional
    REDRAW_WINDOW_FLAGS flags
);

<DllImport("USER32.dll", ExactSpelling:=True)>
Public Shared Function RedrawWindow(
    hWnd As IntPtr,   ' HWND optional
    lprcUpdate As IntPtr,   ' RECT* optional
    hrgnUpdate As IntPtr,   ' HRGN optional
    flags As UInteger   ' REDRAW_WINDOW_FLAGS
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hWnd : HWND optional
' lprcUpdate : RECT* optional
' hrgnUpdate : HRGN optional
' flags : REDRAW_WINDOW_FLAGS
Declare PtrSafe Function RedrawWindow Lib "user32" ( _
    ByVal hWnd As LongPtr, _
    ByVal lprcUpdate As LongPtr, _
    ByVal hrgnUpdate As LongPtr, _
    ByVal flags 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

RedrawWindow = ctypes.windll.user32.RedrawWindow
RedrawWindow.restype = wintypes.BOOL
RedrawWindow.argtypes = [
    wintypes.HANDLE,  # hWnd : HWND optional
    ctypes.c_void_p,  # lprcUpdate : RECT* optional
    wintypes.HANDLE,  # hrgnUpdate : HRGN optional
    wintypes.DWORD,  # flags : REDRAW_WINDOW_FLAGS
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
RedrawWindow = Fiddle::Function.new(
  lib['RedrawWindow'],
  [
    Fiddle::TYPE_VOIDP,  # hWnd : HWND optional
    Fiddle::TYPE_VOIDP,  # lprcUpdate : RECT* optional
    Fiddle::TYPE_VOIDP,  # hrgnUpdate : HRGN optional
    -Fiddle::TYPE_INT,  # flags : REDRAW_WINDOW_FLAGS
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn RedrawWindow(
        hWnd: *mut core::ffi::c_void,  // HWND optional
        lprcUpdate: *const RECT,  // RECT* optional
        hrgnUpdate: *mut core::ffi::c_void,  // HRGN optional
        flags: u32  // REDRAW_WINDOW_FLAGS
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll")]
public static extern bool RedrawWindow(IntPtr hWnd, IntPtr lprcUpdate, IntPtr hrgnUpdate, uint flags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_RedrawWindow' -Namespace Win32 -PassThru
# $api::RedrawWindow(hWnd, lprcUpdate, hrgnUpdate, flags)

#uselib "USER32.dll"
#func global RedrawWindow "RedrawWindow" sptr, sptr, sptr, sptr
; RedrawWindow hWnd, varptr(lprcUpdate), hrgnUpdate, flags   ; 戻り値は stat
; hWnd : HWND optional -> "sptr"
; lprcUpdate : RECT* optional -> "sptr"
; hrgnUpdate : HRGN optional -> "sptr"
; flags : REDRAW_WINDOW_FLAGS -> "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")
	procRedrawWindow = user32.NewProc("RedrawWindow")
)

// hWnd (HWND optional), lprcUpdate (RECT* optional), hrgnUpdate (HRGN optional), flags (REDRAW_WINDOW_FLAGS)
r1, _, err := procRedrawWindow.Call(
	uintptr(hWnd),
	uintptr(lprcUpdate),
	uintptr(hrgnUpdate),
	uintptr(flags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function RedrawWindow(
  hWnd: THandle;   // HWND optional
  lprcUpdate: Pointer;   // RECT* optional
  hrgnUpdate: THandle;   // HRGN optional
  flags: DWORD   // REDRAW_WINDOW_FLAGS
): BOOL; stdcall;
  external 'USER32.dll' name 'RedrawWindow';

result := DllCall("USER32\RedrawWindow"
    , "Ptr", hWnd   ; HWND optional
    , "Ptr", lprcUpdate   ; RECT* optional
    , "Ptr", hrgnUpdate   ; HRGN optional
    , "UInt", flags   ; REDRAW_WINDOW_FLAGS
    , "Int")   ; return: BOOL

●RedrawWindow(hWnd, lprcUpdate, hrgnUpdate, flags) = DLL("USER32.dll", "bool RedrawWindow(void*, void*, void*, dword)")
# 呼び出し: RedrawWindow(hWnd, lprcUpdate, hrgnUpdate, flags)
# hWnd : HWND optional -> "void*"
# lprcUpdate : RECT* optional -> "void*"
# hrgnUpdate : HRGN optional -> "void*"
# flags : REDRAW_WINDOW_FLAGS -> "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 RedrawWindow(
    hWnd: ?*anyopaque, // HWND optional
    lprcUpdate: [*c]RECT, // RECT* optional
    hrgnUpdate: ?*anyopaque, // HRGN optional
    flags: u32 // REDRAW_WINDOW_FLAGS
) callconv(std.os.windows.WINAPI) i32;

proc RedrawWindow(
    hWnd: pointer,  # HWND optional
    lprcUpdate: ptr RECT,  # RECT* optional
    hrgnUpdate: pointer,  # HRGN optional
    flags: uint32  # REDRAW_WINDOW_FLAGS
): int32 {.importc: "RedrawWindow", stdcall, dynlib: "USER32.dll".}

pragma(lib, "user32");
extern(Windows)
int RedrawWindow(
    void* hWnd,   // HWND optional
    RECT* lprcUpdate,   // RECT* optional
    void* hrgnUpdate,   // HRGN optional
    uint flags   // REDRAW_WINDOW_FLAGS
);

ccall((:RedrawWindow, "USER32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{RECT}, Ptr{Cvoid}, UInt32),
      hWnd, lprcUpdate, hrgnUpdate, flags)
# hWnd : HWND optional -> Ptr{Cvoid}
# lprcUpdate : RECT* optional -> Ptr{RECT}
# hrgnUpdate : HRGN optional -> Ptr{Cvoid}
# flags : REDRAW_WINDOW_FLAGS -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t RedrawWindow(
    void* hWnd,
    void* lprcUpdate,
    void* hrgnUpdate,
    uint32_t flags);
]]
local user32 = ffi.load("user32")
-- user32.RedrawWindow(hWnd, lprcUpdate, hrgnUpdate, flags)
-- hWnd : HWND optional
-- lprcUpdate : RECT* optional
-- hrgnUpdate : HRGN optional
-- flags : REDRAW_WINDOW_FLAGS
-- 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 RedrawWindow = lib.func('__stdcall', 'RedrawWindow', 'int32_t', ['void *', 'void *', 'void *', 'uint32_t']);
// RedrawWindow(hWnd, lprcUpdate, hrgnUpdate, flags)
// hWnd : HWND optional -> 'void *'
// lprcUpdate : RECT* optional -> 'void *'
// hrgnUpdate : HRGN optional -> 'void *'
// flags : REDRAW_WINDOW_FLAGS -> '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", {
  RedrawWindow: { parameters: ["pointer", "pointer", "pointer", "u32"], result: "i32" },
});
// lib.symbols.RedrawWindow(hWnd, lprcUpdate, hrgnUpdate, flags)
// hWnd : HWND optional -> "pointer"
// lprcUpdate : RECT* optional -> "pointer"
// hrgnUpdate : HRGN optional -> "pointer"
// flags : REDRAW_WINDOW_FLAGS -> "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 RedrawWindow(
    void* hWnd,
    void* lprcUpdate,
    void* hrgnUpdate,
    uint32_t flags);
C, "USER32.dll");
// $ffi->RedrawWindow(hWnd, lprcUpdate, hrgnUpdate, flags);
// hWnd : HWND optional
// lprcUpdate : RECT* optional
// hrgnUpdate : HRGN optional
// flags : REDRAW_WINDOW_FLAGS
// 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 RedrawWindow(
        Pointer hWnd,   // HWND optional
        Pointer lprcUpdate,   // RECT* optional
        Pointer hrgnUpdate,   // HRGN optional
        int flags   // REDRAW_WINDOW_FLAGS
    );
}

@[Link("user32")]
lib LibUSER32
  fun RedrawWindow = RedrawWindow(
    hWnd : Void*,   # HWND optional
    lprcUpdate : RECT*,   # RECT* optional
    hrgnUpdate : Void*,   # HRGN optional
    flags : UInt32   # REDRAW_WINDOW_FLAGS
  ) : 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 RedrawWindowNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, Uint32);
typedef RedrawWindowDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>, int);
final RedrawWindow = DynamicLibrary.open('USER32.dll')
    .lookupFunction<RedrawWindowNative, RedrawWindowDart>('RedrawWindow');
// hWnd : HWND optional -> Pointer<Void>
// lprcUpdate : RECT* optional -> Pointer<Void>
// hrgnUpdate : HRGN optional -> Pointer<Void>
// flags : REDRAW_WINDOW_FLAGS -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function RedrawWindow(
  hWnd: THandle;   // HWND optional
  lprcUpdate: Pointer;   // RECT* optional
  hrgnUpdate: THandle;   // HRGN optional
  flags: DWORD   // REDRAW_WINDOW_FLAGS
): BOOL; stdcall;
  external 'USER32.dll' name 'RedrawWindow';

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

foreign import stdcall safe "RedrawWindow"
  c_RedrawWindow :: Ptr () -> Ptr () -> Ptr () -> Word32 -> IO CInt
-- hWnd : HWND optional -> Ptr ()
-- lprcUpdate : RECT* optional -> Ptr ()
-- hrgnUpdate : HRGN optional -> Ptr ()
-- flags : REDRAW_WINDOW_FLAGS -> 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 redrawwindow =
  foreign "RedrawWindow"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* hWnd : HWND optional -> (ptr void) *)
(* lprcUpdate : RECT* optional -> (ptr void) *)
(* hrgnUpdate : HRGN optional -> (ptr void) *)
(* flags : REDRAW_WINDOW_FLAGS -> 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 ("RedrawWindow" redraw-window :convention :stdcall) :int32
  (h-wnd :pointer)   ; HWND optional
  (lprc-update :pointer)   ; RECT* optional
  (hrgn-update :pointer)   ; HRGN optional
  (flags :uint32))   ; REDRAW_WINDOW_FLAGS
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $RedrawWindow = Win32::API::More->new('USER32',
    'BOOL RedrawWindow(HANDLE hWnd, LPVOID lprcUpdate, HANDLE hrgnUpdate, DWORD flags)');
# my $ret = $RedrawWindow->Call($hWnd, $lprcUpdate, $hrgnUpdate, $flags);
# hWnd : HWND optional -> HANDLE
# lprcUpdate : RECT* optional -> LPVOID
# hrgnUpdate : HRGN optional -> HANDLE
# flags : REDRAW_WINDOW_FLAGS -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。