SetWindowDisplayAffinity

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

BOOL SetWindowDisplayAffinity(
    HWND hWnd,
    WINDOW_DISPLAY_AFFINITY dwAffinity
);

<DllImport("USER32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function SetWindowDisplayAffinity(
    hWnd As IntPtr,   ' HWND
    dwAffinity As UInteger   ' WINDOW_DISPLAY_AFFINITY
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hWnd : HWND
' dwAffinity : WINDOW_DISPLAY_AFFINITY
Declare PtrSafe Function SetWindowDisplayAffinity Lib "user32" ( _
    ByVal hWnd As LongPtr, _
    ByVal dwAffinity 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

SetWindowDisplayAffinity = ctypes.windll.user32.SetWindowDisplayAffinity
SetWindowDisplayAffinity.restype = wintypes.BOOL
SetWindowDisplayAffinity.argtypes = [
    wintypes.HANDLE,  # hWnd : HWND
    wintypes.DWORD,  # dwAffinity : WINDOW_DISPLAY_AFFINITY
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('USER32.dll')
SetWindowDisplayAffinity = Fiddle::Function.new(
  lib['SetWindowDisplayAffinity'],
  [
    Fiddle::TYPE_VOIDP,  # hWnd : HWND
    -Fiddle::TYPE_INT,  # dwAffinity : WINDOW_DISPLAY_AFFINITY
  ],
  Fiddle::TYPE_INT)

#[link(name = "user32")]
extern "system" {
    fn SetWindowDisplayAffinity(
        hWnd: *mut core::ffi::c_void,  // HWND
        dwAffinity: u32  // WINDOW_DISPLAY_AFFINITY
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("USER32.dll", SetLastError = true)]
public static extern bool SetWindowDisplayAffinity(IntPtr hWnd, uint dwAffinity);
"@
$api = Add-Type -MemberDefinition $sig -Name 'USER32_SetWindowDisplayAffinity' -Namespace Win32 -PassThru
# $api::SetWindowDisplayAffinity(hWnd, dwAffinity)

#uselib "USER32.dll"
#func global SetWindowDisplayAffinity "SetWindowDisplayAffinity" sptr, sptr
; SetWindowDisplayAffinity hWnd, dwAffinity   ; 戻り値は stat
; hWnd : HWND -> "sptr"
; dwAffinity : WINDOW_DISPLAY_AFFINITY -> "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 SetWindowDisplayAffinity "SetWindowDisplayAffinity" sptr, int
; res = SetWindowDisplayAffinity(hWnd, dwAffinity)
; hWnd : HWND -> "sptr"
; dwAffinity : WINDOW_DISPLAY_AFFINITY -> "int"

; BOOL SetWindowDisplayAffinity(HWND hWnd, WINDOW_DISPLAY_AFFINITY dwAffinity)
#uselib "USER32.dll"
#cfunc global SetWindowDisplayAffinity "SetWindowDisplayAffinity" intptr, int
; res = SetWindowDisplayAffinity(hWnd, dwAffinity)
; hWnd : HWND -> "intptr"
; dwAffinity : WINDOW_DISPLAY_AFFINITY -> "int"

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

var (
	user32 = windows.NewLazySystemDLL("USER32.dll")
	procSetWindowDisplayAffinity = user32.NewProc("SetWindowDisplayAffinity")
)

// hWnd (HWND), dwAffinity (WINDOW_DISPLAY_AFFINITY)
r1, _, err := procSetWindowDisplayAffinity.Call(
	uintptr(hWnd),
	uintptr(dwAffinity),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function SetWindowDisplayAffinity(
  hWnd: THandle;   // HWND
  dwAffinity: DWORD   // WINDOW_DISPLAY_AFFINITY
): BOOL; stdcall;
  external 'USER32.dll' name 'SetWindowDisplayAffinity';

result := DllCall("USER32\SetWindowDisplayAffinity"
    , "Ptr", hWnd   ; HWND
    , "UInt", dwAffinity   ; WINDOW_DISPLAY_AFFINITY
    , "Int")   ; return: BOOL

●SetWindowDisplayAffinity(hWnd, dwAffinity) = DLL("USER32.dll", "bool SetWindowDisplayAffinity(void*, dword)")
# 呼び出し: SetWindowDisplayAffinity(hWnd, dwAffinity)
# hWnd : HWND -> "void*"
# dwAffinity : WINDOW_DISPLAY_AFFINITY -> "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 SetWindowDisplayAffinity(
    hWnd: ?*anyopaque, // HWND
    dwAffinity: u32 // WINDOW_DISPLAY_AFFINITY
) callconv(std.os.windows.WINAPI) i32;

proc SetWindowDisplayAffinity(
    hWnd: pointer,  # HWND
    dwAffinity: uint32  # WINDOW_DISPLAY_AFFINITY
): int32 {.importc: "SetWindowDisplayAffinity", stdcall, dynlib: "USER32.dll".}

pragma(lib, "user32");
extern(Windows)
int SetWindowDisplayAffinity(
    void* hWnd,   // HWND
    uint dwAffinity   // WINDOW_DISPLAY_AFFINITY
);

ccall((:SetWindowDisplayAffinity, "USER32.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt32),
      hWnd, dwAffinity)
# hWnd : HWND -> Ptr{Cvoid}
# dwAffinity : WINDOW_DISPLAY_AFFINITY -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t SetWindowDisplayAffinity(
    void* hWnd,
    uint32_t dwAffinity);
]]
local user32 = ffi.load("user32")
-- user32.SetWindowDisplayAffinity(hWnd, dwAffinity)
-- hWnd : HWND
-- dwAffinity : WINDOW_DISPLAY_AFFINITY
-- 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 SetWindowDisplayAffinity = lib.func('__stdcall', 'SetWindowDisplayAffinity', 'int32_t', ['void *', 'uint32_t']);
// SetWindowDisplayAffinity(hWnd, dwAffinity)
// hWnd : HWND -> 'void *'
// dwAffinity : WINDOW_DISPLAY_AFFINITY -> '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", {
  SetWindowDisplayAffinity: { parameters: ["pointer", "u32"], result: "i32" },
});
// lib.symbols.SetWindowDisplayAffinity(hWnd, dwAffinity)
// hWnd : HWND -> "pointer"
// dwAffinity : WINDOW_DISPLAY_AFFINITY -> "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 SetWindowDisplayAffinity(
    void* hWnd,
    uint32_t dwAffinity);
C, "USER32.dll");
// $ffi->SetWindowDisplayAffinity(hWnd, dwAffinity);
// hWnd : HWND
// dwAffinity : WINDOW_DISPLAY_AFFINITY
// 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 SetWindowDisplayAffinity(
        Pointer hWnd,   // HWND
        int dwAffinity   // WINDOW_DISPLAY_AFFINITY
    );
}

@[Link("user32")]
lib LibUSER32
  fun SetWindowDisplayAffinity = SetWindowDisplayAffinity(
    hWnd : Void*,   # HWND
    dwAffinity : UInt32   # WINDOW_DISPLAY_AFFINITY
  ) : 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 SetWindowDisplayAffinityNative = Int32 Function(Pointer<Void>, Uint32);
typedef SetWindowDisplayAffinityDart = int Function(Pointer<Void>, int);
final SetWindowDisplayAffinity = DynamicLibrary.open('USER32.dll')
    .lookupFunction<SetWindowDisplayAffinityNative, SetWindowDisplayAffinityDart>('SetWindowDisplayAffinity');
// hWnd : HWND -> Pointer<Void>
// dwAffinity : WINDOW_DISPLAY_AFFINITY -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SetWindowDisplayAffinity(
  hWnd: THandle;   // HWND
  dwAffinity: DWORD   // WINDOW_DISPLAY_AFFINITY
): BOOL; stdcall;
  external 'USER32.dll' name 'SetWindowDisplayAffinity';

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

foreign import stdcall safe "SetWindowDisplayAffinity"
  c_SetWindowDisplayAffinity :: Ptr () -> Word32 -> IO CInt
-- hWnd : HWND -> Ptr ()
-- dwAffinity : WINDOW_DISPLAY_AFFINITY -> 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 setwindowdisplayaffinity =
  foreign "SetWindowDisplayAffinity"
    ((ptr void) @-> uint32_t @-> returning int32_t)
(* hWnd : HWND -> (ptr void) *)
(* dwAffinity : WINDOW_DISPLAY_AFFINITY -> 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 ("SetWindowDisplayAffinity" set-window-display-affinity :convention :stdcall) :int32
  (h-wnd :pointer)   ; HWND
  (dw-affinity :uint32))   ; WINDOW_DISPLAY_AFFINITY
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SetWindowDisplayAffinity = Win32::API::More->new('USER32',
    'BOOL SetWindowDisplayAffinity(HANDLE hWnd, DWORD dwAffinity)');
# my $ret = $SetWindowDisplayAffinity->Call($hWnd, $dwAffinity);
# hWnd : HWND -> HANDLE
# dwAffinity : WINDOW_DISPLAY_AFFINITY -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。