DwmEnableComposition

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

HRESULT DwmEnableComposition(
    DWORD uCompositionAction
);

<DllImport("dwmapi.dll", ExactSpelling:=True)>
Public Shared Function DwmEnableComposition(
    uCompositionAction As UInteger   ' DWORD
) As Integer
End Function

' uCompositionAction : DWORD
Declare PtrSafe Function DwmEnableComposition Lib "dwmapi" ( _
    ByVal uCompositionAction 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

DwmEnableComposition = ctypes.windll.dwmapi.DwmEnableComposition
DwmEnableComposition.restype = ctypes.c_int
DwmEnableComposition.argtypes = [
    wintypes.DWORD,  # uCompositionAction : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dwmapi.dll')
DwmEnableComposition = Fiddle::Function.new(
  lib['DwmEnableComposition'],
  [
    -Fiddle::TYPE_INT,  # uCompositionAction : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "dwmapi")]
extern "system" {
    fn DwmEnableComposition(
        uCompositionAction: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dwmapi.dll")]
public static extern int DwmEnableComposition(uint uCompositionAction);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dwmapi_DwmEnableComposition' -Namespace Win32 -PassThru
# $api::DwmEnableComposition(uCompositionAction)

#uselib "dwmapi.dll"
#func global DwmEnableComposition "DwmEnableComposition" sptr
; DwmEnableComposition uCompositionAction   ; 戻り値は stat
; uCompositionAction : DWORD -> "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 "dwmapi.dll"
#cfunc global DwmEnableComposition "DwmEnableComposition" int
; res = DwmEnableComposition(uCompositionAction)
; uCompositionAction : DWORD -> "int"

; HRESULT DwmEnableComposition(DWORD uCompositionAction)
#uselib "dwmapi.dll"
#cfunc global DwmEnableComposition "DwmEnableComposition" int
; res = DwmEnableComposition(uCompositionAction)
; uCompositionAction : DWORD -> "int"

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

var (
	dwmapi = windows.NewLazySystemDLL("dwmapi.dll")
	procDwmEnableComposition = dwmapi.NewProc("DwmEnableComposition")
)

// uCompositionAction (DWORD)
r1, _, err := procDwmEnableComposition.Call(
	uintptr(uCompositionAction),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DwmEnableComposition(
  uCompositionAction: DWORD   // DWORD
): Integer; stdcall;
  external 'dwmapi.dll' name 'DwmEnableComposition';

result := DllCall("dwmapi\DwmEnableComposition"
    , "UInt", uCompositionAction   ; DWORD
    , "Int")   ; return: HRESULT

●DwmEnableComposition(uCompositionAction) = DLL("dwmapi.dll", "int DwmEnableComposition(dword)")
# 呼び出し: DwmEnableComposition(uCompositionAction)
# uCompositionAction : DWORD -> "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 "dwmapi" fn DwmEnableComposition(
    uCompositionAction: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc DwmEnableComposition(
    uCompositionAction: uint32  # DWORD
): int32 {.importc: "DwmEnableComposition", stdcall, dynlib: "dwmapi.dll".}

pragma(lib, "dwmapi");
extern(Windows)
int DwmEnableComposition(
    uint uCompositionAction   // DWORD
);

ccall((:DwmEnableComposition, "dwmapi.dll"), stdcall, Int32,
      (UInt32,),
      uCompositionAction)
# uCompositionAction : DWORD -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t DwmEnableComposition(
    uint32_t uCompositionAction);
]]
local dwmapi = ffi.load("dwmapi")
-- dwmapi.DwmEnableComposition(uCompositionAction)
-- uCompositionAction : DWORD
-- 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('dwmapi.dll');
const DwmEnableComposition = lib.func('__stdcall', 'DwmEnableComposition', 'int32_t', ['uint32_t']);
// DwmEnableComposition(uCompositionAction)
// uCompositionAction : DWORD -> '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("dwmapi.dll", {
  DwmEnableComposition: { parameters: ["u32"], result: "i32" },
});
// lib.symbols.DwmEnableComposition(uCompositionAction)
// uCompositionAction : DWORD -> "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 DwmEnableComposition(
    uint32_t uCompositionAction);
C, "dwmapi.dll");
// $ffi->DwmEnableComposition(uCompositionAction);
// uCompositionAction : DWORD
// 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 Dwmapi extends StdCallLibrary {
    Dwmapi INSTANCE = Native.load("dwmapi", Dwmapi.class);
    int DwmEnableComposition(
        int uCompositionAction   // DWORD
    );
}

@[Link("dwmapi")]
lib Libdwmapi
  fun DwmEnableComposition = DwmEnableComposition(
    uCompositionAction : UInt32   # DWORD
  ) : 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 DwmEnableCompositionNative = Int32 Function(Uint32);
typedef DwmEnableCompositionDart = int Function(int);
final DwmEnableComposition = DynamicLibrary.open('dwmapi.dll')
    .lookupFunction<DwmEnableCompositionNative, DwmEnableCompositionDart>('DwmEnableComposition');
// uCompositionAction : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DwmEnableComposition(
  uCompositionAction: DWORD   // DWORD
): Integer; stdcall;
  external 'dwmapi.dll' name 'DwmEnableComposition';

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

foreign import stdcall safe "DwmEnableComposition"
  c_DwmEnableComposition :: Word32 -> IO Int32
-- uCompositionAction : DWORD -> 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 dwmenablecomposition =
  foreign "DwmEnableComposition"
    (uint32_t @-> returning int32_t)
(* uCompositionAction : DWORD -> 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 dwmapi (t "dwmapi.dll"))
(cffi:use-foreign-library dwmapi)

(cffi:defcfun ("DwmEnableComposition" dwm-enable-composition :convention :stdcall) :int32
  (u-composition-action :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DwmEnableComposition = Win32::API::More->new('dwmapi',
    'int DwmEnableComposition(DWORD uCompositionAction)');
# my $ret = $DwmEnableComposition->Call($uCompositionAction);
# uCompositionAction : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。