MagGetWindowSource

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

BOOL MagGetWindowSource(
    HWND hwnd,
    RECT* pRect
);

<DllImport("MAGNIFICATION.dll", ExactSpelling:=True)>
Public Shared Function MagGetWindowSource(
    hwnd As IntPtr,   ' HWND
    pRect As IntPtr   ' RECT* in/out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' hwnd : HWND
' pRect : RECT* in/out
Declare PtrSafe Function MagGetWindowSource Lib "magnification" ( _
    ByVal hwnd As LongPtr, _
    ByVal pRect As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

MagGetWindowSource = ctypes.windll.magnification.MagGetWindowSource
MagGetWindowSource.restype = wintypes.BOOL
MagGetWindowSource.argtypes = [
    wintypes.HANDLE,  # hwnd : HWND
    ctypes.c_void_p,  # pRect : RECT* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MAGNIFICATION.dll')
MagGetWindowSource = Fiddle::Function.new(
  lib['MagGetWindowSource'],
  [
    Fiddle::TYPE_VOIDP,  # hwnd : HWND
    Fiddle::TYPE_VOIDP,  # pRect : RECT* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "magnification")]
extern "system" {
    fn MagGetWindowSource(
        hwnd: *mut core::ffi::c_void,  // HWND
        pRect: *mut RECT  // RECT* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("MAGNIFICATION.dll")]
public static extern bool MagGetWindowSource(IntPtr hwnd, IntPtr pRect);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MAGNIFICATION_MagGetWindowSource' -Namespace Win32 -PassThru
# $api::MagGetWindowSource(hwnd, pRect)

#uselib "MAGNIFICATION.dll"
#func global MagGetWindowSource "MagGetWindowSource" sptr, sptr
; MagGetWindowSource hwnd, varptr(pRect)   ; 戻り値は stat
; hwnd : HWND -> "sptr"
; pRect : RECT* in/out -> "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 (
	magnification = windows.NewLazySystemDLL("MAGNIFICATION.dll")
	procMagGetWindowSource = magnification.NewProc("MagGetWindowSource")
)

// hwnd (HWND), pRect (RECT* in/out)
r1, _, err := procMagGetWindowSource.Call(
	uintptr(hwnd),
	uintptr(pRect),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function MagGetWindowSource(
  hwnd: THandle;   // HWND
  pRect: Pointer   // RECT* in/out
): BOOL; stdcall;
  external 'MAGNIFICATION.dll' name 'MagGetWindowSource';

result := DllCall("MAGNIFICATION\MagGetWindowSource"
    , "Ptr", hwnd   ; HWND
    , "Ptr", pRect   ; RECT* in/out
    , "Int")   ; return: BOOL

●MagGetWindowSource(hwnd, pRect) = DLL("MAGNIFICATION.dll", "bool MagGetWindowSource(void*, void*)")
# 呼び出し: MagGetWindowSource(hwnd, pRect)
# hwnd : HWND -> "void*"
# pRect : RECT* in/out -> "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 "magnification" fn MagGetWindowSource(
    hwnd: ?*anyopaque, // HWND
    pRect: [*c]RECT // RECT* in/out
) callconv(std.os.windows.WINAPI) i32;

proc MagGetWindowSource(
    hwnd: pointer,  # HWND
    pRect: ptr RECT  # RECT* in/out
): int32 {.importc: "MagGetWindowSource", stdcall, dynlib: "MAGNIFICATION.dll".}

pragma(lib, "magnification");
extern(Windows)
int MagGetWindowSource(
    void* hwnd,   // HWND
    RECT* pRect   // RECT* in/out
);

ccall((:MagGetWindowSource, "MAGNIFICATION.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{RECT}),
      hwnd, pRect)
# hwnd : HWND -> Ptr{Cvoid}
# pRect : RECT* in/out -> Ptr{RECT}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t MagGetWindowSource(
    void* hwnd,
    void* pRect);
]]
local magnification = ffi.load("magnification")
-- magnification.MagGetWindowSource(hwnd, pRect)
-- hwnd : HWND
-- pRect : RECT* in/out
-- 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('MAGNIFICATION.dll');
const MagGetWindowSource = lib.func('__stdcall', 'MagGetWindowSource', 'int32_t', ['void *', 'void *']);
// MagGetWindowSource(hwnd, pRect)
// hwnd : HWND -> 'void *'
// pRect : RECT* in/out -> '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("MAGNIFICATION.dll", {
  MagGetWindowSource: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.MagGetWindowSource(hwnd, pRect)
// hwnd : HWND -> "pointer"
// pRect : RECT* in/out -> "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
int32_t MagGetWindowSource(
    void* hwnd,
    void* pRect);
C, "MAGNIFICATION.dll");
// $ffi->MagGetWindowSource(hwnd, pRect);
// hwnd : HWND
// pRect : RECT* in/out
// 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 Magnification extends StdCallLibrary {
    Magnification INSTANCE = Native.load("magnification", Magnification.class);
    boolean MagGetWindowSource(
        Pointer hwnd,   // HWND
        Pointer pRect   // RECT* in/out
    );
}

@[Link("magnification")]
lib LibMAGNIFICATION
  fun MagGetWindowSource = MagGetWindowSource(
    hwnd : Void*,   # HWND
    pRect : RECT*   # RECT* in/out
  ) : 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 MagGetWindowSourceNative = Int32 Function(Pointer<Void>, Pointer<Void>);
typedef MagGetWindowSourceDart = int Function(Pointer<Void>, Pointer<Void>);
final MagGetWindowSource = DynamicLibrary.open('MAGNIFICATION.dll')
    .lookupFunction<MagGetWindowSourceNative, MagGetWindowSourceDart>('MagGetWindowSource');
// hwnd : HWND -> Pointer<Void>
// pRect : RECT* in/out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function MagGetWindowSource(
  hwnd: THandle;   // HWND
  pRect: Pointer   // RECT* in/out
): BOOL; stdcall;
  external 'MAGNIFICATION.dll' name 'MagGetWindowSource';

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

foreign import stdcall safe "MagGetWindowSource"
  c_MagGetWindowSource :: Ptr () -> Ptr () -> IO CInt
-- hwnd : HWND -> Ptr ()
-- pRect : RECT* in/out -> 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 maggetwindowsource =
  foreign "MagGetWindowSource"
    ((ptr void) @-> (ptr void) @-> returning int32_t)
(* hwnd : HWND -> (ptr void) *)
(* pRect : RECT* in/out -> (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 magnification (t "MAGNIFICATION.dll"))
(cffi:use-foreign-library magnification)

(cffi:defcfun ("MagGetWindowSource" mag-get-window-source :convention :stdcall) :int32
  (hwnd :pointer)   ; HWND
  (p-rect :pointer))   ; RECT* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $MagGetWindowSource = Win32::API::More->new('MAGNIFICATION',
    'BOOL MagGetWindowSource(HANDLE hwnd, LPVOID pRect)');
# my $ret = $MagGetWindowSource->Call($hwnd, $pRect);
# hwnd : HWND -> HANDLE
# pRect : RECT* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。