GetIntegratedDisplaySize

// api-ms-win-core-sysinfo-l1-2-3.dll
#include <windows.h>

HRESULT GetIntegratedDisplaySize(
    DOUBLE* sizeInInches
);

<DllImport("api-ms-win-core-sysinfo-l1-2-3.dll", ExactSpelling:=True)>
Public Shared Function GetIntegratedDisplaySize(
    <Out> ByRef sizeInInches As Double   ' DOUBLE* out
) As Integer
End Function

' sizeInInches : DOUBLE* out
Declare PtrSafe Function GetIntegratedDisplaySize Lib "api-ms-win-core-sysinfo-l1-2-3" ( _
    ByRef sizeInInches As Double) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GetIntegratedDisplaySize = ctypes.windll.LoadLibrary("api-ms-win-core-sysinfo-l1-2-3.dll").GetIntegratedDisplaySize
GetIntegratedDisplaySize.restype = ctypes.c_int
GetIntegratedDisplaySize.argtypes = [
    ctypes.POINTER(ctypes.c_double),  # sizeInInches : DOUBLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('api-ms-win-core-sysinfo-l1-2-3.dll')
GetIntegratedDisplaySize = Fiddle::Function.new(
  lib['GetIntegratedDisplaySize'],
  [
    Fiddle::TYPE_VOIDP,  # sizeInInches : DOUBLE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "api-ms-win-core-sysinfo-l1-2-3")]
extern "system" {
    fn GetIntegratedDisplaySize(
        sizeInInches: *mut f64  // DOUBLE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("api-ms-win-core-sysinfo-l1-2-3.dll")]
public static extern int GetIntegratedDisplaySize(out double sizeInInches);
"@
$api = Add-Type -MemberDefinition $sig -Name 'api-ms-win-core-sysinfo-l1-2-3_GetIntegratedDisplaySize' -Namespace Win32 -PassThru
# $api::GetIntegratedDisplaySize(sizeInInches)

#uselib "api-ms-win-core-sysinfo-l1-2-3.dll"
#func global GetIntegratedDisplaySize "GetIntegratedDisplaySize" sptr
; GetIntegratedDisplaySize varptr(sizeInInches)   ; 戻り値は stat
; sizeInInches : DOUBLE* 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 (
	api_ms_win_core_sysinfo_l1_2_3 = windows.NewLazySystemDLL("api-ms-win-core-sysinfo-l1-2-3.dll")
	procGetIntegratedDisplaySize = api_ms_win_core_sysinfo_l1_2_3.NewProc("GetIntegratedDisplaySize")
)

// sizeInInches (DOUBLE* out)
r1, _, err := procGetIntegratedDisplaySize.Call(
	uintptr(sizeInInches),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetIntegratedDisplaySize(
  sizeInInches: Pointer   // DOUBLE* out
): Integer; stdcall;
  external 'api-ms-win-core-sysinfo-l1-2-3.dll' name 'GetIntegratedDisplaySize';

result := DllCall("api-ms-win-core-sysinfo-l1-2-3\GetIntegratedDisplaySize"
    , "Ptr", sizeInInches   ; DOUBLE* out
    , "Int")   ; return: HRESULT

●GetIntegratedDisplaySize(sizeInInches) = DLL("api-ms-win-core-sysinfo-l1-2-3.dll", "int GetIntegratedDisplaySize(void*)")
# 呼び出し: GetIntegratedDisplaySize(sizeInInches)
# sizeInInches : DOUBLE* 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 "api-ms-win-core-sysinfo-l1-2-3" fn GetIntegratedDisplaySize(
    sizeInInches: [*c]f64 // DOUBLE* out
) callconv(std.os.windows.WINAPI) i32;

proc GetIntegratedDisplaySize(
    sizeInInches: ptr float64  # DOUBLE* out
): int32 {.importc: "GetIntegratedDisplaySize", stdcall, dynlib: "api-ms-win-core-sysinfo-l1-2-3.dll".}

pragma(lib, "api-ms-win-core-sysinfo-l1-2-3");
extern(Windows)
int GetIntegratedDisplaySize(
    double* sizeInInches   // DOUBLE* out
);

ccall((:GetIntegratedDisplaySize, "api-ms-win-core-sysinfo-l1-2-3.dll"), stdcall, Int32,
      (Ptr{Float64},),
      sizeInInches)
# sizeInInches : DOUBLE* out -> Ptr{Float64}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GetIntegratedDisplaySize(
    double* sizeInInches);
]]
local api-ms-win-core-sysinfo-l1-2-3 = ffi.load("api-ms-win-core-sysinfo-l1-2-3")
-- api-ms-win-core-sysinfo-l1-2-3.GetIntegratedDisplaySize(sizeInInches)
-- sizeInInches : DOUBLE* 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('api-ms-win-core-sysinfo-l1-2-3.dll');
const GetIntegratedDisplaySize = lib.func('__stdcall', 'GetIntegratedDisplaySize', 'int32_t', ['double *']);
// GetIntegratedDisplaySize(sizeInInches)
// sizeInInches : DOUBLE* out -> 'double *'
// 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("api-ms-win-core-sysinfo-l1-2-3.dll", {
  GetIntegratedDisplaySize: { parameters: ["pointer"], result: "i32" },
});
// lib.symbols.GetIntegratedDisplaySize(sizeInInches)
// sizeInInches : DOUBLE* 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 GetIntegratedDisplaySize(
    double* sizeInInches);
C, "api-ms-win-core-sysinfo-l1-2-3.dll");
// $ffi->GetIntegratedDisplaySize(sizeInInches);
// sizeInInches : DOUBLE* 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 Api-ms-win-core-sysinfo-l1-2-3 extends StdCallLibrary {
    Api-ms-win-core-sysinfo-l1-2-3 INSTANCE = Native.load("api-ms-win-core-sysinfo-l1-2-3", Api-ms-win-core-sysinfo-l1-2-3.class);
    int GetIntegratedDisplaySize(
        DoubleByReference sizeInInches   // DOUBLE* out
    );
}

@[Link("api-ms-win-core-sysinfo-l1-2-3")]
lib Libapi-ms-win-core-sysinfo-l1-2-3
  fun GetIntegratedDisplaySize = GetIntegratedDisplaySize(
    sizeInInches : Float64*   # DOUBLE* 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 GetIntegratedDisplaySizeNative = Int32 Function(Pointer<Double>);
typedef GetIntegratedDisplaySizeDart = int Function(Pointer<Double>);
final GetIntegratedDisplaySize = DynamicLibrary.open('api-ms-win-core-sysinfo-l1-2-3.dll')
    .lookupFunction<GetIntegratedDisplaySizeNative, GetIntegratedDisplaySizeDart>('GetIntegratedDisplaySize');
// sizeInInches : DOUBLE* out -> Pointer<Double>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetIntegratedDisplaySize(
  sizeInInches: Pointer   // DOUBLE* out
): Integer; stdcall;
  external 'api-ms-win-core-sysinfo-l1-2-3.dll' name 'GetIntegratedDisplaySize';

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

foreign import stdcall safe "GetIntegratedDisplaySize"
  c_GetIntegratedDisplaySize :: Ptr CDouble -> IO Int32
-- sizeInInches : DOUBLE* out -> Ptr CDouble
-- 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 getintegrateddisplaysize =
  foreign "GetIntegratedDisplaySize"
    ((ptr double) @-> returning int32_t)
(* sizeInInches : DOUBLE* out -> (ptr double) *)
(* 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 api-ms-win-core-sysinfo-l1-2-3 (t "api-ms-win-core-sysinfo-l1-2-3.dll"))
(cffi:use-foreign-library api-ms-win-core-sysinfo-l1-2-3)

(cffi:defcfun ("GetIntegratedDisplaySize" get-integrated-display-size :convention :stdcall) :int32
  (size-in-inches :pointer))   ; DOUBLE* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetIntegratedDisplaySize = Win32::API::More->new('api-ms-win-core-sysinfo-l1-2-3',
    'int GetIntegratedDisplaySize(LPVOID sizeInInches)');
# my $ret = $GetIntegratedDisplaySize->Call($sizeInInches);
# sizeInInches : DOUBLE* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。