GetMonitorTechnologyType

// dxva2.dll
#include <windows.h>

INT GetMonitorTechnologyType(
    HANDLE hMonitor,
    MC_DISPLAY_TECHNOLOGY_TYPE* pdtyDisplayTechnologyType
);

<DllImport("dxva2.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function GetMonitorTechnologyType(
    hMonitor As IntPtr,   ' HANDLE
    ByRef pdtyDisplayTechnologyType As Integer   ' MC_DISPLAY_TECHNOLOGY_TYPE* in/out
) As Integer
End Function

' hMonitor : HANDLE
' pdtyDisplayTechnologyType : MC_DISPLAY_TECHNOLOGY_TYPE* in/out
Declare PtrSafe Function GetMonitorTechnologyType Lib "dxva2" ( _
    ByVal hMonitor As LongPtr, _
    ByRef pdtyDisplayTechnologyType 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

GetMonitorTechnologyType = ctypes.windll.dxva2.GetMonitorTechnologyType
GetMonitorTechnologyType.restype = ctypes.c_int
GetMonitorTechnologyType.argtypes = [
    wintypes.HANDLE,  # hMonitor : HANDLE
    ctypes.c_void_p,  # pdtyDisplayTechnologyType : MC_DISPLAY_TECHNOLOGY_TYPE* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dxva2.dll')
GetMonitorTechnologyType = Fiddle::Function.new(
  lib['GetMonitorTechnologyType'],
  [
    Fiddle::TYPE_VOIDP,  # hMonitor : HANDLE
    Fiddle::TYPE_VOIDP,  # pdtyDisplayTechnologyType : MC_DISPLAY_TECHNOLOGY_TYPE* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "dxva2")]
extern "system" {
    fn GetMonitorTechnologyType(
        hMonitor: *mut core::ffi::c_void,  // HANDLE
        pdtyDisplayTechnologyType: *mut i32  // MC_DISPLAY_TECHNOLOGY_TYPE* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dxva2.dll", SetLastError = true)]
public static extern int GetMonitorTechnologyType(IntPtr hMonitor, ref int pdtyDisplayTechnologyType);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dxva2_GetMonitorTechnologyType' -Namespace Win32 -PassThru
# $api::GetMonitorTechnologyType(hMonitor, pdtyDisplayTechnologyType)

#uselib "dxva2.dll"
#func global GetMonitorTechnologyType "GetMonitorTechnologyType" sptr, sptr
; GetMonitorTechnologyType hMonitor, varptr(pdtyDisplayTechnologyType)   ; 戻り値は stat
; hMonitor : HANDLE -> "sptr"
; pdtyDisplayTechnologyType : MC_DISPLAY_TECHNOLOGY_TYPE* 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 (
	dxva2 = windows.NewLazySystemDLL("dxva2.dll")
	procGetMonitorTechnologyType = dxva2.NewProc("GetMonitorTechnologyType")
)

// hMonitor (HANDLE), pdtyDisplayTechnologyType (MC_DISPLAY_TECHNOLOGY_TYPE* in/out)
r1, _, err := procGetMonitorTechnologyType.Call(
	uintptr(hMonitor),
	uintptr(pdtyDisplayTechnologyType),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function GetMonitorTechnologyType(
  hMonitor: THandle;   // HANDLE
  pdtyDisplayTechnologyType: Pointer   // MC_DISPLAY_TECHNOLOGY_TYPE* in/out
): Integer; stdcall;
  external 'dxva2.dll' name 'GetMonitorTechnologyType';

result := DllCall("dxva2\GetMonitorTechnologyType"
    , "Ptr", hMonitor   ; HANDLE
    , "Ptr", pdtyDisplayTechnologyType   ; MC_DISPLAY_TECHNOLOGY_TYPE* in/out
    , "Int")   ; return: INT

●GetMonitorTechnologyType(hMonitor, pdtyDisplayTechnologyType) = DLL("dxva2.dll", "int GetMonitorTechnologyType(void*, void*)")
# 呼び出し: GetMonitorTechnologyType(hMonitor, pdtyDisplayTechnologyType)
# hMonitor : HANDLE -> "void*"
# pdtyDisplayTechnologyType : MC_DISPLAY_TECHNOLOGY_TYPE* 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 "dxva2" fn GetMonitorTechnologyType(
    hMonitor: ?*anyopaque, // HANDLE
    pdtyDisplayTechnologyType: [*c]i32 // MC_DISPLAY_TECHNOLOGY_TYPE* in/out
) callconv(std.os.windows.WINAPI) i32;

proc GetMonitorTechnologyType(
    hMonitor: pointer,  # HANDLE
    pdtyDisplayTechnologyType: ptr int32  # MC_DISPLAY_TECHNOLOGY_TYPE* in/out
): int32 {.importc: "GetMonitorTechnologyType", stdcall, dynlib: "dxva2.dll".}

pragma(lib, "dxva2");
extern(Windows)
int GetMonitorTechnologyType(
    void* hMonitor,   // HANDLE
    int* pdtyDisplayTechnologyType   // MC_DISPLAY_TECHNOLOGY_TYPE* in/out
);

ccall((:GetMonitorTechnologyType, "dxva2.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Int32}),
      hMonitor, pdtyDisplayTechnologyType)
# hMonitor : HANDLE -> Ptr{Cvoid}
# pdtyDisplayTechnologyType : MC_DISPLAY_TECHNOLOGY_TYPE* in/out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GetMonitorTechnologyType(
    void* hMonitor,
    int32_t* pdtyDisplayTechnologyType);
]]
local dxva2 = ffi.load("dxva2")
-- dxva2.GetMonitorTechnologyType(hMonitor, pdtyDisplayTechnologyType)
-- hMonitor : HANDLE
-- pdtyDisplayTechnologyType : MC_DISPLAY_TECHNOLOGY_TYPE* 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('dxva2.dll');
const GetMonitorTechnologyType = lib.func('__stdcall', 'GetMonitorTechnologyType', 'int32_t', ['void *', 'int32_t *']);
// GetMonitorTechnologyType(hMonitor, pdtyDisplayTechnologyType)
// hMonitor : HANDLE -> 'void *'
// pdtyDisplayTechnologyType : MC_DISPLAY_TECHNOLOGY_TYPE* in/out -> 'int32_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("dxva2.dll", {
  GetMonitorTechnologyType: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.GetMonitorTechnologyType(hMonitor, pdtyDisplayTechnologyType)
// hMonitor : HANDLE -> "pointer"
// pdtyDisplayTechnologyType : MC_DISPLAY_TECHNOLOGY_TYPE* 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 GetMonitorTechnologyType(
    void* hMonitor,
    int32_t* pdtyDisplayTechnologyType);
C, "dxva2.dll");
// $ffi->GetMonitorTechnologyType(hMonitor, pdtyDisplayTechnologyType);
// hMonitor : HANDLE
// pdtyDisplayTechnologyType : MC_DISPLAY_TECHNOLOGY_TYPE* 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 Dxva2 extends StdCallLibrary {
    Dxva2 INSTANCE = Native.load("dxva2", Dxva2.class);
    int GetMonitorTechnologyType(
        Pointer hMonitor,   // HANDLE
        IntByReference pdtyDisplayTechnologyType   // MC_DISPLAY_TECHNOLOGY_TYPE* in/out
    );
}

@[Link("dxva2")]
lib Libdxva2
  fun GetMonitorTechnologyType = GetMonitorTechnologyType(
    hMonitor : Void*,   # HANDLE
    pdtyDisplayTechnologyType : Int32*   # MC_DISPLAY_TECHNOLOGY_TYPE* 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 GetMonitorTechnologyTypeNative = Int32 Function(Pointer<Void>, Pointer<Int32>);
typedef GetMonitorTechnologyTypeDart = int Function(Pointer<Void>, Pointer<Int32>);
final GetMonitorTechnologyType = DynamicLibrary.open('dxva2.dll')
    .lookupFunction<GetMonitorTechnologyTypeNative, GetMonitorTechnologyTypeDart>('GetMonitorTechnologyType');
// hMonitor : HANDLE -> Pointer<Void>
// pdtyDisplayTechnologyType : MC_DISPLAY_TECHNOLOGY_TYPE* in/out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetMonitorTechnologyType(
  hMonitor: THandle;   // HANDLE
  pdtyDisplayTechnologyType: Pointer   // MC_DISPLAY_TECHNOLOGY_TYPE* in/out
): Integer; stdcall;
  external 'dxva2.dll' name 'GetMonitorTechnologyType';

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

foreign import stdcall safe "GetMonitorTechnologyType"
  c_GetMonitorTechnologyType :: Ptr () -> Ptr Int32 -> IO Int32
-- hMonitor : HANDLE -> Ptr ()
-- pdtyDisplayTechnologyType : MC_DISPLAY_TECHNOLOGY_TYPE* in/out -> Ptr Int32
-- 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 getmonitortechnologytype =
  foreign "GetMonitorTechnologyType"
    ((ptr void) @-> (ptr int32_t) @-> returning int32_t)
(* hMonitor : HANDLE -> (ptr void) *)
(* pdtyDisplayTechnologyType : MC_DISPLAY_TECHNOLOGY_TYPE* in/out -> (ptr int32_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 dxva2 (t "dxva2.dll"))
(cffi:use-foreign-library dxva2)

(cffi:defcfun ("GetMonitorTechnologyType" get-monitor-technology-type :convention :stdcall) :int32
  (h-monitor :pointer)   ; HANDLE
  (pdty-display-technology-type :pointer))   ; MC_DISPLAY_TECHNOLOGY_TYPE* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetMonitorTechnologyType = Win32::API::More->new('dxva2',
    'int GetMonitorTechnologyType(HANDLE hMonitor, LPVOID pdtyDisplayTechnologyType)');
# my $ret = $GetMonitorTechnologyType->Call($hMonitor, $pdtyDisplayTechnologyType);
# hMonitor : HANDLE -> HANDLE
# pdtyDisplayTechnologyType : MC_DISPLAY_TECHNOLOGY_TYPE* 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。