CapabilitiesRequestAndCapabilitiesReply

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

INT CapabilitiesRequestAndCapabilitiesReply(
    HANDLE hMonitor,
    LPSTR pszASCIICapabilitiesString,
    DWORD dwCapabilitiesStringLengthInCharacters
);

<DllImport("dxva2.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CapabilitiesRequestAndCapabilitiesReply(
    hMonitor As IntPtr,   ' HANDLE
    <MarshalAs(UnmanagedType.LPStr)> pszASCIICapabilitiesString As System.Text.StringBuilder,   ' LPSTR out
    dwCapabilitiesStringLengthInCharacters As UInteger   ' DWORD
) As Integer
End Function

' hMonitor : HANDLE
' pszASCIICapabilitiesString : LPSTR out
' dwCapabilitiesStringLengthInCharacters : DWORD
Declare PtrSafe Function CapabilitiesRequestAndCapabilitiesReply Lib "dxva2" ( _
    ByVal hMonitor As LongPtr, _
    ByVal pszASCIICapabilitiesString As String, _
    ByVal dwCapabilitiesStringLengthInCharacters 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

CapabilitiesRequestAndCapabilitiesReply = ctypes.windll.dxva2.CapabilitiesRequestAndCapabilitiesReply
CapabilitiesRequestAndCapabilitiesReply.restype = ctypes.c_int
CapabilitiesRequestAndCapabilitiesReply.argtypes = [
    wintypes.HANDLE,  # hMonitor : HANDLE
    wintypes.LPSTR,  # pszASCIICapabilitiesString : LPSTR out
    wintypes.DWORD,  # dwCapabilitiesStringLengthInCharacters : DWORD
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dxva2.dll')
CapabilitiesRequestAndCapabilitiesReply = Fiddle::Function.new(
  lib['CapabilitiesRequestAndCapabilitiesReply'],
  [
    Fiddle::TYPE_VOIDP,  # hMonitor : HANDLE
    Fiddle::TYPE_VOIDP,  # pszASCIICapabilitiesString : LPSTR out
    -Fiddle::TYPE_INT,  # dwCapabilitiesStringLengthInCharacters : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "dxva2")]
extern "system" {
    fn CapabilitiesRequestAndCapabilitiesReply(
        hMonitor: *mut core::ffi::c_void,  // HANDLE
        pszASCIICapabilitiesString: *mut u8,  // LPSTR out
        dwCapabilitiesStringLengthInCharacters: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dxva2.dll", SetLastError = true)]
public static extern int CapabilitiesRequestAndCapabilitiesReply(IntPtr hMonitor, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder pszASCIICapabilitiesString, uint dwCapabilitiesStringLengthInCharacters);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dxva2_CapabilitiesRequestAndCapabilitiesReply' -Namespace Win32 -PassThru
# $api::CapabilitiesRequestAndCapabilitiesReply(hMonitor, pszASCIICapabilitiesString, dwCapabilitiesStringLengthInCharacters)

#uselib "dxva2.dll"
#func global CapabilitiesRequestAndCapabilitiesReply "CapabilitiesRequestAndCapabilitiesReply" sptr, sptr, sptr
; CapabilitiesRequestAndCapabilitiesReply hMonitor, varptr(pszASCIICapabilitiesString), dwCapabilitiesStringLengthInCharacters   ; 戻り値は stat
; hMonitor : HANDLE -> "sptr"
; pszASCIICapabilitiesString : LPSTR out -> "sptr"
; dwCapabilitiesStringLengthInCharacters : 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。

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

var (
	dxva2 = windows.NewLazySystemDLL("dxva2.dll")
	procCapabilitiesRequestAndCapabilitiesReply = dxva2.NewProc("CapabilitiesRequestAndCapabilitiesReply")
)

// hMonitor (HANDLE), pszASCIICapabilitiesString (LPSTR out), dwCapabilitiesStringLengthInCharacters (DWORD)
r1, _, err := procCapabilitiesRequestAndCapabilitiesReply.Call(
	uintptr(hMonitor),
	uintptr(pszASCIICapabilitiesString),
	uintptr(dwCapabilitiesStringLengthInCharacters),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // INT

function CapabilitiesRequestAndCapabilitiesReply(
  hMonitor: THandle;   // HANDLE
  pszASCIICapabilitiesString: PAnsiChar;   // LPSTR out
  dwCapabilitiesStringLengthInCharacters: DWORD   // DWORD
): Integer; stdcall;
  external 'dxva2.dll' name 'CapabilitiesRequestAndCapabilitiesReply';

result := DllCall("dxva2\CapabilitiesRequestAndCapabilitiesReply"
    , "Ptr", hMonitor   ; HANDLE
    , "Ptr", pszASCIICapabilitiesString   ; LPSTR out
    , "UInt", dwCapabilitiesStringLengthInCharacters   ; DWORD
    , "Int")   ; return: INT

●CapabilitiesRequestAndCapabilitiesReply(hMonitor, pszASCIICapabilitiesString, dwCapabilitiesStringLengthInCharacters) = DLL("dxva2.dll", "int CapabilitiesRequestAndCapabilitiesReply(void*, char*, dword)")
# 呼び出し: CapabilitiesRequestAndCapabilitiesReply(hMonitor, pszASCIICapabilitiesString, dwCapabilitiesStringLengthInCharacters)
# hMonitor : HANDLE -> "void*"
# pszASCIICapabilitiesString : LPSTR out -> "char*"
# dwCapabilitiesStringLengthInCharacters : 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 "dxva2" fn CapabilitiesRequestAndCapabilitiesReply(
    hMonitor: ?*anyopaque, // HANDLE
    pszASCIICapabilitiesString: [*c]u8, // LPSTR out
    dwCapabilitiesStringLengthInCharacters: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc CapabilitiesRequestAndCapabilitiesReply(
    hMonitor: pointer,  # HANDLE
    pszASCIICapabilitiesString: ptr char,  # LPSTR out
    dwCapabilitiesStringLengthInCharacters: uint32  # DWORD
): int32 {.importc: "CapabilitiesRequestAndCapabilitiesReply", stdcall, dynlib: "dxva2.dll".}

pragma(lib, "dxva2");
extern(Windows)
int CapabilitiesRequestAndCapabilitiesReply(
    void* hMonitor,   // HANDLE
    char* pszASCIICapabilitiesString,   // LPSTR out
    uint dwCapabilitiesStringLengthInCharacters   // DWORD
);

ccall((:CapabilitiesRequestAndCapabilitiesReply, "dxva2.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{UInt8}, UInt32),
      hMonitor, pszASCIICapabilitiesString, dwCapabilitiesStringLengthInCharacters)
# hMonitor : HANDLE -> Ptr{Cvoid}
# pszASCIICapabilitiesString : LPSTR out -> Ptr{UInt8}
# dwCapabilitiesStringLengthInCharacters : 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 CapabilitiesRequestAndCapabilitiesReply(
    void* hMonitor,
    char* pszASCIICapabilitiesString,
    uint32_t dwCapabilitiesStringLengthInCharacters);
]]
local dxva2 = ffi.load("dxva2")
-- dxva2.CapabilitiesRequestAndCapabilitiesReply(hMonitor, pszASCIICapabilitiesString, dwCapabilitiesStringLengthInCharacters)
-- hMonitor : HANDLE
-- pszASCIICapabilitiesString : LPSTR out
-- dwCapabilitiesStringLengthInCharacters : 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('dxva2.dll');
const CapabilitiesRequestAndCapabilitiesReply = lib.func('__stdcall', 'CapabilitiesRequestAndCapabilitiesReply', 'int32_t', ['void *', 'char *', 'uint32_t']);
// CapabilitiesRequestAndCapabilitiesReply(hMonitor, pszASCIICapabilitiesString, dwCapabilitiesStringLengthInCharacters)
// hMonitor : HANDLE -> 'void *'
// pszASCIICapabilitiesString : LPSTR out -> 'char *'
// dwCapabilitiesStringLengthInCharacters : 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("dxva2.dll", {
  CapabilitiesRequestAndCapabilitiesReply: { parameters: ["pointer", "buffer", "u32"], result: "i32" },
});
// lib.symbols.CapabilitiesRequestAndCapabilitiesReply(hMonitor, pszASCIICapabilitiesString, dwCapabilitiesStringLengthInCharacters)
// hMonitor : HANDLE -> "pointer"
// pszASCIICapabilitiesString : LPSTR out -> "buffer"
// dwCapabilitiesStringLengthInCharacters : 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 CapabilitiesRequestAndCapabilitiesReply(
    void* hMonitor,
    char* pszASCIICapabilitiesString,
    uint32_t dwCapabilitiesStringLengthInCharacters);
C, "dxva2.dll");
// $ffi->CapabilitiesRequestAndCapabilitiesReply(hMonitor, pszASCIICapabilitiesString, dwCapabilitiesStringLengthInCharacters);
// hMonitor : HANDLE
// pszASCIICapabilitiesString : LPSTR out
// dwCapabilitiesStringLengthInCharacters : 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 Dxva2 extends StdCallLibrary {
    Dxva2 INSTANCE = Native.load("dxva2", Dxva2.class);
    int CapabilitiesRequestAndCapabilitiesReply(
        Pointer hMonitor,   // HANDLE
        byte[] pszASCIICapabilitiesString,   // LPSTR out
        int dwCapabilitiesStringLengthInCharacters   // DWORD
    );
}

@[Link("dxva2")]
lib Libdxva2
  fun CapabilitiesRequestAndCapabilitiesReply = CapabilitiesRequestAndCapabilitiesReply(
    hMonitor : Void*,   # HANDLE
    pszASCIICapabilitiesString : UInt8*,   # LPSTR out
    dwCapabilitiesStringLengthInCharacters : 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 CapabilitiesRequestAndCapabilitiesReplyNative = Int32 Function(Pointer<Void>, Pointer<Utf8>, Uint32);
typedef CapabilitiesRequestAndCapabilitiesReplyDart = int Function(Pointer<Void>, Pointer<Utf8>, int);
final CapabilitiesRequestAndCapabilitiesReply = DynamicLibrary.open('dxva2.dll')
    .lookupFunction<CapabilitiesRequestAndCapabilitiesReplyNative, CapabilitiesRequestAndCapabilitiesReplyDart>('CapabilitiesRequestAndCapabilitiesReply');
// hMonitor : HANDLE -> Pointer<Void>
// pszASCIICapabilitiesString : LPSTR out -> Pointer<Utf8>
// dwCapabilitiesStringLengthInCharacters : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CapabilitiesRequestAndCapabilitiesReply(
  hMonitor: THandle;   // HANDLE
  pszASCIICapabilitiesString: PAnsiChar;   // LPSTR out
  dwCapabilitiesStringLengthInCharacters: DWORD   // DWORD
): Integer; stdcall;
  external 'dxva2.dll' name 'CapabilitiesRequestAndCapabilitiesReply';

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

foreign import stdcall safe "CapabilitiesRequestAndCapabilitiesReply"
  c_CapabilitiesRequestAndCapabilitiesReply :: Ptr () -> CString -> Word32 -> IO Int32
-- hMonitor : HANDLE -> Ptr ()
-- pszASCIICapabilitiesString : LPSTR out -> CString
-- dwCapabilitiesStringLengthInCharacters : 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 capabilitiesrequestandcapabilitiesreply =
  foreign "CapabilitiesRequestAndCapabilitiesReply"
    ((ptr void) @-> string @-> uint32_t @-> returning int32_t)
(* hMonitor : HANDLE -> (ptr void) *)
(* pszASCIICapabilitiesString : LPSTR out -> string *)
(* dwCapabilitiesStringLengthInCharacters : 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 dxva2 (t "dxva2.dll"))
(cffi:use-foreign-library dxva2)

(cffi:defcfun ("CapabilitiesRequestAndCapabilitiesReply" capabilities-request-and-capabilities-reply :convention :stdcall) :int32
  (h-monitor :pointer)   ; HANDLE
  (psz-asciicapabilities-string :pointer)   ; LPSTR out
  (dw-capabilities-string-length-in-characters :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CapabilitiesRequestAndCapabilitiesReply = Win32::API::More->new('dxva2',
    'int CapabilitiesRequestAndCapabilitiesReply(HANDLE hMonitor, LPSTR pszASCIICapabilitiesString, DWORD dwCapabilitiesStringLengthInCharacters)');
# my $ret = $CapabilitiesRequestAndCapabilitiesReply->Call($hMonitor, $pszASCIICapabilitiesString, $dwCapabilitiesStringLengthInCharacters);
# hMonitor : HANDLE -> HANDLE
# pszASCIICapabilitiesString : LPSTR out -> LPSTR
# dwCapabilitiesStringLengthInCharacters : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。