capCreateCaptureWindowA

// AVICAP32.dll  (ANSI / -A)
#include <windows.h>

HWND capCreateCaptureWindowA(
    LPCSTR lpszWindowName,
    DWORD dwStyle,
    INT x,
    INT y,
    INT nWidth,
    INT nHeight,
    HWND hwndParent,   // optional
    INT nID
);

<DllImport("AVICAP32.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function capCreateCaptureWindowA(
    <MarshalAs(UnmanagedType.LPStr)> lpszWindowName As String,   ' LPCSTR
    dwStyle As UInteger,   ' DWORD
    x As Integer,   ' INT
    y As Integer,   ' INT
    nWidth As Integer,   ' INT
    nHeight As Integer,   ' INT
    hwndParent As IntPtr,   ' HWND optional
    nID As Integer   ' INT
) As IntPtr
End Function

' lpszWindowName : LPCSTR
' dwStyle : DWORD
' x : INT
' y : INT
' nWidth : INT
' nHeight : INT
' hwndParent : HWND optional
' nID : INT
Declare PtrSafe Function capCreateCaptureWindowA Lib "avicap32" ( _
    ByVal lpszWindowName As String, _
    ByVal dwStyle As Long, _
    ByVal x As Long, _
    ByVal y As Long, _
    ByVal nWidth As Long, _
    ByVal nHeight As Long, _
    ByVal hwndParent As LongPtr, _
    ByVal nID As Long) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

capCreateCaptureWindowA = ctypes.windll.avicap32.capCreateCaptureWindowA
capCreateCaptureWindowA.restype = ctypes.c_void_p
capCreateCaptureWindowA.argtypes = [
    wintypes.LPCSTR,  # lpszWindowName : LPCSTR
    wintypes.DWORD,  # dwStyle : DWORD
    ctypes.c_int,  # x : INT
    ctypes.c_int,  # y : INT
    ctypes.c_int,  # nWidth : INT
    ctypes.c_int,  # nHeight : INT
    wintypes.HANDLE,  # hwndParent : HWND optional
    ctypes.c_int,  # nID : INT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('AVICAP32.dll')
capCreateCaptureWindowA = Fiddle::Function.new(
  lib['capCreateCaptureWindowA'],
  [
    Fiddle::TYPE_VOIDP,  # lpszWindowName : LPCSTR
    -Fiddle::TYPE_INT,  # dwStyle : DWORD
    Fiddle::TYPE_INT,  # x : INT
    Fiddle::TYPE_INT,  # y : INT
    Fiddle::TYPE_INT,  # nWidth : INT
    Fiddle::TYPE_INT,  # nHeight : INT
    Fiddle::TYPE_VOIDP,  # hwndParent : HWND optional
    Fiddle::TYPE_INT,  # nID : INT
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "avicap32")]
extern "system" {
    fn capCreateCaptureWindowA(
        lpszWindowName: *const u8,  // LPCSTR
        dwStyle: u32,  // DWORD
        x: i32,  // INT
        y: i32,  // INT
        nWidth: i32,  // INT
        nHeight: i32,  // INT
        hwndParent: *mut core::ffi::c_void,  // HWND optional
        nID: i32  // INT
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("AVICAP32.dll", CharSet = CharSet.Ansi)]
public static extern IntPtr capCreateCaptureWindowA([MarshalAs(UnmanagedType.LPStr)] string lpszWindowName, uint dwStyle, int x, int y, int nWidth, int nHeight, IntPtr hwndParent, int nID);
"@
$api = Add-Type -MemberDefinition $sig -Name 'AVICAP32_capCreateCaptureWindowA' -Namespace Win32 -PassThru
# $api::capCreateCaptureWindowA(lpszWindowName, dwStyle, x, y, nWidth, nHeight, hwndParent, nID)

#uselib "AVICAP32.dll"
#func global capCreateCaptureWindowA "capCreateCaptureWindowA" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; capCreateCaptureWindowA lpszWindowName, dwStyle, x, y, nWidth, nHeight, hwndParent, nID   ; 戻り値は stat
; lpszWindowName : LPCSTR -> "sptr"
; dwStyle : DWORD -> "sptr"
; x : INT -> "sptr"
; y : INT -> "sptr"
; nWidth : INT -> "sptr"
; nHeight : INT -> "sptr"
; hwndParent : HWND optional -> "sptr"
; nID : INT -> "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 "AVICAP32.dll"
#cfunc global capCreateCaptureWindowA "capCreateCaptureWindowA" str, int, int, int, int, int, sptr, int
; res = capCreateCaptureWindowA(lpszWindowName, dwStyle, x, y, nWidth, nHeight, hwndParent, nID)
; lpszWindowName : LPCSTR -> "str"
; dwStyle : DWORD -> "int"
; x : INT -> "int"
; y : INT -> "int"
; nWidth : INT -> "int"
; nHeight : INT -> "int"
; hwndParent : HWND optional -> "sptr"
; nID : INT -> "int"

; HWND capCreateCaptureWindowA(LPCSTR lpszWindowName, DWORD dwStyle, INT x, INT y, INT nWidth, INT nHeight, HWND hwndParent, INT nID)
#uselib "AVICAP32.dll"
#cfunc global capCreateCaptureWindowA "capCreateCaptureWindowA" str, int, int, int, int, int, intptr, int
; res = capCreateCaptureWindowA(lpszWindowName, dwStyle, x, y, nWidth, nHeight, hwndParent, nID)
; lpszWindowName : LPCSTR -> "str"
; dwStyle : DWORD -> "int"
; x : INT -> "int"
; y : INT -> "int"
; nWidth : INT -> "int"
; nHeight : INT -> "int"
; hwndParent : HWND optional -> "intptr"
; nID : INT -> "int"

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

var (
	avicap32 = windows.NewLazySystemDLL("AVICAP32.dll")
	proccapCreateCaptureWindowA = avicap32.NewProc("capCreateCaptureWindowA")
)

// lpszWindowName (LPCSTR), dwStyle (DWORD), x (INT), y (INT), nWidth (INT), nHeight (INT), hwndParent (HWND optional), nID (INT)
r1, _, err := proccapCreateCaptureWindowA.Call(
	uintptr(unsafe.Pointer(windows.BytePtrFromString(lpszWindowName))),
	uintptr(dwStyle),
	uintptr(x),
	uintptr(y),
	uintptr(nWidth),
	uintptr(nHeight),
	uintptr(hwndParent),
	uintptr(nID),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HWND

function capCreateCaptureWindowA(
  lpszWindowName: PAnsiChar;   // LPCSTR
  dwStyle: DWORD;   // DWORD
  x: Integer;   // INT
  y: Integer;   // INT
  nWidth: Integer;   // INT
  nHeight: Integer;   // INT
  hwndParent: THandle;   // HWND optional
  nID: Integer   // INT
): THandle; stdcall;
  external 'AVICAP32.dll' name 'capCreateCaptureWindowA';

result := DllCall("AVICAP32\capCreateCaptureWindowA"
    , "AStr", lpszWindowName   ; LPCSTR
    , "UInt", dwStyle   ; DWORD
    , "Int", x   ; INT
    , "Int", y   ; INT
    , "Int", nWidth   ; INT
    , "Int", nHeight   ; INT
    , "Ptr", hwndParent   ; HWND optional
    , "Int", nID   ; INT
    , "Ptr")   ; return: HWND

●capCreateCaptureWindowA(lpszWindowName, dwStyle, x, y, nWidth, nHeight, hwndParent, nID) = DLL("AVICAP32.dll", "void* capCreateCaptureWindowA(char*, dword, int, int, int, int, void*, int)")
# 呼び出し: capCreateCaptureWindowA(lpszWindowName, dwStyle, x, y, nWidth, nHeight, hwndParent, nID)
# lpszWindowName : LPCSTR -> "char*"
# dwStyle : DWORD -> "dword"
# x : INT -> "int"
# y : INT -> "int"
# nWidth : INT -> "int"
# nHeight : INT -> "int"
# hwndParent : HWND optional -> "void*"
# nID : INT -> "int"
# 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 "avicap32" fn capCreateCaptureWindowA(
    lpszWindowName: [*c]const u8, // LPCSTR
    dwStyle: u32, // DWORD
    x: i32, // INT
    y: i32, // INT
    nWidth: i32, // INT
    nHeight: i32, // INT
    hwndParent: ?*anyopaque, // HWND optional
    nID: i32 // INT
) callconv(std.os.windows.WINAPI) ?*anyopaque;

proc capCreateCaptureWindowA(
    lpszWindowName: cstring,  # LPCSTR
    dwStyle: uint32,  # DWORD
    x: int32,  # INT
    y: int32,  # INT
    nWidth: int32,  # INT
    nHeight: int32,  # INT
    hwndParent: pointer,  # HWND optional
    nID: int32  # INT
): pointer {.importc: "capCreateCaptureWindowA", stdcall, dynlib: "AVICAP32.dll".}

pragma(lib, "avicap32");
extern(Windows)
void* capCreateCaptureWindowA(
    const(char)* lpszWindowName,   // LPCSTR
    uint dwStyle,   // DWORD
    int x,   // INT
    int y,   // INT
    int nWidth,   // INT
    int nHeight,   // INT
    void* hwndParent,   // HWND optional
    int nID   // INT
);

ccall((:capCreateCaptureWindowA, "AVICAP32.dll"), stdcall, Ptr{Cvoid},
      (Cstring, UInt32, Int32, Int32, Int32, Int32, Ptr{Cvoid}, Int32),
      lpszWindowName, dwStyle, x, y, nWidth, nHeight, hwndParent, nID)
# lpszWindowName : LPCSTR -> Cstring
# dwStyle : DWORD -> UInt32
# x : INT -> Int32
# y : INT -> Int32
# nWidth : INT -> Int32
# nHeight : INT -> Int32
# hwndParent : HWND optional -> Ptr{Cvoid}
# nID : INT -> Int32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void* capCreateCaptureWindowA(
    const char* lpszWindowName,
    uint32_t dwStyle,
    int32_t x,
    int32_t y,
    int32_t nWidth,
    int32_t nHeight,
    void* hwndParent,
    int32_t nID);
]]
local avicap32 = ffi.load("avicap32")
-- avicap32.capCreateCaptureWindowA(lpszWindowName, dwStyle, x, y, nWidth, nHeight, hwndParent, nID)
-- lpszWindowName : LPCSTR
-- dwStyle : DWORD
-- x : INT
-- y : INT
-- nWidth : INT
-- nHeight : INT
-- hwndParent : HWND optional
-- nID : INT
-- 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('AVICAP32.dll');
const capCreateCaptureWindowA = lib.func('__stdcall', 'capCreateCaptureWindowA', 'void *', ['str', 'uint32_t', 'int32_t', 'int32_t', 'int32_t', 'int32_t', 'void *', 'int32_t']);
// capCreateCaptureWindowA(lpszWindowName, dwStyle, x, y, nWidth, nHeight, hwndParent, nID)
// lpszWindowName : LPCSTR -> 'str'
// dwStyle : DWORD -> 'uint32_t'
// x : INT -> 'int32_t'
// y : INT -> 'int32_t'
// nWidth : INT -> 'int32_t'
// nHeight : INT -> 'int32_t'
// hwndParent : HWND optional -> 'void *'
// nID : INT -> '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("AVICAP32.dll", {
  capCreateCaptureWindowA: { parameters: ["buffer", "u32", "i32", "i32", "i32", "i32", "pointer", "i32"], result: "pointer" },
});
// lib.symbols.capCreateCaptureWindowA(lpszWindowName, dwStyle, x, y, nWidth, nHeight, hwndParent, nID)
// lpszWindowName : LPCSTR -> "buffer"
// dwStyle : DWORD -> "u32"
// x : INT -> "i32"
// y : INT -> "i32"
// nWidth : INT -> "i32"
// nHeight : INT -> "i32"
// hwndParent : HWND optional -> "pointer"
// nID : INT -> "i32"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
void* capCreateCaptureWindowA(
    const char* lpszWindowName,
    uint32_t dwStyle,
    int32_t x,
    int32_t y,
    int32_t nWidth,
    int32_t nHeight,
    void* hwndParent,
    int32_t nID);
C, "AVICAP32.dll");
// $ffi->capCreateCaptureWindowA(lpszWindowName, dwStyle, x, y, nWidth, nHeight, hwndParent, nID);
// lpszWindowName : LPCSTR
// dwStyle : DWORD
// x : INT
// y : INT
// nWidth : INT
// nHeight : INT
// hwndParent : HWND optional
// nID : INT
// 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 Avicap32 extends StdCallLibrary {
    Avicap32 INSTANCE = Native.load("avicap32", Avicap32.class, W32APIOptions.ASCII_OPTIONS);
    Pointer capCreateCaptureWindowA(
        String lpszWindowName,   // LPCSTR
        int dwStyle,   // DWORD
        int x,   // INT
        int y,   // INT
        int nWidth,   // INT
        int nHeight,   // INT
        Pointer hwndParent,   // HWND optional
        int nID   // INT
    );
}

@[Link("avicap32")]
lib LibAVICAP32
  fun capCreateCaptureWindowA = capCreateCaptureWindowA(
    lpszWindowName : UInt8*,   # LPCSTR
    dwStyle : UInt32,   # DWORD
    x : Int32,   # INT
    y : Int32,   # INT
    nWidth : Int32,   # INT
    nHeight : Int32,   # INT
    hwndParent : Void*,   # HWND optional
    nID : Int32   # INT
  ) : Void*
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 capCreateCaptureWindowANative = Pointer<Void> Function(Pointer<Utf8>, Uint32, Int32, Int32, Int32, Int32, Pointer<Void>, Int32);
typedef capCreateCaptureWindowADart = Pointer<Void> Function(Pointer<Utf8>, int, int, int, int, int, Pointer<Void>, int);
final capCreateCaptureWindowA = DynamicLibrary.open('AVICAP32.dll')
    .lookupFunction<capCreateCaptureWindowANative, capCreateCaptureWindowADart>('capCreateCaptureWindowA');
// lpszWindowName : LPCSTR -> Pointer<Utf8>
// dwStyle : DWORD -> Uint32
// x : INT -> Int32
// y : INT -> Int32
// nWidth : INT -> Int32
// nHeight : INT -> Int32
// hwndParent : HWND optional -> Pointer<Void>
// nID : INT -> Int32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function capCreateCaptureWindowA(
  lpszWindowName: PAnsiChar;   // LPCSTR
  dwStyle: DWORD;   // DWORD
  x: Integer;   // INT
  y: Integer;   // INT
  nWidth: Integer;   // INT
  nHeight: Integer;   // INT
  hwndParent: THandle;   // HWND optional
  nID: Integer   // INT
): THandle; stdcall;
  external 'AVICAP32.dll' name 'capCreateCaptureWindowA';

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

foreign import stdcall safe "capCreateCaptureWindowA"
  c_capCreateCaptureWindowA :: CString -> Word32 -> Int32 -> Int32 -> Int32 -> Int32 -> Ptr () -> Int32 -> IO (Ptr ())
-- lpszWindowName : LPCSTR -> CString
-- dwStyle : DWORD -> Word32
-- x : INT -> Int32
-- y : INT -> Int32
-- nWidth : INT -> Int32
-- nHeight : INT -> Int32
-- hwndParent : HWND optional -> Ptr ()
-- nID : INT -> 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 capcreatecapturewindowa =
  foreign "capCreateCaptureWindowA"
    (string @-> uint32_t @-> int32_t @-> int32_t @-> int32_t @-> int32_t @-> (ptr void) @-> int32_t @-> returning (ptr void))
(* lpszWindowName : LPCSTR -> string *)
(* dwStyle : DWORD -> uint32_t *)
(* x : INT -> int32_t *)
(* y : INT -> int32_t *)
(* nWidth : INT -> int32_t *)
(* nHeight : INT -> int32_t *)
(* hwndParent : HWND optional -> (ptr void) *)
(* nID : INT -> 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 avicap32 (t "AVICAP32.dll"))
(cffi:use-foreign-library avicap32)

(cffi:defcfun ("capCreateCaptureWindowA" cap-create-capture-window-a :convention :stdcall) :pointer
  (lpsz-window-name :string)   ; LPCSTR
  (dw-style :uint32)   ; DWORD
  (x :int32)   ; INT
  (y :int32)   ; INT
  (n-width :int32)   ; INT
  (n-height :int32)   ; INT
  (hwnd-parent :pointer)   ; HWND optional
  (n-id :int32))   ; INT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $capCreateCaptureWindowA = Win32::API::More->new('AVICAP32',
    'HANDLE capCreateCaptureWindowA(LPCSTR lpszWindowName, DWORD dwStyle, int x, int y, int nWidth, int nHeight, HANDLE hwndParent, int nID)');
# my $ret = $capCreateCaptureWindowA->Call($lpszWindowName, $dwStyle, $x, $y, $nWidth, $nHeight, $hwndParent, $nID);
# lpszWindowName : LPCSTR -> LPCSTR
# dwStyle : DWORD -> DWORD
# x : INT -> int
# y : INT -> int
# nWidth : INT -> int
# nHeight : INT -> int
# hwndParent : HWND optional -> HANDLE
# nID : INT -> int
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。