RegisterMediaTypeClass

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

HRESULT RegisterMediaTypeClass(
    IBindCtx* pBC,
    DWORD ctypes,
    LPCSTR* rgszTypes,
    GUID* rgclsID,
    DWORD reserved
);

<DllImport("urlmon.dll", ExactSpelling:=True)>
Public Shared Function RegisterMediaTypeClass(
    pBC As IntPtr,   ' IBindCtx*
    ctypes As UInteger,   ' DWORD
    rgszTypes As IntPtr,   ' LPCSTR*
    ByRef rgclsID As Guid,   ' GUID*
    reserved As UInteger   ' DWORD
) As Integer
End Function

' pBC : IBindCtx*
' ctypes : DWORD
' rgszTypes : LPCSTR*
' rgclsID : GUID*
' reserved : DWORD
Declare PtrSafe Function RegisterMediaTypeClass Lib "urlmon" ( _
    ByVal pBC As LongPtr, _
    ByVal ctypes As Long, _
    ByVal rgszTypes As LongPtr, _
    ByVal rgclsID As LongPtr, _
    ByVal reserved 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

RegisterMediaTypeClass = ctypes.windll.urlmon.RegisterMediaTypeClass
RegisterMediaTypeClass.restype = ctypes.c_int
RegisterMediaTypeClass.argtypes = [
    ctypes.c_void_p,  # pBC : IBindCtx*
    wintypes.DWORD,  # ctypes : DWORD
    ctypes.c_void_p,  # rgszTypes : LPCSTR*
    ctypes.c_void_p,  # rgclsID : GUID*
    wintypes.DWORD,  # reserved : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('urlmon.dll')
RegisterMediaTypeClass = Fiddle::Function.new(
  lib['RegisterMediaTypeClass'],
  [
    Fiddle::TYPE_VOIDP,  # pBC : IBindCtx*
    -Fiddle::TYPE_INT,  # ctypes : DWORD
    Fiddle::TYPE_VOIDP,  # rgszTypes : LPCSTR*
    Fiddle::TYPE_VOIDP,  # rgclsID : GUID*
    -Fiddle::TYPE_INT,  # reserved : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "urlmon")]
extern "system" {
    fn RegisterMediaTypeClass(
        pBC: *mut core::ffi::c_void,  // IBindCtx*
        ctypes: u32,  // DWORD
        rgszTypes: *const *const u8,  // LPCSTR*
        rgclsID: *mut GUID,  // GUID*
        reserved: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("urlmon.dll")]
public static extern int RegisterMediaTypeClass(IntPtr pBC, uint ctypes, IntPtr rgszTypes, ref Guid rgclsID, uint reserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'urlmon_RegisterMediaTypeClass' -Namespace Win32 -PassThru
# $api::RegisterMediaTypeClass(pBC, ctypes, rgszTypes, rgclsID, reserved)

#uselib "urlmon.dll"
#func global RegisterMediaTypeClass "RegisterMediaTypeClass" sptr, sptr, sptr, sptr, sptr
; RegisterMediaTypeClass pBC, ctypes, varptr(rgszTypes), varptr(rgclsID), reserved   ; 戻り値は stat
; pBC : IBindCtx* -> "sptr"
; ctypes : DWORD -> "sptr"
; rgszTypes : LPCSTR* -> "sptr"
; rgclsID : GUID* -> "sptr"
; reserved : 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 (
	urlmon = windows.NewLazySystemDLL("urlmon.dll")
	procRegisterMediaTypeClass = urlmon.NewProc("RegisterMediaTypeClass")
)

// pBC (IBindCtx*), ctypes (DWORD), rgszTypes (LPCSTR*), rgclsID (GUID*), reserved (DWORD)
r1, _, err := procRegisterMediaTypeClass.Call(
	uintptr(pBC),
	uintptr(ctypes),
	uintptr(rgszTypes),
	uintptr(rgclsID),
	uintptr(reserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function RegisterMediaTypeClass(
  pBC: Pointer;   // IBindCtx*
  ctypes: DWORD;   // DWORD
  rgszTypes: PPAnsiChar;   // LPCSTR*
  rgclsID: PGUID;   // GUID*
  reserved: DWORD   // DWORD
): Integer; stdcall;
  external 'urlmon.dll' name 'RegisterMediaTypeClass';

result := DllCall("urlmon\RegisterMediaTypeClass"
    , "Ptr", pBC   ; IBindCtx*
    , "UInt", ctypes   ; DWORD
    , "Ptr", rgszTypes   ; LPCSTR*
    , "Ptr", rgclsID   ; GUID*
    , "UInt", reserved   ; DWORD
    , "Int")   ; return: HRESULT

●RegisterMediaTypeClass(pBC, ctypes, rgszTypes, rgclsID, reserved) = DLL("urlmon.dll", "int RegisterMediaTypeClass(void*, dword, void*, void*, dword)")
# 呼び出し: RegisterMediaTypeClass(pBC, ctypes, rgszTypes, rgclsID, reserved)
# pBC : IBindCtx* -> "void*"
# ctypes : DWORD -> "dword"
# rgszTypes : LPCSTR* -> "void*"
# rgclsID : GUID* -> "void*"
# reserved : 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 "urlmon" fn RegisterMediaTypeClass(
    pBC: ?*anyopaque, // IBindCtx*
    ctypes: u32, // DWORD
    rgszTypes: [*c][*c]u8, // LPCSTR*
    rgclsID: [*c]GUID, // GUID*
    reserved: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc RegisterMediaTypeClass(
    pBC: pointer,  # IBindCtx*
    ctypes: uint32,  # DWORD
    rgszTypes: ptr cstring,  # LPCSTR*
    rgclsID: ptr GUID,  # GUID*
    reserved: uint32  # DWORD
): int32 {.importc: "RegisterMediaTypeClass", stdcall, dynlib: "urlmon.dll".}

pragma(lib, "urlmon");
extern(Windows)
int RegisterMediaTypeClass(
    void* pBC,   // IBindCtx*
    uint ctypes,   // DWORD
    char** rgszTypes,   // LPCSTR*
    GUID* rgclsID,   // GUID*
    uint reserved   // DWORD
);

ccall((:RegisterMediaTypeClass, "urlmon.dll"), stdcall, Int32,
      (Ptr{Cvoid}, UInt32, Ptr{Ptr{UInt8}}, Ptr{GUID}, UInt32),
      pBC, ctypes, rgszTypes, rgclsID, reserved)
# pBC : IBindCtx* -> Ptr{Cvoid}
# ctypes : DWORD -> UInt32
# rgszTypes : LPCSTR* -> Ptr{Ptr{UInt8}}
# rgclsID : GUID* -> Ptr{GUID}
# reserved : 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 RegisterMediaTypeClass(
    void* pBC,
    uint32_t ctypes,
    char** rgszTypes,
    void* rgclsID,
    uint32_t reserved);
]]
local urlmon = ffi.load("urlmon")
-- urlmon.RegisterMediaTypeClass(pBC, ctypes, rgszTypes, rgclsID, reserved)
-- pBC : IBindCtx*
-- ctypes : DWORD
-- rgszTypes : LPCSTR*
-- rgclsID : GUID*
-- reserved : 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('urlmon.dll');
const RegisterMediaTypeClass = lib.func('__stdcall', 'RegisterMediaTypeClass', 'int32_t', ['void *', 'uint32_t', 'void *', 'void *', 'uint32_t']);
// RegisterMediaTypeClass(pBC, ctypes, rgszTypes, rgclsID, reserved)
// pBC : IBindCtx* -> 'void *'
// ctypes : DWORD -> 'uint32_t'
// rgszTypes : LPCSTR* -> 'void *'
// rgclsID : GUID* -> 'void *'
// reserved : 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("urlmon.dll", {
  RegisterMediaTypeClass: { parameters: ["pointer", "u32", "pointer", "pointer", "u32"], result: "i32" },
});
// lib.symbols.RegisterMediaTypeClass(pBC, ctypes, rgszTypes, rgclsID, reserved)
// pBC : IBindCtx* -> "pointer"
// ctypes : DWORD -> "u32"
// rgszTypes : LPCSTR* -> "pointer"
// rgclsID : GUID* -> "pointer"
// reserved : 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 RegisterMediaTypeClass(
    void* pBC,
    uint32_t ctypes,
    char** rgszTypes,
    void* rgclsID,
    uint32_t reserved);
C, "urlmon.dll");
// $ffi->RegisterMediaTypeClass(pBC, ctypes, rgszTypes, rgclsID, reserved);
// pBC : IBindCtx*
// ctypes : DWORD
// rgszTypes : LPCSTR*
// rgclsID : GUID*
// reserved : 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 Urlmon extends StdCallLibrary {
    Urlmon INSTANCE = Native.load("urlmon", Urlmon.class);
    int RegisterMediaTypeClass(
        Pointer pBC,   // IBindCtx*
        int ctypes,   // DWORD
        PointerByReference rgszTypes,   // LPCSTR*
        Pointer rgclsID,   // GUID*
        int reserved   // DWORD
    );
}

@[Link("urlmon")]
lib Liburlmon
  fun RegisterMediaTypeClass = RegisterMediaTypeClass(
    pBC : Void*,   # IBindCtx*
    ctypes : UInt32,   # DWORD
    rgszTypes : UInt8**,   # LPCSTR*
    rgclsID : GUID*,   # GUID*
    reserved : 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 RegisterMediaTypeClassNative = Int32 Function(Pointer<Void>, Uint32, Pointer<Pointer<Utf8>>, Pointer<Void>, Uint32);
typedef RegisterMediaTypeClassDart = int Function(Pointer<Void>, int, Pointer<Pointer<Utf8>>, Pointer<Void>, int);
final RegisterMediaTypeClass = DynamicLibrary.open('urlmon.dll')
    .lookupFunction<RegisterMediaTypeClassNative, RegisterMediaTypeClassDart>('RegisterMediaTypeClass');
// pBC : IBindCtx* -> Pointer<Void>
// ctypes : DWORD -> Uint32
// rgszTypes : LPCSTR* -> Pointer<Pointer<Utf8>>
// rgclsID : GUID* -> Pointer<Void>
// reserved : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function RegisterMediaTypeClass(
  pBC: Pointer;   // IBindCtx*
  ctypes: DWORD;   // DWORD
  rgszTypes: PPAnsiChar;   // LPCSTR*
  rgclsID: PGUID;   // GUID*
  reserved: DWORD   // DWORD
): Integer; stdcall;
  external 'urlmon.dll' name 'RegisterMediaTypeClass';

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

foreign import stdcall safe "RegisterMediaTypeClass"
  c_RegisterMediaTypeClass :: Ptr () -> Word32 -> Ptr CString -> Ptr () -> Word32 -> IO Int32
-- pBC : IBindCtx* -> Ptr ()
-- ctypes : DWORD -> Word32
-- rgszTypes : LPCSTR* -> Ptr CString
-- rgclsID : GUID* -> Ptr ()
-- reserved : 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 registermediatypeclass =
  foreign "RegisterMediaTypeClass"
    ((ptr void) @-> uint32_t @-> (ptr string) @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* pBC : IBindCtx* -> (ptr void) *)
(* ctypes : DWORD -> uint32_t *)
(* rgszTypes : LPCSTR* -> (ptr string) *)
(* rgclsID : GUID* -> (ptr void) *)
(* reserved : 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 urlmon (t "urlmon.dll"))
(cffi:use-foreign-library urlmon)

(cffi:defcfun ("RegisterMediaTypeClass" register-media-type-class :convention :stdcall) :int32
  (p-bc :pointer)   ; IBindCtx*
  (ctypes :uint32)   ; DWORD
  (rgsz-types :pointer)   ; LPCSTR*
  (rgcls-id :pointer)   ; GUID*
  (reserved :uint32))   ; DWORD
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $RegisterMediaTypeClass = Win32::API::More->new('urlmon',
    'int RegisterMediaTypeClass(LPVOID pBC, DWORD ctypes, LPVOID rgszTypes, LPVOID rgclsID, DWORD reserved)');
# my $ret = $RegisterMediaTypeClass->Call($pBC, $ctypes, $rgszTypes, $rgclsID, $reserved);
# pBC : IBindCtx* -> LPVOID
# ctypes : DWORD -> DWORD
# rgszTypes : LPCSTR* -> LPVOID
# rgclsID : GUID* -> LPVOID
# reserved : DWORD -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。