RegisterFormatEnumerator

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

HRESULT RegisterFormatEnumerator(
    IBindCtx* pBC,
    IEnumFORMATETC* pEFetc,
    DWORD reserved
);

<DllImport("urlmon.dll", ExactSpelling:=True)>
Public Shared Function RegisterFormatEnumerator(
    pBC As IntPtr,   ' IBindCtx*
    pEFetc As IntPtr,   ' IEnumFORMATETC*
    reserved As UInteger   ' DWORD
) As Integer
End Function

' pBC : IBindCtx*
' pEFetc : IEnumFORMATETC*
' reserved : DWORD
Declare PtrSafe Function RegisterFormatEnumerator Lib "urlmon" ( _
    ByVal pBC As LongPtr, _
    ByVal pEFetc 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

RegisterFormatEnumerator = ctypes.windll.urlmon.RegisterFormatEnumerator
RegisterFormatEnumerator.restype = ctypes.c_int
RegisterFormatEnumerator.argtypes = [
    ctypes.c_void_p,  # pBC : IBindCtx*
    ctypes.c_void_p,  # pEFetc : IEnumFORMATETC*
    wintypes.DWORD,  # reserved : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('urlmon.dll')
RegisterFormatEnumerator = Fiddle::Function.new(
  lib['RegisterFormatEnumerator'],
  [
    Fiddle::TYPE_VOIDP,  # pBC : IBindCtx*
    Fiddle::TYPE_VOIDP,  # pEFetc : IEnumFORMATETC*
    -Fiddle::TYPE_INT,  # reserved : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "urlmon")]
extern "system" {
    fn RegisterFormatEnumerator(
        pBC: *mut core::ffi::c_void,  // IBindCtx*
        pEFetc: *mut core::ffi::c_void,  // IEnumFORMATETC*
        reserved: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("urlmon.dll")]
public static extern int RegisterFormatEnumerator(IntPtr pBC, IntPtr pEFetc, uint reserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'urlmon_RegisterFormatEnumerator' -Namespace Win32 -PassThru
# $api::RegisterFormatEnumerator(pBC, pEFetc, reserved)

#uselib "urlmon.dll"
#func global RegisterFormatEnumerator "RegisterFormatEnumerator" sptr, sptr, sptr
; RegisterFormatEnumerator pBC, pEFetc, reserved   ; 戻り値は stat
; pBC : IBindCtx* -> "sptr"
; pEFetc : IEnumFORMATETC* -> "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。

#uselib "urlmon.dll"
#cfunc global RegisterFormatEnumerator "RegisterFormatEnumerator" sptr, sptr, int
; res = RegisterFormatEnumerator(pBC, pEFetc, reserved)
; pBC : IBindCtx* -> "sptr"
; pEFetc : IEnumFORMATETC* -> "sptr"
; reserved : DWORD -> "int"

; HRESULT RegisterFormatEnumerator(IBindCtx* pBC, IEnumFORMATETC* pEFetc, DWORD reserved)
#uselib "urlmon.dll"
#cfunc global RegisterFormatEnumerator "RegisterFormatEnumerator" intptr, intptr, int
; res = RegisterFormatEnumerator(pBC, pEFetc, reserved)
; pBC : IBindCtx* -> "intptr"
; pEFetc : IEnumFORMATETC* -> "intptr"
; reserved : DWORD -> "int"

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

var (
	urlmon = windows.NewLazySystemDLL("urlmon.dll")
	procRegisterFormatEnumerator = urlmon.NewProc("RegisterFormatEnumerator")
)

// pBC (IBindCtx*), pEFetc (IEnumFORMATETC*), reserved (DWORD)
r1, _, err := procRegisterFormatEnumerator.Call(
	uintptr(pBC),
	uintptr(pEFetc),
	uintptr(reserved),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function RegisterFormatEnumerator(
  pBC: Pointer;   // IBindCtx*
  pEFetc: Pointer;   // IEnumFORMATETC*
  reserved: DWORD   // DWORD
): Integer; stdcall;
  external 'urlmon.dll' name 'RegisterFormatEnumerator';

result := DllCall("urlmon\RegisterFormatEnumerator"
    , "Ptr", pBC   ; IBindCtx*
    , "Ptr", pEFetc   ; IEnumFORMATETC*
    , "UInt", reserved   ; DWORD
    , "Int")   ; return: HRESULT

●RegisterFormatEnumerator(pBC, pEFetc, reserved) = DLL("urlmon.dll", "int RegisterFormatEnumerator(void*, void*, dword)")
# 呼び出し: RegisterFormatEnumerator(pBC, pEFetc, reserved)
# pBC : IBindCtx* -> "void*"
# pEFetc : IEnumFORMATETC* -> "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 RegisterFormatEnumerator(
    pBC: ?*anyopaque, // IBindCtx*
    pEFetc: ?*anyopaque, // IEnumFORMATETC*
    reserved: u32 // DWORD
) callconv(std.os.windows.WINAPI) i32;

proc RegisterFormatEnumerator(
    pBC: pointer,  # IBindCtx*
    pEFetc: pointer,  # IEnumFORMATETC*
    reserved: uint32  # DWORD
): int32 {.importc: "RegisterFormatEnumerator", stdcall, dynlib: "urlmon.dll".}

pragma(lib, "urlmon");
extern(Windows)
int RegisterFormatEnumerator(
    void* pBC,   // IBindCtx*
    void* pEFetc,   // IEnumFORMATETC*
    uint reserved   // DWORD
);

ccall((:RegisterFormatEnumerator, "urlmon.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Cvoid}, UInt32),
      pBC, pEFetc, reserved)
# pBC : IBindCtx* -> Ptr{Cvoid}
# pEFetc : IEnumFORMATETC* -> Ptr{Cvoid}
# 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 RegisterFormatEnumerator(
    void* pBC,
    void* pEFetc,
    uint32_t reserved);
]]
local urlmon = ffi.load("urlmon")
-- urlmon.RegisterFormatEnumerator(pBC, pEFetc, reserved)
-- pBC : IBindCtx*
-- pEFetc : IEnumFORMATETC*
-- 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 RegisterFormatEnumerator = lib.func('__stdcall', 'RegisterFormatEnumerator', 'int32_t', ['void *', 'void *', 'uint32_t']);
// RegisterFormatEnumerator(pBC, pEFetc, reserved)
// pBC : IBindCtx* -> 'void *'
// pEFetc : IEnumFORMATETC* -> '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", {
  RegisterFormatEnumerator: { parameters: ["pointer", "pointer", "u32"], result: "i32" },
});
// lib.symbols.RegisterFormatEnumerator(pBC, pEFetc, reserved)
// pBC : IBindCtx* -> "pointer"
// pEFetc : IEnumFORMATETC* -> "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 RegisterFormatEnumerator(
    void* pBC,
    void* pEFetc,
    uint32_t reserved);
C, "urlmon.dll");
// $ffi->RegisterFormatEnumerator(pBC, pEFetc, reserved);
// pBC : IBindCtx*
// pEFetc : IEnumFORMATETC*
// 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 RegisterFormatEnumerator(
        Pointer pBC,   // IBindCtx*
        Pointer pEFetc,   // IEnumFORMATETC*
        int reserved   // DWORD
    );
}

@[Link("urlmon")]
lib Liburlmon
  fun RegisterFormatEnumerator = RegisterFormatEnumerator(
    pBC : Void*,   # IBindCtx*
    pEFetc : Void*,   # IEnumFORMATETC*
    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 RegisterFormatEnumeratorNative = Int32 Function(Pointer<Void>, Pointer<Void>, Uint32);
typedef RegisterFormatEnumeratorDart = int Function(Pointer<Void>, Pointer<Void>, int);
final RegisterFormatEnumerator = DynamicLibrary.open('urlmon.dll')
    .lookupFunction<RegisterFormatEnumeratorNative, RegisterFormatEnumeratorDart>('RegisterFormatEnumerator');
// pBC : IBindCtx* -> Pointer<Void>
// pEFetc : IEnumFORMATETC* -> Pointer<Void>
// reserved : DWORD -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function RegisterFormatEnumerator(
  pBC: Pointer;   // IBindCtx*
  pEFetc: Pointer;   // IEnumFORMATETC*
  reserved: DWORD   // DWORD
): Integer; stdcall;
  external 'urlmon.dll' name 'RegisterFormatEnumerator';

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

foreign import stdcall safe "RegisterFormatEnumerator"
  c_RegisterFormatEnumerator :: Ptr () -> Ptr () -> Word32 -> IO Int32
-- pBC : IBindCtx* -> Ptr ()
-- pEFetc : IEnumFORMATETC* -> 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 registerformatenumerator =
  foreign "RegisterFormatEnumerator"
    ((ptr void) @-> (ptr void) @-> uint32_t @-> returning int32_t)
(* pBC : IBindCtx* -> (ptr void) *)
(* pEFetc : IEnumFORMATETC* -> (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 ("RegisterFormatEnumerator" register-format-enumerator :convention :stdcall) :int32
  (p-bc :pointer)   ; IBindCtx*
  (p-efetc :pointer)   ; IEnumFORMATETC*
  (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 $RegisterFormatEnumerator = Win32::API::More->new('urlmon',
    'int RegisterFormatEnumerator(LPVOID pBC, LPVOID pEFetc, DWORD reserved)');
# my $ret = $RegisterFormatEnumerator->Call($pBC, $pEFetc, $reserved);
# pBC : IBindCtx* -> LPVOID
# pEFetc : IEnumFORMATETC* -> 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。