SHAssocEnumHandlersForProtocolByApplication

// SHELL32.dll
#include <windows.h>

HRESULT SHAssocEnumHandlersForProtocolByApplication(
    LPCWSTR protocol,
    const GUID* riid,
    void** enumHandlers
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function SHAssocEnumHandlersForProtocolByApplication(
    <MarshalAs(UnmanagedType.LPWStr)> protocol As String,   ' LPCWSTR
    ByRef riid As Guid,   ' GUID*
    enumHandlers As IntPtr   ' void** out
) As Integer
End Function

' protocol : LPCWSTR
' riid : GUID*
' enumHandlers : void** out
Declare PtrSafe Function SHAssocEnumHandlersForProtocolByApplication Lib "shell32" ( _
    ByVal protocol As LongPtr, _
    ByVal riid As LongPtr, _
    ByVal enumHandlers As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SHAssocEnumHandlersForProtocolByApplication = ctypes.windll.shell32.SHAssocEnumHandlersForProtocolByApplication
SHAssocEnumHandlersForProtocolByApplication.restype = ctypes.c_int
SHAssocEnumHandlersForProtocolByApplication.argtypes = [
    wintypes.LPCWSTR,  # protocol : LPCWSTR
    ctypes.c_void_p,  # riid : GUID*
    ctypes.c_void_p,  # enumHandlers : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHAssocEnumHandlersForProtocolByApplication = Fiddle::Function.new(
  lib['SHAssocEnumHandlersForProtocolByApplication'],
  [
    Fiddle::TYPE_VOIDP,  # protocol : LPCWSTR
    Fiddle::TYPE_VOIDP,  # riid : GUID*
    Fiddle::TYPE_VOIDP,  # enumHandlers : void** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn SHAssocEnumHandlersForProtocolByApplication(
        protocol: *const u16,  // LPCWSTR
        riid: *const GUID,  // GUID*
        enumHandlers: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll")]
public static extern int SHAssocEnumHandlersForProtocolByApplication([MarshalAs(UnmanagedType.LPWStr)] string protocol, ref Guid riid, IntPtr enumHandlers);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHAssocEnumHandlersForProtocolByApplication' -Namespace Win32 -PassThru
# $api::SHAssocEnumHandlersForProtocolByApplication(protocol, riid, enumHandlers)

#uselib "SHELL32.dll"
#func global SHAssocEnumHandlersForProtocolByApplication "SHAssocEnumHandlersForProtocolByApplication" sptr, sptr, sptr
; SHAssocEnumHandlersForProtocolByApplication protocol, varptr(riid), enumHandlers   ; 戻り値は stat
; protocol : LPCWSTR -> "sptr"
; riid : GUID* -> "sptr"
; enumHandlers : void** 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 (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procSHAssocEnumHandlersForProtocolByApplication = shell32.NewProc("SHAssocEnumHandlersForProtocolByApplication")
)

// protocol (LPCWSTR), riid (GUID*), enumHandlers (void** out)
r1, _, err := procSHAssocEnumHandlersForProtocolByApplication.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(protocol))),
	uintptr(riid),
	uintptr(enumHandlers),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SHAssocEnumHandlersForProtocolByApplication(
  protocol: PWideChar;   // LPCWSTR
  riid: PGUID;   // GUID*
  enumHandlers: Pointer   // void** out
): Integer; stdcall;
  external 'SHELL32.dll' name 'SHAssocEnumHandlersForProtocolByApplication';

result := DllCall("SHELL32\SHAssocEnumHandlersForProtocolByApplication"
    , "WStr", protocol   ; LPCWSTR
    , "Ptr", riid   ; GUID*
    , "Ptr", enumHandlers   ; void** out
    , "Int")   ; return: HRESULT

●SHAssocEnumHandlersForProtocolByApplication(protocol, riid, enumHandlers) = DLL("SHELL32.dll", "int SHAssocEnumHandlersForProtocolByApplication(char*, void*, void*)")
# 呼び出し: SHAssocEnumHandlersForProtocolByApplication(protocol, riid, enumHandlers)
# protocol : LPCWSTR -> "char*"
# riid : GUID* -> "void*"
# enumHandlers : void** 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 "shell32" fn SHAssocEnumHandlersForProtocolByApplication(
    protocol: [*c]const u16, // LPCWSTR
    riid: [*c]GUID, // GUID*
    enumHandlers: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) i32;

proc SHAssocEnumHandlersForProtocolByApplication(
    protocol: WideCString,  # LPCWSTR
    riid: ptr GUID,  # GUID*
    enumHandlers: pointer  # void** out
): int32 {.importc: "SHAssocEnumHandlersForProtocolByApplication", stdcall, dynlib: "SHELL32.dll".}

pragma(lib, "shell32");
extern(Windows)
int SHAssocEnumHandlersForProtocolByApplication(
    const(wchar)* protocol,   // LPCWSTR
    GUID* riid,   // GUID*
    void** enumHandlers   // void** out
);

ccall((:SHAssocEnumHandlersForProtocolByApplication, "SHELL32.dll"), stdcall, Int32,
      (Cwstring, Ptr{GUID}, Ptr{Cvoid}),
      protocol, riid, enumHandlers)
# protocol : LPCWSTR -> Cwstring
# riid : GUID* -> Ptr{GUID}
# enumHandlers : void** out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t SHAssocEnumHandlersForProtocolByApplication(
    const uint16_t* protocol,
    void* riid,
    void** enumHandlers);
]]
local shell32 = ffi.load("shell32")
-- shell32.SHAssocEnumHandlersForProtocolByApplication(protocol, riid, enumHandlers)
-- protocol : LPCWSTR
-- riid : GUID*
-- enumHandlers : void** 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('SHELL32.dll');
const SHAssocEnumHandlersForProtocolByApplication = lib.func('__stdcall', 'SHAssocEnumHandlersForProtocolByApplication', 'int32_t', ['str16', 'void *', 'void *']);
// SHAssocEnumHandlersForProtocolByApplication(protocol, riid, enumHandlers)
// protocol : LPCWSTR -> 'str16'
// riid : GUID* -> 'void *'
// enumHandlers : void** out -> 'void *'
// 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("SHELL32.dll", {
  SHAssocEnumHandlersForProtocolByApplication: { parameters: ["buffer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.SHAssocEnumHandlersForProtocolByApplication(protocol, riid, enumHandlers)
// protocol : LPCWSTR -> "buffer"
// riid : GUID* -> "pointer"
// enumHandlers : void** 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 SHAssocEnumHandlersForProtocolByApplication(
    const uint16_t* protocol,
    void* riid,
    void** enumHandlers);
C, "SHELL32.dll");
// $ffi->SHAssocEnumHandlersForProtocolByApplication(protocol, riid, enumHandlers);
// protocol : LPCWSTR
// riid : GUID*
// enumHandlers : void** 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 Shell32 extends StdCallLibrary {
    Shell32 INSTANCE = Native.load("shell32", Shell32.class);
    int SHAssocEnumHandlersForProtocolByApplication(
        WString protocol,   // LPCWSTR
        Pointer riid,   // GUID*
        Pointer enumHandlers   // void** out
    );
}

@[Link("shell32")]
lib LibSHELL32
  fun SHAssocEnumHandlersForProtocolByApplication = SHAssocEnumHandlersForProtocolByApplication(
    protocol : UInt16*,   # LPCWSTR
    riid : GUID*,   # GUID*
    enumHandlers : Void**   # void** 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 SHAssocEnumHandlersForProtocolByApplicationNative = Int32 Function(Pointer<Utf16>, Pointer<Void>, Pointer<Void>);
typedef SHAssocEnumHandlersForProtocolByApplicationDart = int Function(Pointer<Utf16>, Pointer<Void>, Pointer<Void>);
final SHAssocEnumHandlersForProtocolByApplication = DynamicLibrary.open('SHELL32.dll')
    .lookupFunction<SHAssocEnumHandlersForProtocolByApplicationNative, SHAssocEnumHandlersForProtocolByApplicationDart>('SHAssocEnumHandlersForProtocolByApplication');
// protocol : LPCWSTR -> Pointer<Utf16>
// riid : GUID* -> Pointer<Void>
// enumHandlers : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function SHAssocEnumHandlersForProtocolByApplication(
  protocol: PWideChar;   // LPCWSTR
  riid: PGUID;   // GUID*
  enumHandlers: Pointer   // void** out
): Integer; stdcall;
  external 'SHELL32.dll' name 'SHAssocEnumHandlersForProtocolByApplication';

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

foreign import stdcall safe "SHAssocEnumHandlersForProtocolByApplication"
  c_SHAssocEnumHandlersForProtocolByApplication :: CWString -> Ptr () -> Ptr () -> IO Int32
-- protocol : LPCWSTR -> CWString
-- riid : GUID* -> Ptr ()
-- enumHandlers : void** out -> Ptr ()
-- 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 shassocenumhandlersforprotocolbyapplication =
  foreign "SHAssocEnumHandlersForProtocolByApplication"
    ((ptr uint16_t) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* protocol : LPCWSTR -> (ptr uint16_t) *)
(* riid : GUID* -> (ptr void) *)
(* enumHandlers : void** out -> (ptr void) *)
(* 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 shell32 (t "SHELL32.dll"))
(cffi:use-foreign-library shell32)

(cffi:defcfun ("SHAssocEnumHandlersForProtocolByApplication" shassoc-enum-handlers-for-protocol-by-application :convention :stdcall) :int32
  (protocol (:string :encoding :utf-16le))   ; LPCWSTR
  (riid :pointer)   ; GUID*
  (enum-handlers :pointer))   ; void** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $SHAssocEnumHandlersForProtocolByApplication = Win32::API::More->new('SHELL32',
    'int SHAssocEnumHandlersForProtocolByApplication(LPCWSTR protocol, LPVOID riid, LPVOID enumHandlers)');
# my $ret = $SHAssocEnumHandlersForProtocolByApplication->Call($protocol, $riid, $enumHandlers);
# protocol : LPCWSTR -> LPCWSTR
# riid : GUID* -> LPVOID
# enumHandlers : void** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。