AssocGetPerceivedType

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

HRESULT AssocGetPerceivedType(
    LPCWSTR pszExt,
    PERCEIVED* ptype,
    DWORD* pflag,
    LPWSTR* ppszType   // optional
);

<DllImport("SHLWAPI.dll", ExactSpelling:=True)>
Public Shared Function AssocGetPerceivedType(
    <MarshalAs(UnmanagedType.LPWStr)> pszExt As String,   ' LPCWSTR
    <Out> ByRef ptype As Integer,   ' PERCEIVED* out
    <Out> ByRef pflag As UInteger,   ' DWORD* out
    ppszType As IntPtr   ' LPWSTR* optional, out
) As Integer
End Function

' pszExt : LPCWSTR
' ptype : PERCEIVED* out
' pflag : DWORD* out
' ppszType : LPWSTR* optional, out
Declare PtrSafe Function AssocGetPerceivedType Lib "shlwapi" ( _
    ByVal pszExt As LongPtr, _
    ByRef ptype As Long, _
    ByRef pflag As Long, _
    ByVal ppszType 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

AssocGetPerceivedType = ctypes.windll.shlwapi.AssocGetPerceivedType
AssocGetPerceivedType.restype = ctypes.c_int
AssocGetPerceivedType.argtypes = [
    wintypes.LPCWSTR,  # pszExt : LPCWSTR
    ctypes.c_void_p,  # ptype : PERCEIVED* out
    ctypes.POINTER(wintypes.DWORD),  # pflag : DWORD* out
    ctypes.c_void_p,  # ppszType : LPWSTR* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHLWAPI.dll')
AssocGetPerceivedType = Fiddle::Function.new(
  lib['AssocGetPerceivedType'],
  [
    Fiddle::TYPE_VOIDP,  # pszExt : LPCWSTR
    Fiddle::TYPE_VOIDP,  # ptype : PERCEIVED* out
    Fiddle::TYPE_VOIDP,  # pflag : DWORD* out
    Fiddle::TYPE_VOIDP,  # ppszType : LPWSTR* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "shlwapi")]
extern "system" {
    fn AssocGetPerceivedType(
        pszExt: *const u16,  // LPCWSTR
        ptype: *mut i32,  // PERCEIVED* out
        pflag: *mut u32,  // DWORD* out
        ppszType: *mut *mut u16  // LPWSTR* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHLWAPI.dll")]
public static extern int AssocGetPerceivedType([MarshalAs(UnmanagedType.LPWStr)] string pszExt, out int ptype, out uint pflag, IntPtr ppszType);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHLWAPI_AssocGetPerceivedType' -Namespace Win32 -PassThru
# $api::AssocGetPerceivedType(pszExt, ptype, pflag, ppszType)

#uselib "SHLWAPI.dll"
#func global AssocGetPerceivedType "AssocGetPerceivedType" sptr, sptr, sptr, sptr
; AssocGetPerceivedType pszExt, varptr(ptype), varptr(pflag), varptr(ppszType)   ; 戻り値は stat
; pszExt : LPCWSTR -> "sptr"
; ptype : PERCEIVED* out -> "sptr"
; pflag : DWORD* out -> "sptr"
; ppszType : LPWSTR* optional, 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 (
	shlwapi = windows.NewLazySystemDLL("SHLWAPI.dll")
	procAssocGetPerceivedType = shlwapi.NewProc("AssocGetPerceivedType")
)

// pszExt (LPCWSTR), ptype (PERCEIVED* out), pflag (DWORD* out), ppszType (LPWSTR* optional, out)
r1, _, err := procAssocGetPerceivedType.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(pszExt))),
	uintptr(ptype),
	uintptr(pflag),
	uintptr(ppszType),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function AssocGetPerceivedType(
  pszExt: PWideChar;   // LPCWSTR
  ptype: Pointer;   // PERCEIVED* out
  pflag: Pointer;   // DWORD* out
  ppszType: PPWideChar   // LPWSTR* optional, out
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'AssocGetPerceivedType';

result := DllCall("SHLWAPI\AssocGetPerceivedType"
    , "WStr", pszExt   ; LPCWSTR
    , "Ptr", ptype   ; PERCEIVED* out
    , "Ptr", pflag   ; DWORD* out
    , "Ptr", ppszType   ; LPWSTR* optional, out
    , "Int")   ; return: HRESULT

●AssocGetPerceivedType(pszExt, ptype, pflag, ppszType) = DLL("SHLWAPI.dll", "int AssocGetPerceivedType(char*, void*, void*, void*)")
# 呼び出し: AssocGetPerceivedType(pszExt, ptype, pflag, ppszType)
# pszExt : LPCWSTR -> "char*"
# ptype : PERCEIVED* out -> "void*"
# pflag : DWORD* out -> "void*"
# ppszType : LPWSTR* optional, 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 "shlwapi" fn AssocGetPerceivedType(
    pszExt: [*c]const u16, // LPCWSTR
    ptype: [*c]i32, // PERCEIVED* out
    pflag: [*c]u32, // DWORD* out
    ppszType: [*c][*c]u16 // LPWSTR* optional, out
) callconv(std.os.windows.WINAPI) i32;

proc AssocGetPerceivedType(
    pszExt: WideCString,  # LPCWSTR
    ptype: ptr int32,  # PERCEIVED* out
    pflag: ptr uint32,  # DWORD* out
    ppszType: ptr WideCString  # LPWSTR* optional, out
): int32 {.importc: "AssocGetPerceivedType", stdcall, dynlib: "SHLWAPI.dll".}

pragma(lib, "shlwapi");
extern(Windows)
int AssocGetPerceivedType(
    const(wchar)* pszExt,   // LPCWSTR
    int* ptype,   // PERCEIVED* out
    uint* pflag,   // DWORD* out
    wchar** ppszType   // LPWSTR* optional, out
);

ccall((:AssocGetPerceivedType, "SHLWAPI.dll"), stdcall, Int32,
      (Cwstring, Ptr{Int32}, Ptr{UInt32}, Ptr{Ptr{UInt16}}),
      pszExt, ptype, pflag, ppszType)
# pszExt : LPCWSTR -> Cwstring
# ptype : PERCEIVED* out -> Ptr{Int32}
# pflag : DWORD* out -> Ptr{UInt32}
# ppszType : LPWSTR* optional, out -> Ptr{Ptr{UInt16}}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t AssocGetPerceivedType(
    const uint16_t* pszExt,
    int32_t* ptype,
    uint32_t* pflag,
    uint16_t** ppszType);
]]
local shlwapi = ffi.load("shlwapi")
-- shlwapi.AssocGetPerceivedType(pszExt, ptype, pflag, ppszType)
-- pszExt : LPCWSTR
-- ptype : PERCEIVED* out
-- pflag : DWORD* out
-- ppszType : LPWSTR* optional, 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('SHLWAPI.dll');
const AssocGetPerceivedType = lib.func('__stdcall', 'AssocGetPerceivedType', 'int32_t', ['str16', 'int32_t *', 'uint32_t *', 'void *']);
// AssocGetPerceivedType(pszExt, ptype, pflag, ppszType)
// pszExt : LPCWSTR -> 'str16'
// ptype : PERCEIVED* out -> 'int32_t *'
// pflag : DWORD* out -> 'uint32_t *'
// ppszType : LPWSTR* optional, 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("SHLWAPI.dll", {
  AssocGetPerceivedType: { parameters: ["buffer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.AssocGetPerceivedType(pszExt, ptype, pflag, ppszType)
// pszExt : LPCWSTR -> "buffer"
// ptype : PERCEIVED* out -> "pointer"
// pflag : DWORD* out -> "pointer"
// ppszType : LPWSTR* optional, 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 AssocGetPerceivedType(
    const uint16_t* pszExt,
    int32_t* ptype,
    uint32_t* pflag,
    uint16_t** ppszType);
C, "SHLWAPI.dll");
// $ffi->AssocGetPerceivedType(pszExt, ptype, pflag, ppszType);
// pszExt : LPCWSTR
// ptype : PERCEIVED* out
// pflag : DWORD* out
// ppszType : LPWSTR* optional, 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 Shlwapi extends StdCallLibrary {
    Shlwapi INSTANCE = Native.load("shlwapi", Shlwapi.class);
    int AssocGetPerceivedType(
        WString pszExt,   // LPCWSTR
        IntByReference ptype,   // PERCEIVED* out
        IntByReference pflag,   // DWORD* out
        PointerByReference ppszType   // LPWSTR* optional, out
    );
}

@[Link("shlwapi")]
lib LibSHLWAPI
  fun AssocGetPerceivedType = AssocGetPerceivedType(
    pszExt : UInt16*,   # LPCWSTR
    ptype : Int32*,   # PERCEIVED* out
    pflag : UInt32*,   # DWORD* out
    ppszType : UInt16**   # LPWSTR* optional, 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 AssocGetPerceivedTypeNative = Int32 Function(Pointer<Utf16>, Pointer<Int32>, Pointer<Uint32>, Pointer<Pointer<Utf16>>);
typedef AssocGetPerceivedTypeDart = int Function(Pointer<Utf16>, Pointer<Int32>, Pointer<Uint32>, Pointer<Pointer<Utf16>>);
final AssocGetPerceivedType = DynamicLibrary.open('SHLWAPI.dll')
    .lookupFunction<AssocGetPerceivedTypeNative, AssocGetPerceivedTypeDart>('AssocGetPerceivedType');
// pszExt : LPCWSTR -> Pointer<Utf16>
// ptype : PERCEIVED* out -> Pointer<Int32>
// pflag : DWORD* out -> Pointer<Uint32>
// ppszType : LPWSTR* optional, out -> Pointer<Pointer<Utf16>>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function AssocGetPerceivedType(
  pszExt: PWideChar;   // LPCWSTR
  ptype: Pointer;   // PERCEIVED* out
  pflag: Pointer;   // DWORD* out
  ppszType: PPWideChar   // LPWSTR* optional, out
): Integer; stdcall;
  external 'SHLWAPI.dll' name 'AssocGetPerceivedType';

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

foreign import stdcall safe "AssocGetPerceivedType"
  c_AssocGetPerceivedType :: CWString -> Ptr Int32 -> Ptr Word32 -> Ptr CWString -> IO Int32
-- pszExt : LPCWSTR -> CWString
-- ptype : PERCEIVED* out -> Ptr Int32
-- pflag : DWORD* out -> Ptr Word32
-- ppszType : LPWSTR* optional, out -> Ptr CWString
-- 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 assocgetperceivedtype =
  foreign "AssocGetPerceivedType"
    ((ptr uint16_t) @-> (ptr int32_t) @-> (ptr uint32_t) @-> (ptr (ptr uint16_t)) @-> returning int32_t)
(* pszExt : LPCWSTR -> (ptr uint16_t) *)
(* ptype : PERCEIVED* out -> (ptr int32_t) *)
(* pflag : DWORD* out -> (ptr uint32_t) *)
(* ppszType : LPWSTR* optional, out -> (ptr (ptr uint16_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 shlwapi (t "SHLWAPI.dll"))
(cffi:use-foreign-library shlwapi)

(cffi:defcfun ("AssocGetPerceivedType" assoc-get-perceived-type :convention :stdcall) :int32
  (psz-ext (:string :encoding :utf-16le))   ; LPCWSTR
  (ptype :pointer)   ; PERCEIVED* out
  (pflag :pointer)   ; DWORD* out
  (ppsz-type :pointer))   ; LPWSTR* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $AssocGetPerceivedType = Win32::API::More->new('SHLWAPI',
    'int AssocGetPerceivedType(LPCWSTR pszExt, LPVOID ptype, LPVOID pflag, LPVOID ppszType)');
# my $ret = $AssocGetPerceivedType->Call($pszExt, $ptype, $pflag, $ppszType);
# pszExt : LPCWSTR -> LPCWSTR
# ptype : PERCEIVED* out -> LPVOID
# pflag : DWORD* out -> LPVOID
# ppszType : LPWSTR* optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。