QueryActCtxSettingsW

// KERNEL32.dll
#include <windows.h>

BOOL QueryActCtxSettingsW(
    DWORD dwFlags,   // optional
    HANDLE hActCtx,   // optional
    LPCWSTR settingsNameSpace,   // optional
    LPCWSTR settingName,
    LPWSTR pvBuffer,   // optional
    UINT_PTR dwBuffer,
    UINT_PTR* pdwWrittenOrRequired   // optional
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function QueryActCtxSettingsW(
    dwFlags As UInteger,   ' DWORD optional
    hActCtx As IntPtr,   ' HANDLE optional
    <MarshalAs(UnmanagedType.LPWStr)> settingsNameSpace As String,   ' LPCWSTR optional
    <MarshalAs(UnmanagedType.LPWStr)> settingName As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> pvBuffer As System.Text.StringBuilder,   ' LPWSTR optional, out
    dwBuffer As UIntPtr,   ' UINT_PTR
    pdwWrittenOrRequired As IntPtr   ' UINT_PTR* optional, out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' dwFlags : DWORD optional
' hActCtx : HANDLE optional
' settingsNameSpace : LPCWSTR optional
' settingName : LPCWSTR
' pvBuffer : LPWSTR optional, out
' dwBuffer : UINT_PTR
' pdwWrittenOrRequired : UINT_PTR* optional, out
Declare PtrSafe Function QueryActCtxSettingsW Lib "kernel32" ( _
    ByVal dwFlags As Long, _
    ByVal hActCtx As LongPtr, _
    ByVal settingsNameSpace As LongPtr, _
    ByVal settingName As LongPtr, _
    ByVal pvBuffer As LongPtr, _
    ByVal dwBuffer As LongPtr, _
    ByVal pdwWrittenOrRequired 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

QueryActCtxSettingsW = ctypes.windll.kernel32.QueryActCtxSettingsW
QueryActCtxSettingsW.restype = wintypes.BOOL
QueryActCtxSettingsW.argtypes = [
    wintypes.DWORD,  # dwFlags : DWORD optional
    wintypes.HANDLE,  # hActCtx : HANDLE optional
    wintypes.LPCWSTR,  # settingsNameSpace : LPCWSTR optional
    wintypes.LPCWSTR,  # settingName : LPCWSTR
    wintypes.LPWSTR,  # pvBuffer : LPWSTR optional, out
    ctypes.c_size_t,  # dwBuffer : UINT_PTR
    ctypes.POINTER(ctypes.c_size_t),  # pdwWrittenOrRequired : UINT_PTR* optional, out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
QueryActCtxSettingsW = Fiddle::Function.new(
  lib['QueryActCtxSettingsW'],
  [
    -Fiddle::TYPE_INT,  # dwFlags : DWORD optional
    Fiddle::TYPE_VOIDP,  # hActCtx : HANDLE optional
    Fiddle::TYPE_VOIDP,  # settingsNameSpace : LPCWSTR optional
    Fiddle::TYPE_VOIDP,  # settingName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pvBuffer : LPWSTR optional, out
    Fiddle::TYPE_UINTPTR_T,  # dwBuffer : UINT_PTR
    Fiddle::TYPE_VOIDP,  # pdwWrittenOrRequired : UINT_PTR* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn QueryActCtxSettingsW(
        dwFlags: u32,  // DWORD optional
        hActCtx: *mut core::ffi::c_void,  // HANDLE optional
        settingsNameSpace: *const u16,  // LPCWSTR optional
        settingName: *const u16,  // LPCWSTR
        pvBuffer: *mut u16,  // LPWSTR optional, out
        dwBuffer: usize,  // UINT_PTR
        pdwWrittenOrRequired: *mut usize  // UINT_PTR* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("KERNEL32.dll", SetLastError = true)]
public static extern bool QueryActCtxSettingsW(uint dwFlags, IntPtr hActCtx, [MarshalAs(UnmanagedType.LPWStr)] string settingsNameSpace, [MarshalAs(UnmanagedType.LPWStr)] string settingName, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder pvBuffer, UIntPtr dwBuffer, IntPtr pdwWrittenOrRequired);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_QueryActCtxSettingsW' -Namespace Win32 -PassThru
# $api::QueryActCtxSettingsW(dwFlags, hActCtx, settingsNameSpace, settingName, pvBuffer, dwBuffer, pdwWrittenOrRequired)

#uselib "KERNEL32.dll"
#func global QueryActCtxSettingsW "QueryActCtxSettingsW" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; QueryActCtxSettingsW dwFlags, hActCtx, settingsNameSpace, settingName, varptr(pvBuffer), dwBuffer, varptr(pdwWrittenOrRequired)   ; 戻り値は stat
; dwFlags : DWORD optional -> "sptr"
; hActCtx : HANDLE optional -> "sptr"
; settingsNameSpace : LPCWSTR optional -> "sptr"
; settingName : LPCWSTR -> "sptr"
; pvBuffer : LPWSTR optional, out -> "sptr"
; dwBuffer : UINT_PTR -> "sptr"
; pdwWrittenOrRequired : UINT_PTR* 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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procQueryActCtxSettingsW = kernel32.NewProc("QueryActCtxSettingsW")
)

// dwFlags (DWORD optional), hActCtx (HANDLE optional), settingsNameSpace (LPCWSTR optional), settingName (LPCWSTR), pvBuffer (LPWSTR optional, out), dwBuffer (UINT_PTR), pdwWrittenOrRequired (UINT_PTR* optional, out)
r1, _, err := procQueryActCtxSettingsW.Call(
	uintptr(dwFlags),
	uintptr(hActCtx),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(settingsNameSpace))),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(settingName))),
	uintptr(pvBuffer),
	uintptr(dwBuffer),
	uintptr(pdwWrittenOrRequired),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function QueryActCtxSettingsW(
  dwFlags: DWORD;   // DWORD optional
  hActCtx: THandle;   // HANDLE optional
  settingsNameSpace: PWideChar;   // LPCWSTR optional
  settingName: PWideChar;   // LPCWSTR
  pvBuffer: PWideChar;   // LPWSTR optional, out
  dwBuffer: NativeUInt;   // UINT_PTR
  pdwWrittenOrRequired: Pointer   // UINT_PTR* optional, out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'QueryActCtxSettingsW';

result := DllCall("KERNEL32\QueryActCtxSettingsW"
    , "UInt", dwFlags   ; DWORD optional
    , "Ptr", hActCtx   ; HANDLE optional
    , "WStr", settingsNameSpace   ; LPCWSTR optional
    , "WStr", settingName   ; LPCWSTR
    , "Ptr", pvBuffer   ; LPWSTR optional, out
    , "UPtr", dwBuffer   ; UINT_PTR
    , "Ptr", pdwWrittenOrRequired   ; UINT_PTR* optional, out
    , "Int")   ; return: BOOL

●QueryActCtxSettingsW(dwFlags, hActCtx, settingsNameSpace, settingName, pvBuffer, dwBuffer, pdwWrittenOrRequired) = DLL("KERNEL32.dll", "bool QueryActCtxSettingsW(dword, void*, char*, char*, char*, int, void*)")
# 呼び出し: QueryActCtxSettingsW(dwFlags, hActCtx, settingsNameSpace, settingName, pvBuffer, dwBuffer, pdwWrittenOrRequired)
# dwFlags : DWORD optional -> "dword"
# hActCtx : HANDLE optional -> "void*"
# settingsNameSpace : LPCWSTR optional -> "char*"
# settingName : LPCWSTR -> "char*"
# pvBuffer : LPWSTR optional, out -> "char*"
# dwBuffer : UINT_PTR -> "int"
# pdwWrittenOrRequired : UINT_PTR* 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 "kernel32" fn QueryActCtxSettingsW(
    dwFlags: u32, // DWORD optional
    hActCtx: ?*anyopaque, // HANDLE optional
    settingsNameSpace: [*c]const u16, // LPCWSTR optional
    settingName: [*c]const u16, // LPCWSTR
    pvBuffer: [*c]u16, // LPWSTR optional, out
    dwBuffer: usize, // UINT_PTR
    pdwWrittenOrRequired: [*c]usize // UINT_PTR* optional, out
) callconv(std.os.windows.WINAPI) i32;

proc QueryActCtxSettingsW(
    dwFlags: uint32,  # DWORD optional
    hActCtx: pointer,  # HANDLE optional
    settingsNameSpace: WideCString,  # LPCWSTR optional
    settingName: WideCString,  # LPCWSTR
    pvBuffer: ptr uint16,  # LPWSTR optional, out
    dwBuffer: uint,  # UINT_PTR
    pdwWrittenOrRequired: ptr uint  # UINT_PTR* optional, out
): int32 {.importc: "QueryActCtxSettingsW", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
int QueryActCtxSettingsW(
    uint dwFlags,   // DWORD optional
    void* hActCtx,   // HANDLE optional
    const(wchar)* settingsNameSpace,   // LPCWSTR optional
    const(wchar)* settingName,   // LPCWSTR
    wchar* pvBuffer,   // LPWSTR optional, out
    size_t dwBuffer,   // UINT_PTR
    size_t* pdwWrittenOrRequired   // UINT_PTR* optional, out
);

ccall((:QueryActCtxSettingsW, "KERNEL32.dll"), stdcall, Int32,
      (UInt32, Ptr{Cvoid}, Cwstring, Cwstring, Ptr{UInt16}, Csize_t, Ptr{Csize_t}),
      dwFlags, hActCtx, settingsNameSpace, settingName, pvBuffer, dwBuffer, pdwWrittenOrRequired)
# dwFlags : DWORD optional -> UInt32
# hActCtx : HANDLE optional -> Ptr{Cvoid}
# settingsNameSpace : LPCWSTR optional -> Cwstring
# settingName : LPCWSTR -> Cwstring
# pvBuffer : LPWSTR optional, out -> Ptr{UInt16}
# dwBuffer : UINT_PTR -> Csize_t
# pdwWrittenOrRequired : UINT_PTR* optional, out -> Ptr{Csize_t}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t QueryActCtxSettingsW(
    uint32_t dwFlags,
    void* hActCtx,
    const uint16_t* settingsNameSpace,
    const uint16_t* settingName,
    uint16_t* pvBuffer,
    uintptr_t dwBuffer,
    uintptr_t* pdwWrittenOrRequired);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.QueryActCtxSettingsW(dwFlags, hActCtx, settingsNameSpace, settingName, pvBuffer, dwBuffer, pdwWrittenOrRequired)
-- dwFlags : DWORD optional
-- hActCtx : HANDLE optional
-- settingsNameSpace : LPCWSTR optional
-- settingName : LPCWSTR
-- pvBuffer : LPWSTR optional, out
-- dwBuffer : UINT_PTR
-- pdwWrittenOrRequired : UINT_PTR* 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('KERNEL32.dll');
const QueryActCtxSettingsW = lib.func('__stdcall', 'QueryActCtxSettingsW', 'int32_t', ['uint32_t', 'void *', 'str16', 'str16', 'uint16_t *', 'uintptr_t', 'uintptr_t *']);
// QueryActCtxSettingsW(dwFlags, hActCtx, settingsNameSpace, settingName, pvBuffer, dwBuffer, pdwWrittenOrRequired)
// dwFlags : DWORD optional -> 'uint32_t'
// hActCtx : HANDLE optional -> 'void *'
// settingsNameSpace : LPCWSTR optional -> 'str16'
// settingName : LPCWSTR -> 'str16'
// pvBuffer : LPWSTR optional, out -> 'uint16_t *'
// dwBuffer : UINT_PTR -> 'uintptr_t'
// pdwWrittenOrRequired : UINT_PTR* optional, out -> 'uintptr_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("KERNEL32.dll", {
  QueryActCtxSettingsW: { parameters: ["u32", "pointer", "buffer", "buffer", "buffer", "usize", "pointer"], result: "i32" },
});
// lib.symbols.QueryActCtxSettingsW(dwFlags, hActCtx, settingsNameSpace, settingName, pvBuffer, dwBuffer, pdwWrittenOrRequired)
// dwFlags : DWORD optional -> "u32"
// hActCtx : HANDLE optional -> "pointer"
// settingsNameSpace : LPCWSTR optional -> "buffer"
// settingName : LPCWSTR -> "buffer"
// pvBuffer : LPWSTR optional, out -> "buffer"
// dwBuffer : UINT_PTR -> "usize"
// pdwWrittenOrRequired : UINT_PTR* 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 QueryActCtxSettingsW(
    uint32_t dwFlags,
    void* hActCtx,
    const uint16_t* settingsNameSpace,
    const uint16_t* settingName,
    uint16_t* pvBuffer,
    size_t dwBuffer,
    size_t* pdwWrittenOrRequired);
C, "KERNEL32.dll");
// $ffi->QueryActCtxSettingsW(dwFlags, hActCtx, settingsNameSpace, settingName, pvBuffer, dwBuffer, pdwWrittenOrRequired);
// dwFlags : DWORD optional
// hActCtx : HANDLE optional
// settingsNameSpace : LPCWSTR optional
// settingName : LPCWSTR
// pvBuffer : LPWSTR optional, out
// dwBuffer : UINT_PTR
// pdwWrittenOrRequired : UINT_PTR* 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 Kernel32 extends StdCallLibrary {
    Kernel32 INSTANCE = Native.load("kernel32", Kernel32.class);
    boolean QueryActCtxSettingsW(
        int dwFlags,   // DWORD optional
        Pointer hActCtx,   // HANDLE optional
        WString settingsNameSpace,   // LPCWSTR optional
        WString settingName,   // LPCWSTR
        char[] pvBuffer,   // LPWSTR optional, out
        long dwBuffer,   // UINT_PTR
        LongByReference pdwWrittenOrRequired   // UINT_PTR* optional, out
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun QueryActCtxSettingsW = QueryActCtxSettingsW(
    dwFlags : UInt32,   # DWORD optional
    hActCtx : Void*,   # HANDLE optional
    settingsNameSpace : UInt16*,   # LPCWSTR optional
    settingName : UInt16*,   # LPCWSTR
    pvBuffer : UInt16*,   # LPWSTR optional, out
    dwBuffer : LibC::SizeT,   # UINT_PTR
    pdwWrittenOrRequired : LibC::SizeT*   # UINT_PTR* 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 QueryActCtxSettingsWNative = Int32 Function(Uint32, Pointer<Void>, Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>, UintPtr, Pointer<UintPtr>);
typedef QueryActCtxSettingsWDart = int Function(int, Pointer<Void>, Pointer<Utf16>, Pointer<Utf16>, Pointer<Utf16>, int, Pointer<UintPtr>);
final QueryActCtxSettingsW = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<QueryActCtxSettingsWNative, QueryActCtxSettingsWDart>('QueryActCtxSettingsW');
// dwFlags : DWORD optional -> Uint32
// hActCtx : HANDLE optional -> Pointer<Void>
// settingsNameSpace : LPCWSTR optional -> Pointer<Utf16>
// settingName : LPCWSTR -> Pointer<Utf16>
// pvBuffer : LPWSTR optional, out -> Pointer<Utf16>
// dwBuffer : UINT_PTR -> UintPtr
// pdwWrittenOrRequired : UINT_PTR* optional, out -> Pointer<UintPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function QueryActCtxSettingsW(
  dwFlags: DWORD;   // DWORD optional
  hActCtx: THandle;   // HANDLE optional
  settingsNameSpace: PWideChar;   // LPCWSTR optional
  settingName: PWideChar;   // LPCWSTR
  pvBuffer: PWideChar;   // LPWSTR optional, out
  dwBuffer: NativeUInt;   // UINT_PTR
  pdwWrittenOrRequired: Pointer   // UINT_PTR* optional, out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'QueryActCtxSettingsW';

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

foreign import stdcall safe "QueryActCtxSettingsW"
  c_QueryActCtxSettingsW :: Word32 -> Ptr () -> CWString -> CWString -> CWString -> CUIntPtr -> Ptr CUIntPtr -> IO CInt
-- dwFlags : DWORD optional -> Word32
-- hActCtx : HANDLE optional -> Ptr ()
-- settingsNameSpace : LPCWSTR optional -> CWString
-- settingName : LPCWSTR -> CWString
-- pvBuffer : LPWSTR optional, out -> CWString
-- dwBuffer : UINT_PTR -> CUIntPtr
-- pdwWrittenOrRequired : UINT_PTR* optional, out -> Ptr CUIntPtr
-- 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 queryactctxsettingsw =
  foreign "QueryActCtxSettingsW"
    (uint32_t @-> (ptr void) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> (ptr uint16_t) @-> size_t @-> (ptr size_t) @-> returning int32_t)
(* dwFlags : DWORD optional -> uint32_t *)
(* hActCtx : HANDLE optional -> (ptr void) *)
(* settingsNameSpace : LPCWSTR optional -> (ptr uint16_t) *)
(* settingName : LPCWSTR -> (ptr uint16_t) *)
(* pvBuffer : LPWSTR optional, out -> (ptr uint16_t) *)
(* dwBuffer : UINT_PTR -> size_t *)
(* pdwWrittenOrRequired : UINT_PTR* optional, out -> (ptr size_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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("QueryActCtxSettingsW" query-act-ctx-settings-w :convention :stdcall) :int32
  (dw-flags :uint32)   ; DWORD optional
  (h-act-ctx :pointer)   ; HANDLE optional
  (settings-name-space (:string :encoding :utf-16le))   ; LPCWSTR optional
  (setting-name (:string :encoding :utf-16le))   ; LPCWSTR
  (pv-buffer :pointer)   ; LPWSTR optional, out
  (dw-buffer :uint64)   ; UINT_PTR
  (pdw-written-or-required :pointer))   ; UINT_PTR* optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $QueryActCtxSettingsW = Win32::API::More->new('KERNEL32',
    'BOOL QueryActCtxSettingsW(DWORD dwFlags, HANDLE hActCtx, LPCWSTR settingsNameSpace, LPCWSTR settingName, LPWSTR pvBuffer, WPARAM dwBuffer, LPVOID pdwWrittenOrRequired)');
# my $ret = $QueryActCtxSettingsW->Call($dwFlags, $hActCtx, $settingsNameSpace, $settingName, $pvBuffer, $dwBuffer, $pdwWrittenOrRequired);
# dwFlags : DWORD optional -> DWORD
# hActCtx : HANDLE optional -> HANDLE
# settingsNameSpace : LPCWSTR optional -> LPCWSTR
# settingName : LPCWSTR -> LPCWSTR
# pvBuffer : LPWSTR optional, out -> LPWSTR
# dwBuffer : UINT_PTR -> WPARAM
# pdwWrittenOrRequired : UINT_PTR* 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。