QueryActCtxW

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

BOOL QueryActCtxW(
    DWORD dwFlags,
    HANDLE hActCtx,
    void* pvSubInstance,   // optional
    DWORD ulInfoClass,
    void* pvBuffer,   // optional
    UINT_PTR cbBuffer,
    UINT_PTR* pcbWrittenOrRequired   // optional
);

<DllImport("KERNEL32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function QueryActCtxW(
    dwFlags As UInteger,   ' DWORD
    hActCtx As IntPtr,   ' HANDLE
    pvSubInstance As IntPtr,   ' void* optional
    ulInfoClass As UInteger,   ' DWORD
    pvBuffer As IntPtr,   ' void* optional, out
    cbBuffer As UIntPtr,   ' UINT_PTR
    pcbWrittenOrRequired As IntPtr   ' UINT_PTR* optional, out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' dwFlags : DWORD
' hActCtx : HANDLE
' pvSubInstance : void* optional
' ulInfoClass : DWORD
' pvBuffer : void* optional, out
' cbBuffer : UINT_PTR
' pcbWrittenOrRequired : UINT_PTR* optional, out
Declare PtrSafe Function QueryActCtxW Lib "kernel32" ( _
    ByVal dwFlags As Long, _
    ByVal hActCtx As LongPtr, _
    ByVal pvSubInstance As LongPtr, _
    ByVal ulInfoClass As Long, _
    ByVal pvBuffer As LongPtr, _
    ByVal cbBuffer As LongPtr, _
    ByVal pcbWrittenOrRequired 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

QueryActCtxW = ctypes.windll.kernel32.QueryActCtxW
QueryActCtxW.restype = wintypes.BOOL
QueryActCtxW.argtypes = [
    wintypes.DWORD,  # dwFlags : DWORD
    wintypes.HANDLE,  # hActCtx : HANDLE
    ctypes.POINTER(None),  # pvSubInstance : void* optional
    wintypes.DWORD,  # ulInfoClass : DWORD
    ctypes.POINTER(None),  # pvBuffer : void* optional, out
    ctypes.c_size_t,  # cbBuffer : UINT_PTR
    ctypes.POINTER(ctypes.c_size_t),  # pcbWrittenOrRequired : 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')
QueryActCtxW = Fiddle::Function.new(
  lib['QueryActCtxW'],
  [
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # hActCtx : HANDLE
    Fiddle::TYPE_VOIDP,  # pvSubInstance : void* optional
    -Fiddle::TYPE_INT,  # ulInfoClass : DWORD
    Fiddle::TYPE_VOIDP,  # pvBuffer : void* optional, out
    Fiddle::TYPE_UINTPTR_T,  # cbBuffer : UINT_PTR
    Fiddle::TYPE_VOIDP,  # pcbWrittenOrRequired : UINT_PTR* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn QueryActCtxW(
        dwFlags: u32,  // DWORD
        hActCtx: *mut core::ffi::c_void,  // HANDLE
        pvSubInstance: *mut (),  // void* optional
        ulInfoClass: u32,  // DWORD
        pvBuffer: *mut (),  // void* optional, out
        cbBuffer: usize,  // UINT_PTR
        pcbWrittenOrRequired: *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 QueryActCtxW(uint dwFlags, IntPtr hActCtx, IntPtr pvSubInstance, uint ulInfoClass, IntPtr pvBuffer, UIntPtr cbBuffer, IntPtr pcbWrittenOrRequired);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_QueryActCtxW' -Namespace Win32 -PassThru
# $api::QueryActCtxW(dwFlags, hActCtx, pvSubInstance, ulInfoClass, pvBuffer, cbBuffer, pcbWrittenOrRequired)

#uselib "KERNEL32.dll"
#func global QueryActCtxW "QueryActCtxW" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; QueryActCtxW dwFlags, hActCtx, pvSubInstance, ulInfoClass, pvBuffer, cbBuffer, varptr(pcbWrittenOrRequired)   ; 戻り値は stat
; dwFlags : DWORD -> "sptr"
; hActCtx : HANDLE -> "sptr"
; pvSubInstance : void* optional -> "sptr"
; ulInfoClass : DWORD -> "sptr"
; pvBuffer : void* optional, out -> "sptr"
; cbBuffer : UINT_PTR -> "sptr"
; pcbWrittenOrRequired : 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")
	procQueryActCtxW = kernel32.NewProc("QueryActCtxW")
)

// dwFlags (DWORD), hActCtx (HANDLE), pvSubInstance (void* optional), ulInfoClass (DWORD), pvBuffer (void* optional, out), cbBuffer (UINT_PTR), pcbWrittenOrRequired (UINT_PTR* optional, out)
r1, _, err := procQueryActCtxW.Call(
	uintptr(dwFlags),
	uintptr(hActCtx),
	uintptr(pvSubInstance),
	uintptr(ulInfoClass),
	uintptr(pvBuffer),
	uintptr(cbBuffer),
	uintptr(pcbWrittenOrRequired),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function QueryActCtxW(
  dwFlags: DWORD;   // DWORD
  hActCtx: THandle;   // HANDLE
  pvSubInstance: Pointer;   // void* optional
  ulInfoClass: DWORD;   // DWORD
  pvBuffer: Pointer;   // void* optional, out
  cbBuffer: NativeUInt;   // UINT_PTR
  pcbWrittenOrRequired: Pointer   // UINT_PTR* optional, out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'QueryActCtxW';

result := DllCall("KERNEL32\QueryActCtxW"
    , "UInt", dwFlags   ; DWORD
    , "Ptr", hActCtx   ; HANDLE
    , "Ptr", pvSubInstance   ; void* optional
    , "UInt", ulInfoClass   ; DWORD
    , "Ptr", pvBuffer   ; void* optional, out
    , "UPtr", cbBuffer   ; UINT_PTR
    , "Ptr", pcbWrittenOrRequired   ; UINT_PTR* optional, out
    , "Int")   ; return: BOOL

●QueryActCtxW(dwFlags, hActCtx, pvSubInstance, ulInfoClass, pvBuffer, cbBuffer, pcbWrittenOrRequired) = DLL("KERNEL32.dll", "bool QueryActCtxW(dword, void*, void*, dword, void*, int, void*)")
# 呼び出し: QueryActCtxW(dwFlags, hActCtx, pvSubInstance, ulInfoClass, pvBuffer, cbBuffer, pcbWrittenOrRequired)
# dwFlags : DWORD -> "dword"
# hActCtx : HANDLE -> "void*"
# pvSubInstance : void* optional -> "void*"
# ulInfoClass : DWORD -> "dword"
# pvBuffer : void* optional, out -> "void*"
# cbBuffer : UINT_PTR -> "int"
# pcbWrittenOrRequired : 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 QueryActCtxW(
    dwFlags: u32, // DWORD
    hActCtx: ?*anyopaque, // HANDLE
    pvSubInstance: ?*anyopaque, // void* optional
    ulInfoClass: u32, // DWORD
    pvBuffer: ?*anyopaque, // void* optional, out
    cbBuffer: usize, // UINT_PTR
    pcbWrittenOrRequired: [*c]usize // UINT_PTR* optional, out
) callconv(std.os.windows.WINAPI) i32;

proc QueryActCtxW(
    dwFlags: uint32,  # DWORD
    hActCtx: pointer,  # HANDLE
    pvSubInstance: pointer,  # void* optional
    ulInfoClass: uint32,  # DWORD
    pvBuffer: pointer,  # void* optional, out
    cbBuffer: uint,  # UINT_PTR
    pcbWrittenOrRequired: ptr uint  # UINT_PTR* optional, out
): int32 {.importc: "QueryActCtxW", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
int QueryActCtxW(
    uint dwFlags,   // DWORD
    void* hActCtx,   // HANDLE
    void* pvSubInstance,   // void* optional
    uint ulInfoClass,   // DWORD
    void* pvBuffer,   // void* optional, out
    size_t cbBuffer,   // UINT_PTR
    size_t* pcbWrittenOrRequired   // UINT_PTR* optional, out
);

ccall((:QueryActCtxW, "KERNEL32.dll"), stdcall, Int32,
      (UInt32, Ptr{Cvoid}, Ptr{Cvoid}, UInt32, Ptr{Cvoid}, Csize_t, Ptr{Csize_t}),
      dwFlags, hActCtx, pvSubInstance, ulInfoClass, pvBuffer, cbBuffer, pcbWrittenOrRequired)
# dwFlags : DWORD -> UInt32
# hActCtx : HANDLE -> Ptr{Cvoid}
# pvSubInstance : void* optional -> Ptr{Cvoid}
# ulInfoClass : DWORD -> UInt32
# pvBuffer : void* optional, out -> Ptr{Cvoid}
# cbBuffer : UINT_PTR -> Csize_t
# pcbWrittenOrRequired : 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 QueryActCtxW(
    uint32_t dwFlags,
    void* hActCtx,
    void* pvSubInstance,
    uint32_t ulInfoClass,
    void* pvBuffer,
    uintptr_t cbBuffer,
    uintptr_t* pcbWrittenOrRequired);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.QueryActCtxW(dwFlags, hActCtx, pvSubInstance, ulInfoClass, pvBuffer, cbBuffer, pcbWrittenOrRequired)
-- dwFlags : DWORD
-- hActCtx : HANDLE
-- pvSubInstance : void* optional
-- ulInfoClass : DWORD
-- pvBuffer : void* optional, out
-- cbBuffer : UINT_PTR
-- pcbWrittenOrRequired : 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 QueryActCtxW = lib.func('__stdcall', 'QueryActCtxW', 'int32_t', ['uint32_t', 'void *', 'void *', 'uint32_t', 'void *', 'uintptr_t', 'uintptr_t *']);
// QueryActCtxW(dwFlags, hActCtx, pvSubInstance, ulInfoClass, pvBuffer, cbBuffer, pcbWrittenOrRequired)
// dwFlags : DWORD -> 'uint32_t'
// hActCtx : HANDLE -> 'void *'
// pvSubInstance : void* optional -> 'void *'
// ulInfoClass : DWORD -> 'uint32_t'
// pvBuffer : void* optional, out -> 'void *'
// cbBuffer : UINT_PTR -> 'uintptr_t'
// pcbWrittenOrRequired : 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", {
  QueryActCtxW: { parameters: ["u32", "pointer", "pointer", "u32", "pointer", "usize", "pointer"], result: "i32" },
});
// lib.symbols.QueryActCtxW(dwFlags, hActCtx, pvSubInstance, ulInfoClass, pvBuffer, cbBuffer, pcbWrittenOrRequired)
// dwFlags : DWORD -> "u32"
// hActCtx : HANDLE -> "pointer"
// pvSubInstance : void* optional -> "pointer"
// ulInfoClass : DWORD -> "u32"
// pvBuffer : void* optional, out -> "pointer"
// cbBuffer : UINT_PTR -> "usize"
// pcbWrittenOrRequired : 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 QueryActCtxW(
    uint32_t dwFlags,
    void* hActCtx,
    void* pvSubInstance,
    uint32_t ulInfoClass,
    void* pvBuffer,
    size_t cbBuffer,
    size_t* pcbWrittenOrRequired);
C, "KERNEL32.dll");
// $ffi->QueryActCtxW(dwFlags, hActCtx, pvSubInstance, ulInfoClass, pvBuffer, cbBuffer, pcbWrittenOrRequired);
// dwFlags : DWORD
// hActCtx : HANDLE
// pvSubInstance : void* optional
// ulInfoClass : DWORD
// pvBuffer : void* optional, out
// cbBuffer : UINT_PTR
// pcbWrittenOrRequired : 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 QueryActCtxW(
        int dwFlags,   // DWORD
        Pointer hActCtx,   // HANDLE
        Pointer pvSubInstance,   // void* optional
        int ulInfoClass,   // DWORD
        Pointer pvBuffer,   // void* optional, out
        long cbBuffer,   // UINT_PTR
        LongByReference pcbWrittenOrRequired   // UINT_PTR* optional, out
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun QueryActCtxW = QueryActCtxW(
    dwFlags : UInt32,   # DWORD
    hActCtx : Void*,   # HANDLE
    pvSubInstance : Void*,   # void* optional
    ulInfoClass : UInt32,   # DWORD
    pvBuffer : Void*,   # void* optional, out
    cbBuffer : LibC::SizeT,   # UINT_PTR
    pcbWrittenOrRequired : 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 QueryActCtxWNative = Int32 Function(Uint32, Pointer<Void>, Pointer<Void>, Uint32, Pointer<Void>, UintPtr, Pointer<UintPtr>);
typedef QueryActCtxWDart = int Function(int, Pointer<Void>, Pointer<Void>, int, Pointer<Void>, int, Pointer<UintPtr>);
final QueryActCtxW = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<QueryActCtxWNative, QueryActCtxWDart>('QueryActCtxW');
// dwFlags : DWORD -> Uint32
// hActCtx : HANDLE -> Pointer<Void>
// pvSubInstance : void* optional -> Pointer<Void>
// ulInfoClass : DWORD -> Uint32
// pvBuffer : void* optional, out -> Pointer<Void>
// cbBuffer : UINT_PTR -> UintPtr
// pcbWrittenOrRequired : UINT_PTR* optional, out -> Pointer<UintPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function QueryActCtxW(
  dwFlags: DWORD;   // DWORD
  hActCtx: THandle;   // HANDLE
  pvSubInstance: Pointer;   // void* optional
  ulInfoClass: DWORD;   // DWORD
  pvBuffer: Pointer;   // void* optional, out
  cbBuffer: NativeUInt;   // UINT_PTR
  pcbWrittenOrRequired: Pointer   // UINT_PTR* optional, out
): BOOL; stdcall;
  external 'KERNEL32.dll' name 'QueryActCtxW';

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

foreign import stdcall safe "QueryActCtxW"
  c_QueryActCtxW :: Word32 -> Ptr () -> Ptr () -> Word32 -> Ptr () -> CUIntPtr -> Ptr CUIntPtr -> IO CInt
-- dwFlags : DWORD -> Word32
-- hActCtx : HANDLE -> Ptr ()
-- pvSubInstance : void* optional -> Ptr ()
-- ulInfoClass : DWORD -> Word32
-- pvBuffer : void* optional, out -> Ptr ()
-- cbBuffer : UINT_PTR -> CUIntPtr
-- pcbWrittenOrRequired : 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 queryactctxw =
  foreign "QueryActCtxW"
    (uint32_t @-> (ptr void) @-> (ptr void) @-> uint32_t @-> (ptr void) @-> size_t @-> (ptr size_t) @-> returning int32_t)
(* dwFlags : DWORD -> uint32_t *)
(* hActCtx : HANDLE -> (ptr void) *)
(* pvSubInstance : void* optional -> (ptr void) *)
(* ulInfoClass : DWORD -> uint32_t *)
(* pvBuffer : void* optional, out -> (ptr void) *)
(* cbBuffer : UINT_PTR -> size_t *)
(* pcbWrittenOrRequired : 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 ("QueryActCtxW" query-act-ctx-w :convention :stdcall) :int32
  (dw-flags :uint32)   ; DWORD
  (h-act-ctx :pointer)   ; HANDLE
  (pv-sub-instance :pointer)   ; void* optional
  (ul-info-class :uint32)   ; DWORD
  (pv-buffer :pointer)   ; void* optional, out
  (cb-buffer :uint64)   ; UINT_PTR
  (pcb-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 $QueryActCtxW = Win32::API::More->new('KERNEL32',
    'BOOL QueryActCtxW(DWORD dwFlags, HANDLE hActCtx, LPVOID pvSubInstance, DWORD ulInfoClass, LPVOID pvBuffer, WPARAM cbBuffer, LPVOID pcbWrittenOrRequired)');
# my $ret = $QueryActCtxW->Call($dwFlags, $hActCtx, $pvSubInstance, $ulInfoClass, $pvBuffer, $cbBuffer, $pcbWrittenOrRequired);
# dwFlags : DWORD -> DWORD
# hActCtx : HANDLE -> HANDLE
# pvSubInstance : void* optional -> LPVOID
# ulInfoClass : DWORD -> DWORD
# pvBuffer : void* optional, out -> LPVOID
# cbBuffer : UINT_PTR -> WPARAM
# pcbWrittenOrRequired : 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。