GetProcessesInVirtualizationContext

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

HRESULT GetProcessesInVirtualizationContext(
    LPCWSTR packageFamilyName,
    DWORD* count,
    HANDLE** processes
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Function GetProcessesInVirtualizationContext(
    <MarshalAs(UnmanagedType.LPWStr)> packageFamilyName As String,   ' LPCWSTR
    <Out> ByRef count As UInteger,   ' DWORD* out
    processes As IntPtr   ' HANDLE** out
) As Integer
End Function

' packageFamilyName : LPCWSTR
' count : DWORD* out
' processes : HANDLE** out
Declare PtrSafe Function GetProcessesInVirtualizationContext Lib "kernel32" ( _
    ByVal packageFamilyName As LongPtr, _
    ByRef count As Long, _
    ByVal processes 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

GetProcessesInVirtualizationContext = ctypes.windll.kernel32.GetProcessesInVirtualizationContext
GetProcessesInVirtualizationContext.restype = ctypes.c_int
GetProcessesInVirtualizationContext.argtypes = [
    wintypes.LPCWSTR,  # packageFamilyName : LPCWSTR
    ctypes.POINTER(wintypes.DWORD),  # count : DWORD* out
    ctypes.c_void_p,  # processes : HANDLE** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
GetProcessesInVirtualizationContext = Fiddle::Function.new(
  lib['GetProcessesInVirtualizationContext'],
  [
    Fiddle::TYPE_VOIDP,  # packageFamilyName : LPCWSTR
    Fiddle::TYPE_VOIDP,  # count : DWORD* out
    Fiddle::TYPE_VOIDP,  # processes : HANDLE** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "kernel32")]
extern "system" {
    fn GetProcessesInVirtualizationContext(
        packageFamilyName: *const u16,  // LPCWSTR
        count: *mut u32,  // DWORD* out
        processes: *mut *mut *mut core::ffi::c_void  // HANDLE** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern int GetProcessesInVirtualizationContext([MarshalAs(UnmanagedType.LPWStr)] string packageFamilyName, out uint count, IntPtr processes);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_GetProcessesInVirtualizationContext' -Namespace Win32 -PassThru
# $api::GetProcessesInVirtualizationContext(packageFamilyName, count, processes)

#uselib "KERNEL32.dll"
#func global GetProcessesInVirtualizationContext "GetProcessesInVirtualizationContext" sptr, sptr, sptr
; GetProcessesInVirtualizationContext packageFamilyName, varptr(count), processes   ; 戻り値は stat
; packageFamilyName : LPCWSTR -> "sptr"
; count : DWORD* out -> "sptr"
; processes : HANDLE** 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")
	procGetProcessesInVirtualizationContext = kernel32.NewProc("GetProcessesInVirtualizationContext")
)

// packageFamilyName (LPCWSTR), count (DWORD* out), processes (HANDLE** out)
r1, _, err := procGetProcessesInVirtualizationContext.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(packageFamilyName))),
	uintptr(count),
	uintptr(processes),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GetProcessesInVirtualizationContext(
  packageFamilyName: PWideChar;   // LPCWSTR
  count: Pointer;   // DWORD* out
  processes: Pointer   // HANDLE** out
): Integer; stdcall;
  external 'KERNEL32.dll' name 'GetProcessesInVirtualizationContext';

result := DllCall("KERNEL32\GetProcessesInVirtualizationContext"
    , "WStr", packageFamilyName   ; LPCWSTR
    , "Ptr", count   ; DWORD* out
    , "Ptr", processes   ; HANDLE** out
    , "Int")   ; return: HRESULT

●GetProcessesInVirtualizationContext(packageFamilyName, count, processes) = DLL("KERNEL32.dll", "int GetProcessesInVirtualizationContext(char*, void*, void*)")
# 呼び出し: GetProcessesInVirtualizationContext(packageFamilyName, count, processes)
# packageFamilyName : LPCWSTR -> "char*"
# count : DWORD* out -> "void*"
# processes : HANDLE** 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 GetProcessesInVirtualizationContext(
    packageFamilyName: [*c]const u16, // LPCWSTR
    count: [*c]u32, // DWORD* out
    processes: ?*anyopaque // HANDLE** out
) callconv(std.os.windows.WINAPI) i32;

proc GetProcessesInVirtualizationContext(
    packageFamilyName: WideCString,  # LPCWSTR
    count: ptr uint32,  # DWORD* out
    processes: pointer  # HANDLE** out
): int32 {.importc: "GetProcessesInVirtualizationContext", stdcall, dynlib: "KERNEL32.dll".}

pragma(lib, "kernel32");
extern(Windows)
int GetProcessesInVirtualizationContext(
    const(wchar)* packageFamilyName,   // LPCWSTR
    uint* count,   // DWORD* out
    void* processes   // HANDLE** out
);

ccall((:GetProcessesInVirtualizationContext, "KERNEL32.dll"), stdcall, Int32,
      (Cwstring, Ptr{UInt32}, Ptr{Cvoid}),
      packageFamilyName, count, processes)
# packageFamilyName : LPCWSTR -> Cwstring
# count : DWORD* out -> Ptr{UInt32}
# processes : HANDLE** 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 GetProcessesInVirtualizationContext(
    const uint16_t* packageFamilyName,
    uint32_t* count,
    void* processes);
]]
local kernel32 = ffi.load("kernel32")
-- kernel32.GetProcessesInVirtualizationContext(packageFamilyName, count, processes)
-- packageFamilyName : LPCWSTR
-- count : DWORD* out
-- processes : HANDLE** 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 GetProcessesInVirtualizationContext = lib.func('__stdcall', 'GetProcessesInVirtualizationContext', 'int32_t', ['str16', 'uint32_t *', 'void *']);
// GetProcessesInVirtualizationContext(packageFamilyName, count, processes)
// packageFamilyName : LPCWSTR -> 'str16'
// count : DWORD* out -> 'uint32_t *'
// processes : HANDLE** 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("KERNEL32.dll", {
  GetProcessesInVirtualizationContext: { parameters: ["buffer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.GetProcessesInVirtualizationContext(packageFamilyName, count, processes)
// packageFamilyName : LPCWSTR -> "buffer"
// count : DWORD* out -> "pointer"
// processes : HANDLE** 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 GetProcessesInVirtualizationContext(
    const uint16_t* packageFamilyName,
    uint32_t* count,
    void* processes);
C, "KERNEL32.dll");
// $ffi->GetProcessesInVirtualizationContext(packageFamilyName, count, processes);
// packageFamilyName : LPCWSTR
// count : DWORD* out
// processes : HANDLE** 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);
    int GetProcessesInVirtualizationContext(
        WString packageFamilyName,   // LPCWSTR
        IntByReference count,   // DWORD* out
        Pointer processes   // HANDLE** out
    );
}

@[Link("kernel32")]
lib LibKERNEL32
  fun GetProcessesInVirtualizationContext = GetProcessesInVirtualizationContext(
    packageFamilyName : UInt16*,   # LPCWSTR
    count : UInt32*,   # DWORD* out
    processes : Void*   # HANDLE** 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 GetProcessesInVirtualizationContextNative = Int32 Function(Pointer<Utf16>, Pointer<Uint32>, Pointer<Void>);
typedef GetProcessesInVirtualizationContextDart = int Function(Pointer<Utf16>, Pointer<Uint32>, Pointer<Void>);
final GetProcessesInVirtualizationContext = DynamicLibrary.open('KERNEL32.dll')
    .lookupFunction<GetProcessesInVirtualizationContextNative, GetProcessesInVirtualizationContextDart>('GetProcessesInVirtualizationContext');
// packageFamilyName : LPCWSTR -> Pointer<Utf16>
// count : DWORD* out -> Pointer<Uint32>
// processes : HANDLE** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GetProcessesInVirtualizationContext(
  packageFamilyName: PWideChar;   // LPCWSTR
  count: Pointer;   // DWORD* out
  processes: Pointer   // HANDLE** out
): Integer; stdcall;
  external 'KERNEL32.dll' name 'GetProcessesInVirtualizationContext';

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

foreign import stdcall safe "GetProcessesInVirtualizationContext"
  c_GetProcessesInVirtualizationContext :: CWString -> Ptr Word32 -> Ptr () -> IO Int32
-- packageFamilyName : LPCWSTR -> CWString
-- count : DWORD* out -> Ptr Word32
-- processes : HANDLE** 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 getprocessesinvirtualizationcontext =
  foreign "GetProcessesInVirtualizationContext"
    ((ptr uint16_t) @-> (ptr uint32_t) @-> (ptr void) @-> returning int32_t)
(* packageFamilyName : LPCWSTR -> (ptr uint16_t) *)
(* count : DWORD* out -> (ptr uint32_t) *)
(* processes : HANDLE** 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 kernel32 (t "KERNEL32.dll"))
(cffi:use-foreign-library kernel32)

(cffi:defcfun ("GetProcessesInVirtualizationContext" get-processes-in-virtualization-context :convention :stdcall) :int32
  (package-family-name (:string :encoding :utf-16le))   ; LPCWSTR
  (count :pointer)   ; DWORD* out
  (processes :pointer))   ; HANDLE** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GetProcessesInVirtualizationContext = Win32::API::More->new('KERNEL32',
    'int GetProcessesInVirtualizationContext(LPCWSTR packageFamilyName, LPVOID count, HANDLE processes)');
# my $ret = $GetProcessesInVirtualizationContext->Call($packageFamilyName, $count, $processes);
# packageFamilyName : LPCWSTR -> LPCWSTR
# count : DWORD* out -> LPVOID
# processes : HANDLE** out -> HANDLE
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。