WscRegisterForChanges

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

HRESULT WscRegisterForChanges(
    void* Reserved,
    HANDLE* phCallbackRegistration,
    LPTHREAD_START_ROUTINE lpCallbackAddress,
    void* pContext
);

<DllImport("WSCAPI.dll", ExactSpelling:=True)>
Public Shared Function WscRegisterForChanges(
    Reserved As IntPtr,   ' void* in/out
    phCallbackRegistration As IntPtr,   ' HANDLE* in/out
    lpCallbackAddress As IntPtr,   ' LPTHREAD_START_ROUTINE
    pContext As IntPtr   ' void* in/out
) As Integer
End Function

' Reserved : void* in/out
' phCallbackRegistration : HANDLE* in/out
' lpCallbackAddress : LPTHREAD_START_ROUTINE
' pContext : void* in/out
Declare PtrSafe Function WscRegisterForChanges Lib "wscapi" ( _
    ByVal Reserved As LongPtr, _
    ByVal phCallbackRegistration As LongPtr, _
    ByVal lpCallbackAddress As LongPtr, _
    ByVal pContext 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

WscRegisterForChanges = ctypes.windll.wscapi.WscRegisterForChanges
WscRegisterForChanges.restype = ctypes.c_int
WscRegisterForChanges.argtypes = [
    ctypes.POINTER(None),  # Reserved : void* in/out
    ctypes.c_void_p,  # phCallbackRegistration : HANDLE* in/out
    ctypes.c_void_p,  # lpCallbackAddress : LPTHREAD_START_ROUTINE
    ctypes.POINTER(None),  # pContext : void* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WSCAPI.dll')
WscRegisterForChanges = Fiddle::Function.new(
  lib['WscRegisterForChanges'],
  [
    Fiddle::TYPE_VOIDP,  # Reserved : void* in/out
    Fiddle::TYPE_VOIDP,  # phCallbackRegistration : HANDLE* in/out
    Fiddle::TYPE_VOIDP,  # lpCallbackAddress : LPTHREAD_START_ROUTINE
    Fiddle::TYPE_VOIDP,  # pContext : void* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "wscapi")]
extern "system" {
    fn WscRegisterForChanges(
        Reserved: *mut (),  // void* in/out
        phCallbackRegistration: *mut *mut core::ffi::c_void,  // HANDLE* in/out
        lpCallbackAddress: *const core::ffi::c_void,  // LPTHREAD_START_ROUTINE
        pContext: *mut ()  // void* in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WSCAPI.dll")]
public static extern int WscRegisterForChanges(IntPtr Reserved, IntPtr phCallbackRegistration, IntPtr lpCallbackAddress, IntPtr pContext);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WSCAPI_WscRegisterForChanges' -Namespace Win32 -PassThru
# $api::WscRegisterForChanges(Reserved, phCallbackRegistration, lpCallbackAddress, pContext)

#uselib "WSCAPI.dll"
#func global WscRegisterForChanges "WscRegisterForChanges" sptr, sptr, sptr, sptr
; WscRegisterForChanges Reserved, phCallbackRegistration, lpCallbackAddress, pContext   ; 戻り値は stat
; Reserved : void* in/out -> "sptr"
; phCallbackRegistration : HANDLE* in/out -> "sptr"
; lpCallbackAddress : LPTHREAD_START_ROUTINE -> "sptr"
; pContext : void* in/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。

#uselib "WSCAPI.dll"
#cfunc global WscRegisterForChanges "WscRegisterForChanges" sptr, sptr, sptr, sptr
; res = WscRegisterForChanges(Reserved, phCallbackRegistration, lpCallbackAddress, pContext)
; Reserved : void* in/out -> "sptr"
; phCallbackRegistration : HANDLE* in/out -> "sptr"
; lpCallbackAddress : LPTHREAD_START_ROUTINE -> "sptr"
; pContext : void* in/out -> "sptr"

; HRESULT WscRegisterForChanges(void* Reserved, HANDLE* phCallbackRegistration, LPTHREAD_START_ROUTINE lpCallbackAddress, void* pContext)
#uselib "WSCAPI.dll"
#cfunc global WscRegisterForChanges "WscRegisterForChanges" intptr, intptr, intptr, intptr
; res = WscRegisterForChanges(Reserved, phCallbackRegistration, lpCallbackAddress, pContext)
; Reserved : void* in/out -> "intptr"
; phCallbackRegistration : HANDLE* in/out -> "intptr"
; lpCallbackAddress : LPTHREAD_START_ROUTINE -> "intptr"
; pContext : void* in/out -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	wscapi = windows.NewLazySystemDLL("WSCAPI.dll")
	procWscRegisterForChanges = wscapi.NewProc("WscRegisterForChanges")
)

// Reserved (void* in/out), phCallbackRegistration (HANDLE* in/out), lpCallbackAddress (LPTHREAD_START_ROUTINE), pContext (void* in/out)
r1, _, err := procWscRegisterForChanges.Call(
	uintptr(Reserved),
	uintptr(phCallbackRegistration),
	uintptr(lpCallbackAddress),
	uintptr(pContext),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function WscRegisterForChanges(
  Reserved: Pointer;   // void* in/out
  phCallbackRegistration: Pointer;   // HANDLE* in/out
  lpCallbackAddress: Pointer;   // LPTHREAD_START_ROUTINE
  pContext: Pointer   // void* in/out
): Integer; stdcall;
  external 'WSCAPI.dll' name 'WscRegisterForChanges';

result := DllCall("WSCAPI\WscRegisterForChanges"
    , "Ptr", Reserved   ; void* in/out
    , "Ptr", phCallbackRegistration   ; HANDLE* in/out
    , "Ptr", lpCallbackAddress   ; LPTHREAD_START_ROUTINE
    , "Ptr", pContext   ; void* in/out
    , "Int")   ; return: HRESULT

●WscRegisterForChanges(Reserved, phCallbackRegistration, lpCallbackAddress, pContext) = DLL("WSCAPI.dll", "int WscRegisterForChanges(void*, void*, void*, void*)")
# 呼び出し: WscRegisterForChanges(Reserved, phCallbackRegistration, lpCallbackAddress, pContext)
# Reserved : void* in/out -> "void*"
# phCallbackRegistration : HANDLE* in/out -> "void*"
# lpCallbackAddress : LPTHREAD_START_ROUTINE -> "void*"
# pContext : void* in/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)。