SHChangeNotifyRegister

// SHELL32.dll
#include <windows.h>

DWORD SHChangeNotifyRegister(
    HWND hwnd,
    SHCNRF_SOURCE fSources,
    INT fEvents,
    DWORD wMsg,
    INT cEntries,
    const SHChangeNotifyEntry* pshcne
);

<DllImport("SHELL32.dll", ExactSpelling:=True)>
Public Shared Function SHChangeNotifyRegister(
    hwnd As IntPtr,   ' HWND
    fSources As Integer,   ' SHCNRF_SOURCE
    fEvents As Integer,   ' INT
    wMsg As UInteger,   ' DWORD
    cEntries As Integer,   ' INT
    pshcne As IntPtr   ' SHChangeNotifyEntry*
) As UInteger
End Function

' hwnd : HWND
' fSources : SHCNRF_SOURCE
' fEvents : INT
' wMsg : DWORD
' cEntries : INT
' pshcne : SHChangeNotifyEntry*
Declare PtrSafe Function SHChangeNotifyRegister Lib "shell32" ( _
    ByVal hwnd As LongPtr, _
    ByVal fSources As Long, _
    ByVal fEvents As Long, _
    ByVal wMsg As Long, _
    ByVal cEntries As Long, _
    ByVal pshcne 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

SHChangeNotifyRegister = ctypes.windll.shell32.SHChangeNotifyRegister
SHChangeNotifyRegister.restype = wintypes.DWORD
SHChangeNotifyRegister.argtypes = [
    wintypes.HANDLE,  # hwnd : HWND
    ctypes.c_int,  # fSources : SHCNRF_SOURCE
    ctypes.c_int,  # fEvents : INT
    wintypes.DWORD,  # wMsg : DWORD
    ctypes.c_int,  # cEntries : INT
    ctypes.c_void_p,  # pshcne : SHChangeNotifyEntry*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('SHELL32.dll')
SHChangeNotifyRegister = Fiddle::Function.new(
  lib['SHChangeNotifyRegister'],
  [
    Fiddle::TYPE_VOIDP,  # hwnd : HWND
    Fiddle::TYPE_INT,  # fSources : SHCNRF_SOURCE
    Fiddle::TYPE_INT,  # fEvents : INT
    -Fiddle::TYPE_INT,  # wMsg : DWORD
    Fiddle::TYPE_INT,  # cEntries : INT
    Fiddle::TYPE_VOIDP,  # pshcne : SHChangeNotifyEntry*
  ],
  -Fiddle::TYPE_INT)

#[link(name = "shell32")]
extern "system" {
    fn SHChangeNotifyRegister(
        hwnd: *mut core::ffi::c_void,  // HWND
        fSources: i32,  // SHCNRF_SOURCE
        fEvents: i32,  // INT
        wMsg: u32,  // DWORD
        cEntries: i32,  // INT
        pshcne: *const SHChangeNotifyEntry  // SHChangeNotifyEntry*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("SHELL32.dll")]
public static extern uint SHChangeNotifyRegister(IntPtr hwnd, int fSources, int fEvents, uint wMsg, int cEntries, IntPtr pshcne);
"@
$api = Add-Type -MemberDefinition $sig -Name 'SHELL32_SHChangeNotifyRegister' -Namespace Win32 -PassThru
# $api::SHChangeNotifyRegister(hwnd, fSources, fEvents, wMsg, cEntries, pshcne)

#uselib "SHELL32.dll"
#func global SHChangeNotifyRegister "SHChangeNotifyRegister" sptr, sptr, sptr, sptr, sptr, sptr
; SHChangeNotifyRegister hwnd, fSources, fEvents, wMsg, cEntries, varptr(pshcne)   ; 戻り値は stat
; hwnd : HWND -> "sptr"
; fSources : SHCNRF_SOURCE -> "sptr"
; fEvents : INT -> "sptr"
; wMsg : DWORD -> "sptr"
; cEntries : INT -> "sptr"
; pshcne : SHChangeNotifyEntry* -> "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 "SHELL32.dll"
#cfunc global SHChangeNotifyRegister "SHChangeNotifyRegister" sptr, int, int, int, int, var
; res = SHChangeNotifyRegister(hwnd, fSources, fEvents, wMsg, cEntries, pshcne)
; hwnd : HWND -> "sptr"
; fSources : SHCNRF_SOURCE -> "int"
; fEvents : INT -> "int"
; wMsg : DWORD -> "int"
; cEntries : INT -> "int"
; pshcne : SHChangeNotifyEntry* -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD SHChangeNotifyRegister(HWND hwnd, SHCNRF_SOURCE fSources, INT fEvents, DWORD wMsg, INT cEntries, SHChangeNotifyEntry* pshcne)
#uselib "SHELL32.dll"
#cfunc global SHChangeNotifyRegister "SHChangeNotifyRegister" intptr, int, int, int, int, var
; res = SHChangeNotifyRegister(hwnd, fSources, fEvents, wMsg, cEntries, pshcne)
; hwnd : HWND -> "intptr"
; fSources : SHCNRF_SOURCE -> "int"
; fEvents : INT -> "int"
; wMsg : DWORD -> "int"
; cEntries : INT -> "int"
; pshcne : SHChangeNotifyEntry* -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	shell32 = windows.NewLazySystemDLL("SHELL32.dll")
	procSHChangeNotifyRegister = shell32.NewProc("SHChangeNotifyRegister")
)

// hwnd (HWND), fSources (SHCNRF_SOURCE), fEvents (INT), wMsg (DWORD), cEntries (INT), pshcne (SHChangeNotifyEntry*)
r1, _, err := procSHChangeNotifyRegister.Call(
	uintptr(hwnd),
	uintptr(fSources),
	uintptr(fEvents),
	uintptr(wMsg),
	uintptr(cEntries),
	uintptr(pshcne),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function SHChangeNotifyRegister(
  hwnd: THandle;   // HWND
  fSources: Integer;   // SHCNRF_SOURCE
  fEvents: Integer;   // INT
  wMsg: DWORD;   // DWORD
  cEntries: Integer;   // INT
  pshcne: Pointer   // SHChangeNotifyEntry*
): DWORD; stdcall;
  external 'SHELL32.dll' name 'SHChangeNotifyRegister';

result := DllCall("SHELL32\SHChangeNotifyRegister"
    , "Ptr", hwnd   ; HWND
    , "Int", fSources   ; SHCNRF_SOURCE
    , "Int", fEvents   ; INT
    , "UInt", wMsg   ; DWORD
    , "Int", cEntries   ; INT
    , "Ptr", pshcne   ; SHChangeNotifyEntry*
    , "UInt")   ; return: DWORD

●SHChangeNotifyRegister(hwnd, fSources, fEvents, wMsg, cEntries, pshcne) = DLL("SHELL32.dll", "dword SHChangeNotifyRegister(void*, int, int, dword, int, void*)")
# 呼び出し: SHChangeNotifyRegister(hwnd, fSources, fEvents, wMsg, cEntries, pshcne)
# hwnd : HWND -> "void*"
# fSources : SHCNRF_SOURCE -> "int"
# fEvents : INT -> "int"
# wMsg : DWORD -> "dword"
# cEntries : INT -> "int"
# pshcne : SHChangeNotifyEntry* -> "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)。