RtwqAddPeriodicCallback

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

HRESULT RtwqAddPeriodicCallback(
    RTWQPERIODICCALLBACK Callback,
    IUnknown* context,
    DWORD* key   // optional
);

<DllImport("RTWorkQ.dll", ExactSpelling:=True)>
Public Shared Function RtwqAddPeriodicCallback(
    Callback As IntPtr,   ' RTWQPERIODICCALLBACK
    context As IntPtr,   ' IUnknown*
    key As IntPtr   ' DWORD* optional, out
) As Integer
End Function

' Callback : RTWQPERIODICCALLBACK
' context : IUnknown*
' key : DWORD* optional, out
Declare PtrSafe Function RtwqAddPeriodicCallback Lib "rtworkq" ( _
    ByVal Callback As LongPtr, _
    ByVal context As LongPtr, _
    ByVal key 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

RtwqAddPeriodicCallback = ctypes.windll.rtworkq.RtwqAddPeriodicCallback
RtwqAddPeriodicCallback.restype = ctypes.c_int
RtwqAddPeriodicCallback.argtypes = [
    ctypes.c_void_p,  # Callback : RTWQPERIODICCALLBACK
    ctypes.c_void_p,  # context : IUnknown*
    ctypes.POINTER(wintypes.DWORD),  # key : DWORD* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RTWorkQ.dll')
RtwqAddPeriodicCallback = Fiddle::Function.new(
  lib['RtwqAddPeriodicCallback'],
  [
    Fiddle::TYPE_VOIDP,  # Callback : RTWQPERIODICCALLBACK
    Fiddle::TYPE_VOIDP,  # context : IUnknown*
    Fiddle::TYPE_VOIDP,  # key : DWORD* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "rtworkq")]
extern "system" {
    fn RtwqAddPeriodicCallback(
        Callback: *const core::ffi::c_void,  // RTWQPERIODICCALLBACK
        context: *mut core::ffi::c_void,  // IUnknown*
        key: *mut u32  // DWORD* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RTWorkQ.dll")]
public static extern int RtwqAddPeriodicCallback(IntPtr Callback, IntPtr context, IntPtr key);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RTWorkQ_RtwqAddPeriodicCallback' -Namespace Win32 -PassThru
# $api::RtwqAddPeriodicCallback(Callback, context, key)

#uselib "RTWorkQ.dll"
#func global RtwqAddPeriodicCallback "RtwqAddPeriodicCallback" sptr, sptr, sptr
; RtwqAddPeriodicCallback Callback, context, varptr(key)   ; 戻り値は stat
; Callback : RTWQPERIODICCALLBACK -> "sptr"
; context : IUnknown* -> "sptr"
; key : DWORD* 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。

#uselib "RTWorkQ.dll"
#cfunc global RtwqAddPeriodicCallback "RtwqAddPeriodicCallback" sptr, sptr, var
; res = RtwqAddPeriodicCallback(Callback, context, key)
; Callback : RTWQPERIODICCALLBACK -> "sptr"
; context : IUnknown* -> "sptr"
; key : DWORD* optional, out -> "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。

; HRESULT RtwqAddPeriodicCallback(RTWQPERIODICCALLBACK Callback, IUnknown* context, DWORD* key)
#uselib "RTWorkQ.dll"
#cfunc global RtwqAddPeriodicCallback "RtwqAddPeriodicCallback" intptr, intptr, var
; res = RtwqAddPeriodicCallback(Callback, context, key)
; Callback : RTWQPERIODICCALLBACK -> "intptr"
; context : IUnknown* -> "intptr"
; key : DWORD* optional, out -> "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 (
	rtworkq = windows.NewLazySystemDLL("RTWorkQ.dll")
	procRtwqAddPeriodicCallback = rtworkq.NewProc("RtwqAddPeriodicCallback")
)

// Callback (RTWQPERIODICCALLBACK), context (IUnknown*), key (DWORD* optional, out)
r1, _, err := procRtwqAddPeriodicCallback.Call(
	uintptr(Callback),
	uintptr(context),
	uintptr(key),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function RtwqAddPeriodicCallback(
  Callback: Pointer;   // RTWQPERIODICCALLBACK
  context: Pointer;   // IUnknown*
  key: Pointer   // DWORD* optional, out
): Integer; stdcall;
  external 'RTWorkQ.dll' name 'RtwqAddPeriodicCallback';

result := DllCall("RTWorkQ\RtwqAddPeriodicCallback"
    , "Ptr", Callback   ; RTWQPERIODICCALLBACK
    , "Ptr", context   ; IUnknown*
    , "Ptr", key   ; DWORD* optional, out
    , "Int")   ; return: HRESULT

●RtwqAddPeriodicCallback(Callback, context, key) = DLL("RTWorkQ.dll", "int RtwqAddPeriodicCallback(void*, void*, void*)")
# 呼び出し: RtwqAddPeriodicCallback(Callback, context, key)
# Callback : RTWQPERIODICCALLBACK -> "void*"
# context : IUnknown* -> "void*"
# key : DWORD* 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)。