SetThreadpoolTimer

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

void SetThreadpoolTimer(
    PTP_TIMER pti,
    FILETIME* pftDueTime,   // optional
    DWORD msPeriod,
    DWORD msWindowLength   // optional
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Sub SetThreadpoolTimer(
    pti As IntPtr,   ' PTP_TIMER
    pftDueTime As IntPtr,   ' FILETIME* optional
    msPeriod As UInteger,   ' DWORD
    msWindowLength As UInteger   ' DWORD optional
)
End Sub

' pti : PTP_TIMER
' pftDueTime : FILETIME* optional
' msPeriod : DWORD
' msWindowLength : DWORD optional
Declare PtrSafe Sub SetThreadpoolTimer Lib "kernel32" ( _
    ByVal pti As LongPtr, _
    ByVal pftDueTime As LongPtr, _
    ByVal msPeriod As Long, _
    ByVal msWindowLength As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetThreadpoolTimer = ctypes.windll.kernel32.SetThreadpoolTimer
SetThreadpoolTimer.restype = None
SetThreadpoolTimer.argtypes = [
    ctypes.c_ssize_t,  # pti : PTP_TIMER
    ctypes.c_void_p,  # pftDueTime : FILETIME* optional
    wintypes.DWORD,  # msPeriod : DWORD
    wintypes.DWORD,  # msWindowLength : DWORD optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetThreadpoolTimer = Fiddle::Function.new(
  lib['SetThreadpoolTimer'],
  [
    Fiddle::TYPE_INTPTR_T,  # pti : PTP_TIMER
    Fiddle::TYPE_VOIDP,  # pftDueTime : FILETIME* optional
    -Fiddle::TYPE_INT,  # msPeriod : DWORD
    -Fiddle::TYPE_INT,  # msWindowLength : DWORD optional
  ],
  Fiddle::TYPE_VOID)

#[link(name = "kernel32")]
extern "system" {
    fn SetThreadpoolTimer(
        pti: isize,  // PTP_TIMER
        pftDueTime: *mut FILETIME,  // FILETIME* optional
        msPeriod: u32,  // DWORD
        msWindowLength: u32  // DWORD optional
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern void SetThreadpoolTimer(IntPtr pti, IntPtr pftDueTime, uint msPeriod, uint msWindowLength);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetThreadpoolTimer' -Namespace Win32 -PassThru
# $api::SetThreadpoolTimer(pti, pftDueTime, msPeriod, msWindowLength)

#uselib "KERNEL32.dll"
#func global SetThreadpoolTimer "SetThreadpoolTimer" sptr, sptr, sptr, sptr
; SetThreadpoolTimer pti, varptr(pftDueTime), msPeriod, msWindowLength
; pti : PTP_TIMER -> "sptr"
; pftDueTime : FILETIME* optional -> "sptr"
; msPeriod : DWORD -> "sptr"
; msWindowLength : DWORD optional -> "sptr"

#uselib "KERNEL32.dll"
#func global SetThreadpoolTimer "SetThreadpoolTimer" sptr, var, int, int
; SetThreadpoolTimer pti, pftDueTime, msPeriod, msWindowLength
; pti : PTP_TIMER -> "sptr"
; pftDueTime : FILETIME* optional -> "var"
; msPeriod : DWORD -> "int"
; msWindowLength : DWORD optional -> "int"
; ※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。

; void SetThreadpoolTimer(PTP_TIMER pti, FILETIME* pftDueTime, DWORD msPeriod, DWORD msWindowLength)
#uselib "KERNEL32.dll"
#func global SetThreadpoolTimer "SetThreadpoolTimer" intptr, var, int, int
; SetThreadpoolTimer pti, pftDueTime, msPeriod, msWindowLength
; pti : PTP_TIMER -> "intptr"
; pftDueTime : FILETIME* optional -> "var"
; msPeriod : DWORD -> "int"
; msWindowLength : DWORD optional -> "int"
; ※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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetThreadpoolTimer = kernel32.NewProc("SetThreadpoolTimer")
)

// pti (PTP_TIMER), pftDueTime (FILETIME* optional), msPeriod (DWORD), msWindowLength (DWORD optional)
r1, _, err := procSetThreadpoolTimer.Call(
	uintptr(pti),
	uintptr(pftDueTime),
	uintptr(msPeriod),
	uintptr(msWindowLength),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure SetThreadpoolTimer(
  pti: NativeInt;   // PTP_TIMER
  pftDueTime: Pointer;   // FILETIME* optional
  msPeriod: DWORD;   // DWORD
  msWindowLength: DWORD   // DWORD optional
); stdcall;
  external 'KERNEL32.dll' name 'SetThreadpoolTimer';

result := DllCall("KERNEL32\SetThreadpoolTimer"
    , "Ptr", pti   ; PTP_TIMER
    , "Ptr", pftDueTime   ; FILETIME* optional
    , "UInt", msPeriod   ; DWORD
    , "UInt", msWindowLength   ; DWORD optional
    , "Int")   ; return: void

●SetThreadpoolTimer(pti, pftDueTime, msPeriod, msWindowLength) = DLL("KERNEL32.dll", "int SetThreadpoolTimer(int, void*, dword, dword)")
# 呼び出し: SetThreadpoolTimer(pti, pftDueTime, msPeriod, msWindowLength)
# pti : PTP_TIMER -> "int"
# pftDueTime : FILETIME* optional -> "void*"
# msPeriod : DWORD -> "dword"
# msWindowLength : DWORD optional -> "dword"
# 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)。