SetThreadpoolWait

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

void SetThreadpoolWait(
    PTP_WAIT pwa,
    HANDLE h,   // optional
    FILETIME* pftTimeout   // optional
);

<DllImport("KERNEL32.dll", ExactSpelling:=True)>
Public Shared Sub SetThreadpoolWait(
    pwa As IntPtr,   ' PTP_WAIT
    h As IntPtr,   ' HANDLE optional
    pftTimeout As IntPtr   ' FILETIME* optional
)
End Sub

' pwa : PTP_WAIT
' h : HANDLE optional
' pftTimeout : FILETIME* optional
Declare PtrSafe Sub SetThreadpoolWait Lib "kernel32" ( _
    ByVal pwa As LongPtr, _
    ByVal h As LongPtr, _
    ByVal pftTimeout As LongPtr)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SetThreadpoolWait = ctypes.windll.kernel32.SetThreadpoolWait
SetThreadpoolWait.restype = None
SetThreadpoolWait.argtypes = [
    ctypes.c_ssize_t,  # pwa : PTP_WAIT
    wintypes.HANDLE,  # h : HANDLE optional
    ctypes.c_void_p,  # pftTimeout : FILETIME* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('KERNEL32.dll')
SetThreadpoolWait = Fiddle::Function.new(
  lib['SetThreadpoolWait'],
  [
    Fiddle::TYPE_INTPTR_T,  # pwa : PTP_WAIT
    Fiddle::TYPE_VOIDP,  # h : HANDLE optional
    Fiddle::TYPE_VOIDP,  # pftTimeout : FILETIME* optional
  ],
  Fiddle::TYPE_VOID)

#[link(name = "kernel32")]
extern "system" {
    fn SetThreadpoolWait(
        pwa: isize,  // PTP_WAIT
        h: *mut core::ffi::c_void,  // HANDLE optional
        pftTimeout: *mut FILETIME  // FILETIME* optional
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("KERNEL32.dll")]
public static extern void SetThreadpoolWait(IntPtr pwa, IntPtr h, IntPtr pftTimeout);
"@
$api = Add-Type -MemberDefinition $sig -Name 'KERNEL32_SetThreadpoolWait' -Namespace Win32 -PassThru
# $api::SetThreadpoolWait(pwa, h, pftTimeout)

#uselib "KERNEL32.dll"
#func global SetThreadpoolWait "SetThreadpoolWait" sptr, sptr, sptr
; SetThreadpoolWait pwa, h, varptr(pftTimeout)
; pwa : PTP_WAIT -> "sptr"
; h : HANDLE optional -> "sptr"
; pftTimeout : FILETIME* optional -> "sptr"

#uselib "KERNEL32.dll"
#func global SetThreadpoolWait "SetThreadpoolWait" sptr, sptr, var
; SetThreadpoolWait pwa, h, pftTimeout
; pwa : PTP_WAIT -> "sptr"
; h : HANDLE optional -> "sptr"
; pftTimeout : FILETIME* optional -> "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。

; void SetThreadpoolWait(PTP_WAIT pwa, HANDLE h, FILETIME* pftTimeout)
#uselib "KERNEL32.dll"
#func global SetThreadpoolWait "SetThreadpoolWait" intptr, intptr, var
; SetThreadpoolWait pwa, h, pftTimeout
; pwa : PTP_WAIT -> "intptr"
; h : HANDLE optional -> "intptr"
; pftTimeout : FILETIME* optional -> "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 (
	kernel32 = windows.NewLazySystemDLL("KERNEL32.dll")
	procSetThreadpoolWait = kernel32.NewProc("SetThreadpoolWait")
)

// pwa (PTP_WAIT), h (HANDLE optional), pftTimeout (FILETIME* optional)
r1, _, err := procSetThreadpoolWait.Call(
	uintptr(pwa),
	uintptr(h),
	uintptr(pftTimeout),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure SetThreadpoolWait(
  pwa: NativeInt;   // PTP_WAIT
  h: THandle;   // HANDLE optional
  pftTimeout: Pointer   // FILETIME* optional
); stdcall;
  external 'KERNEL32.dll' name 'SetThreadpoolWait';

result := DllCall("KERNEL32\SetThreadpoolWait"
    , "Ptr", pwa   ; PTP_WAIT
    , "Ptr", h   ; HANDLE optional
    , "Ptr", pftTimeout   ; FILETIME* optional
    , "Int")   ; return: void

●SetThreadpoolWait(pwa, h, pftTimeout) = DLL("KERNEL32.dll", "int SetThreadpoolWait(int, void*, void*)")
# 呼び出し: SetThreadpoolWait(pwa, h, pftTimeout)
# pwa : PTP_WAIT -> "int"
# h : HANDLE optional -> "void*"
# pftTimeout : FILETIME* optional -> "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)。