RtwqPutWorkItem

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

HRESULT RtwqPutWorkItem(
    DWORD dwQueue,
    INT lPriority,
    IRtwqAsyncResult* result
);

<DllImport("RTWorkQ.dll", ExactSpelling:=True)>
Public Shared Function RtwqPutWorkItem(
    dwQueue As UInteger,   ' DWORD
    lPriority As Integer,   ' INT
    result As IntPtr   ' IRtwqAsyncResult*
) As Integer
End Function

' dwQueue : DWORD
' lPriority : INT
' result : IRtwqAsyncResult*
Declare PtrSafe Function RtwqPutWorkItem Lib "rtworkq" ( _
    ByVal dwQueue As Long, _
    ByVal lPriority As Long, _
    ByVal result 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

RtwqPutWorkItem = ctypes.windll.rtworkq.RtwqPutWorkItem
RtwqPutWorkItem.restype = ctypes.c_int
RtwqPutWorkItem.argtypes = [
    wintypes.DWORD,  # dwQueue : DWORD
    ctypes.c_int,  # lPriority : INT
    ctypes.c_void_p,  # result : IRtwqAsyncResult*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RTWorkQ.dll')
RtwqPutWorkItem = Fiddle::Function.new(
  lib['RtwqPutWorkItem'],
  [
    -Fiddle::TYPE_INT,  # dwQueue : DWORD
    Fiddle::TYPE_INT,  # lPriority : INT
    Fiddle::TYPE_VOIDP,  # result : IRtwqAsyncResult*
  ],
  Fiddle::TYPE_INT)

#[link(name = "rtworkq")]
extern "system" {
    fn RtwqPutWorkItem(
        dwQueue: u32,  // DWORD
        lPriority: i32,  // INT
        result: *mut core::ffi::c_void  // IRtwqAsyncResult*
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RTWorkQ.dll")]
public static extern int RtwqPutWorkItem(uint dwQueue, int lPriority, IntPtr result);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RTWorkQ_RtwqPutWorkItem' -Namespace Win32 -PassThru
# $api::RtwqPutWorkItem(dwQueue, lPriority, result)

#uselib "RTWorkQ.dll"
#func global RtwqPutWorkItem "RtwqPutWorkItem" sptr, sptr, sptr
; RtwqPutWorkItem dwQueue, lPriority, result   ; 戻り値は stat
; dwQueue : DWORD -> "sptr"
; lPriority : INT -> "sptr"
; result : IRtwqAsyncResult* -> "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 RtwqPutWorkItem "RtwqPutWorkItem" int, int, sptr
; res = RtwqPutWorkItem(dwQueue, lPriority, result)
; dwQueue : DWORD -> "int"
; lPriority : INT -> "int"
; result : IRtwqAsyncResult* -> "sptr"

; HRESULT RtwqPutWorkItem(DWORD dwQueue, INT lPriority, IRtwqAsyncResult* result)
#uselib "RTWorkQ.dll"
#cfunc global RtwqPutWorkItem "RtwqPutWorkItem" int, int, intptr
; res = RtwqPutWorkItem(dwQueue, lPriority, result)
; dwQueue : DWORD -> "int"
; lPriority : INT -> "int"
; result : IRtwqAsyncResult* -> "intptr"

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

var (
	rtworkq = windows.NewLazySystemDLL("RTWorkQ.dll")
	procRtwqPutWorkItem = rtworkq.NewProc("RtwqPutWorkItem")
)

// dwQueue (DWORD), lPriority (INT), result (IRtwqAsyncResult*)
r1, _, err := procRtwqPutWorkItem.Call(
	uintptr(dwQueue),
	uintptr(lPriority),
	uintptr(result),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function RtwqPutWorkItem(
  dwQueue: DWORD;   // DWORD
  lPriority: Integer;   // INT
  result: Pointer   // IRtwqAsyncResult*
): Integer; stdcall;
  external 'RTWorkQ.dll' name 'RtwqPutWorkItem';

result := DllCall("RTWorkQ\RtwqPutWorkItem"
    , "UInt", dwQueue   ; DWORD
    , "Int", lPriority   ; INT
    , "Ptr", result   ; IRtwqAsyncResult*
    , "Int")   ; return: HRESULT

●RtwqPutWorkItem(dwQueue, lPriority, result) = DLL("RTWorkQ.dll", "int RtwqPutWorkItem(dword, int, void*)")
# 呼び出し: RtwqPutWorkItem(dwQueue, lPriority, result)
# dwQueue : DWORD -> "dword"
# lPriority : INT -> "int"
# result : IRtwqAsyncResult* -> "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)。