RtwqJoinWorkQueue

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

HRESULT RtwqJoinWorkQueue(
    DWORD workQueueId,
    HANDLE hFile,
    HANDLE* out
);

<DllImport("RTWorkQ.dll", ExactSpelling:=True)>
Public Shared Function RtwqJoinWorkQueue(
    workQueueId As UInteger,   ' DWORD
    hFile As IntPtr,   ' HANDLE
    [out] As IntPtr   ' HANDLE* out
) As Integer
End Function

' workQueueId : DWORD
' hFile : HANDLE
' out : HANDLE* out
Declare PtrSafe Function RtwqJoinWorkQueue Lib "rtworkq" ( _
    ByVal workQueueId As Long, _
    ByVal hFile As LongPtr, _
    ByVal out 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

RtwqJoinWorkQueue = ctypes.windll.rtworkq.RtwqJoinWorkQueue
RtwqJoinWorkQueue.restype = ctypes.c_int
RtwqJoinWorkQueue.argtypes = [
    wintypes.DWORD,  # workQueueId : DWORD
    wintypes.HANDLE,  # hFile : HANDLE
    ctypes.c_void_p,  # out : HANDLE* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('RTWorkQ.dll')
RtwqJoinWorkQueue = Fiddle::Function.new(
  lib['RtwqJoinWorkQueue'],
  [
    -Fiddle::TYPE_INT,  # workQueueId : DWORD
    Fiddle::TYPE_VOIDP,  # hFile : HANDLE
    Fiddle::TYPE_VOIDP,  # out : HANDLE* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "rtworkq")]
extern "system" {
    fn RtwqJoinWorkQueue(
        workQueueId: u32,  // DWORD
        hFile: *mut core::ffi::c_void,  // HANDLE
        out: *mut *mut core::ffi::c_void  // HANDLE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("RTWorkQ.dll")]
public static extern int RtwqJoinWorkQueue(uint workQueueId, IntPtr hFile, IntPtr out);
"@
$api = Add-Type -MemberDefinition $sig -Name 'RTWorkQ_RtwqJoinWorkQueue' -Namespace Win32 -PassThru
# $api::RtwqJoinWorkQueue(workQueueId, hFile, out)

#uselib "RTWorkQ.dll"
#func global RtwqJoinWorkQueue "RtwqJoinWorkQueue" sptr, sptr, sptr
; RtwqJoinWorkQueue workQueueId, hFile, out   ; 戻り値は stat
; workQueueId : DWORD -> "sptr"
; hFile : HANDLE -> "sptr"
; out : HANDLE* 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 RtwqJoinWorkQueue "RtwqJoinWorkQueue" int, sptr, sptr
; res = RtwqJoinWorkQueue(workQueueId, hFile, out)
; workQueueId : DWORD -> "int"
; hFile : HANDLE -> "sptr"
; out : HANDLE* out -> "sptr"

; HRESULT RtwqJoinWorkQueue(DWORD workQueueId, HANDLE hFile, HANDLE* out)
#uselib "RTWorkQ.dll"
#cfunc global RtwqJoinWorkQueue "RtwqJoinWorkQueue" int, intptr, intptr
; res = RtwqJoinWorkQueue(workQueueId, hFile, out)
; workQueueId : DWORD -> "int"
; hFile : HANDLE -> "intptr"
; out : HANDLE* out -> "intptr"

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

var (
	rtworkq = windows.NewLazySystemDLL("RTWorkQ.dll")
	procRtwqJoinWorkQueue = rtworkq.NewProc("RtwqJoinWorkQueue")
)

// workQueueId (DWORD), hFile (HANDLE), out (HANDLE* out)
r1, _, err := procRtwqJoinWorkQueue.Call(
	uintptr(workQueueId),
	uintptr(hFile),
	uintptr(out),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function RtwqJoinWorkQueue(
  workQueueId: DWORD;   // DWORD
  hFile: THandle;   // HANDLE
  out: Pointer   // HANDLE* out
): Integer; stdcall;
  external 'RTWorkQ.dll' name 'RtwqJoinWorkQueue';

result := DllCall("RTWorkQ\RtwqJoinWorkQueue"
    , "UInt", workQueueId   ; DWORD
    , "Ptr", hFile   ; HANDLE
    , "Ptr", out   ; HANDLE* out
    , "Int")   ; return: HRESULT

●RtwqJoinWorkQueue(workQueueId, hFile, out) = DLL("RTWorkQ.dll", "int RtwqJoinWorkQueue(dword, void*, void*)")
# 呼び出し: RtwqJoinWorkQueue(workQueueId, hFile, out)
# workQueueId : DWORD -> "dword"
# hFile : HANDLE -> "void*"
# out : HANDLE* 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)。