MFGetWorkQueueMMCSSTaskId

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

HRESULT MFGetWorkQueueMMCSSTaskId(
    DWORD dwWorkQueueId,
    DWORD* pdwTaskId
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFGetWorkQueueMMCSSTaskId(
    dwWorkQueueId As UInteger,   ' DWORD
    <Out> ByRef pdwTaskId As UInteger   ' DWORD* out
) As Integer
End Function

' dwWorkQueueId : DWORD
' pdwTaskId : DWORD* out
Declare PtrSafe Function MFGetWorkQueueMMCSSTaskId Lib "mfplat" ( _
    ByVal dwWorkQueueId As Long, _
    ByRef pdwTaskId As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

MFGetWorkQueueMMCSSTaskId = ctypes.windll.mfplat.MFGetWorkQueueMMCSSTaskId
MFGetWorkQueueMMCSSTaskId.restype = ctypes.c_int
MFGetWorkQueueMMCSSTaskId.argtypes = [
    wintypes.DWORD,  # dwWorkQueueId : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pdwTaskId : DWORD* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFGetWorkQueueMMCSSTaskId = Fiddle::Function.new(
  lib['MFGetWorkQueueMMCSSTaskId'],
  [
    -Fiddle::TYPE_INT,  # dwWorkQueueId : DWORD
    Fiddle::TYPE_VOIDP,  # pdwTaskId : DWORD* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFGetWorkQueueMMCSSTaskId(
        dwWorkQueueId: u32,  // DWORD
        pdwTaskId: *mut u32  // DWORD* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFGetWorkQueueMMCSSTaskId(uint dwWorkQueueId, out uint pdwTaskId);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFGetWorkQueueMMCSSTaskId' -Namespace Win32 -PassThru
# $api::MFGetWorkQueueMMCSSTaskId(dwWorkQueueId, pdwTaskId)

#uselib "MFPlat.dll"
#func global MFGetWorkQueueMMCSSTaskId "MFGetWorkQueueMMCSSTaskId" sptr, sptr
; MFGetWorkQueueMMCSSTaskId dwWorkQueueId, varptr(pdwTaskId)   ; 戻り値は stat
; dwWorkQueueId : DWORD -> "sptr"
; pdwTaskId : DWORD* 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 "MFPlat.dll"
#cfunc global MFGetWorkQueueMMCSSTaskId "MFGetWorkQueueMMCSSTaskId" int, var
; res = MFGetWorkQueueMMCSSTaskId(dwWorkQueueId, pdwTaskId)
; dwWorkQueueId : DWORD -> "int"
; pdwTaskId : DWORD* 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 MFGetWorkQueueMMCSSTaskId(DWORD dwWorkQueueId, DWORD* pdwTaskId)
#uselib "MFPlat.dll"
#cfunc global MFGetWorkQueueMMCSSTaskId "MFGetWorkQueueMMCSSTaskId" int, var
; res = MFGetWorkQueueMMCSSTaskId(dwWorkQueueId, pdwTaskId)
; dwWorkQueueId : DWORD -> "int"
; pdwTaskId : DWORD* 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 (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFGetWorkQueueMMCSSTaskId = mfplat.NewProc("MFGetWorkQueueMMCSSTaskId")
)

// dwWorkQueueId (DWORD), pdwTaskId (DWORD* out)
r1, _, err := procMFGetWorkQueueMMCSSTaskId.Call(
	uintptr(dwWorkQueueId),
	uintptr(pdwTaskId),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFGetWorkQueueMMCSSTaskId(
  dwWorkQueueId: DWORD;   // DWORD
  pdwTaskId: Pointer   // DWORD* out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFGetWorkQueueMMCSSTaskId';

result := DllCall("MFPlat\MFGetWorkQueueMMCSSTaskId"
    , "UInt", dwWorkQueueId   ; DWORD
    , "Ptr", pdwTaskId   ; DWORD* out
    , "Int")   ; return: HRESULT

●MFGetWorkQueueMMCSSTaskId(dwWorkQueueId, pdwTaskId) = DLL("MFPlat.dll", "int MFGetWorkQueueMMCSSTaskId(dword, void*)")
# 呼び出し: MFGetWorkQueueMMCSSTaskId(dwWorkQueueId, pdwTaskId)
# dwWorkQueueId : DWORD -> "dword"
# pdwTaskId : DWORD* 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)。