MFPutWorkItemEx

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

HRESULT MFPutWorkItemEx(
    DWORD dwQueue,
    IMFAsyncResult* pResult
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFPutWorkItemEx(
    dwQueue As UInteger,   ' DWORD
    pResult As IntPtr   ' IMFAsyncResult*
) As Integer
End Function

' dwQueue : DWORD
' pResult : IMFAsyncResult*
Declare PtrSafe Function MFPutWorkItemEx Lib "mfplat" ( _
    ByVal dwQueue As Long, _
    ByVal pResult 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

MFPutWorkItemEx = ctypes.windll.mfplat.MFPutWorkItemEx
MFPutWorkItemEx.restype = ctypes.c_int
MFPutWorkItemEx.argtypes = [
    wintypes.DWORD,  # dwQueue : DWORD
    ctypes.c_void_p,  # pResult : IMFAsyncResult*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFPutWorkItemEx = Fiddle::Function.new(
  lib['MFPutWorkItemEx'],
  [
    -Fiddle::TYPE_INT,  # dwQueue : DWORD
    Fiddle::TYPE_VOIDP,  # pResult : IMFAsyncResult*
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFPutWorkItemEx(uint dwQueue, IntPtr pResult);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFPutWorkItemEx' -Namespace Win32 -PassThru
# $api::MFPutWorkItemEx(dwQueue, pResult)

#uselib "MFPlat.dll"
#func global MFPutWorkItemEx "MFPutWorkItemEx" sptr, sptr
; MFPutWorkItemEx dwQueue, pResult   ; 戻り値は stat
; dwQueue : DWORD -> "sptr"
; pResult : IMFAsyncResult* -> "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 MFPutWorkItemEx "MFPutWorkItemEx" int, sptr
; res = MFPutWorkItemEx(dwQueue, pResult)
; dwQueue : DWORD -> "int"
; pResult : IMFAsyncResult* -> "sptr"

; HRESULT MFPutWorkItemEx(DWORD dwQueue, IMFAsyncResult* pResult)
#uselib "MFPlat.dll"
#cfunc global MFPutWorkItemEx "MFPutWorkItemEx" int, intptr
; res = MFPutWorkItemEx(dwQueue, pResult)
; dwQueue : DWORD -> "int"
; pResult : IMFAsyncResult* -> "intptr"

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFPutWorkItemEx = mfplat.NewProc("MFPutWorkItemEx")
)

// dwQueue (DWORD), pResult (IMFAsyncResult*)
r1, _, err := procMFPutWorkItemEx.Call(
	uintptr(dwQueue),
	uintptr(pResult),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFPutWorkItemEx(
  dwQueue: DWORD;   // DWORD
  pResult: Pointer   // IMFAsyncResult*
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFPutWorkItemEx';

result := DllCall("MFPlat\MFPutWorkItemEx"
    , "UInt", dwQueue   ; DWORD
    , "Ptr", pResult   ; IMFAsyncResult*
    , "Int")   ; return: HRESULT

●MFPutWorkItemEx(dwQueue, pResult) = DLL("MFPlat.dll", "int MFPutWorkItemEx(dword, void*)")
# 呼び出し: MFPutWorkItemEx(dwQueue, pResult)
# dwQueue : DWORD -> "dword"
# pResult : IMFAsyncResult* -> "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)。