MFScheduleWorkItemEx

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

HRESULT MFScheduleWorkItemEx(
    IMFAsyncResult* pResult,
    LONGLONG Timeout,
    ULONGLONG* pKey   // optional
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFScheduleWorkItemEx(
    pResult As IntPtr,   ' IMFAsyncResult*
    Timeout As Long,   ' LONGLONG
    pKey As IntPtr   ' ULONGLONG* optional, out
) As Integer
End Function

' pResult : IMFAsyncResult*
' Timeout : LONGLONG
' pKey : ULONGLONG* optional, out
Declare PtrSafe Function MFScheduleWorkItemEx Lib "mfplat" ( _
    ByVal pResult As LongPtr, _
    ByVal Timeout As LongLong, _
    ByVal pKey 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

MFScheduleWorkItemEx = ctypes.windll.mfplat.MFScheduleWorkItemEx
MFScheduleWorkItemEx.restype = ctypes.c_int
MFScheduleWorkItemEx.argtypes = [
    ctypes.c_void_p,  # pResult : IMFAsyncResult*
    ctypes.c_longlong,  # Timeout : LONGLONG
    ctypes.POINTER(ctypes.c_ulonglong),  # pKey : ULONGLONG* optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFScheduleWorkItemEx = Fiddle::Function.new(
  lib['MFScheduleWorkItemEx'],
  [
    Fiddle::TYPE_VOIDP,  # pResult : IMFAsyncResult*
    Fiddle::TYPE_LONG_LONG,  # Timeout : LONGLONG
    Fiddle::TYPE_VOIDP,  # pKey : ULONGLONG* optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFScheduleWorkItemEx(
        pResult: *mut core::ffi::c_void,  // IMFAsyncResult*
        Timeout: i64,  // LONGLONG
        pKey: *mut u64  // ULONGLONG* optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFScheduleWorkItemEx(IntPtr pResult, long Timeout, IntPtr pKey);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFScheduleWorkItemEx' -Namespace Win32 -PassThru
# $api::MFScheduleWorkItemEx(pResult, Timeout, pKey)

#uselib "MFPlat.dll"
#func global MFScheduleWorkItemEx "MFScheduleWorkItemEx" sptr, sptr, sptr
; MFScheduleWorkItemEx pResult, Timeout, varptr(pKey)   ; 戻り値は stat
; pResult : IMFAsyncResult* -> "sptr"
; Timeout : LONGLONG -> "sptr"
; pKey : ULONGLONG* optional, out -> "sptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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 MFScheduleWorkItemEx "MFScheduleWorkItemEx" sptr, int64, var
; res = MFScheduleWorkItemEx(pResult, Timeout, pKey)
; pResult : IMFAsyncResult* -> "sptr"
; Timeout : LONGLONG -> "int64"
; pKey : ULONGLONG* optional, 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。
; ※int64 引数の DLL 値渡しは x64 ランタイム(hsp3_64)のみ対応(x86 は未対応)。

; HRESULT MFScheduleWorkItemEx(IMFAsyncResult* pResult, LONGLONG Timeout, ULONGLONG* pKey)
#uselib "MFPlat.dll"
#cfunc global MFScheduleWorkItemEx "MFScheduleWorkItemEx" intptr, int64, var
; res = MFScheduleWorkItemEx(pResult, Timeout, pKey)
; pResult : IMFAsyncResult* -> "intptr"
; Timeout : LONGLONG -> "int64"
; pKey : ULONGLONG* optional, 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")
	procMFScheduleWorkItemEx = mfplat.NewProc("MFScheduleWorkItemEx")
)

// pResult (IMFAsyncResult*), Timeout (LONGLONG), pKey (ULONGLONG* optional, out)
r1, _, err := procMFScheduleWorkItemEx.Call(
	uintptr(pResult),
	uintptr(Timeout),
	uintptr(pKey),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFScheduleWorkItemEx(
  pResult: Pointer;   // IMFAsyncResult*
  Timeout: Int64;   // LONGLONG
  pKey: Pointer   // ULONGLONG* optional, out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFScheduleWorkItemEx';

result := DllCall("MFPlat\MFScheduleWorkItemEx"
    , "Ptr", pResult   ; IMFAsyncResult*
    , "Int64", Timeout   ; LONGLONG
    , "Ptr", pKey   ; ULONGLONG* optional, out
    , "Int")   ; return: HRESULT

●MFScheduleWorkItemEx(pResult, Timeout, pKey) = DLL("MFPlat.dll", "int MFScheduleWorkItemEx(void*, int64, void*)")
# 呼び出し: MFScheduleWorkItemEx(pResult, Timeout, pKey)
# pResult : IMFAsyncResult* -> "void*"
# Timeout : LONGLONG -> "int64"
# pKey : ULONGLONG* optional, 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)。