MFBeginUnregisterWorkQueueWithMMCSS

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

HRESULT MFBeginUnregisterWorkQueueWithMMCSS(
    DWORD dwWorkQueueId,
    IMFAsyncCallback* pDoneCallback,
    IUnknown* pDoneState
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFBeginUnregisterWorkQueueWithMMCSS(
    dwWorkQueueId As UInteger,   ' DWORD
    pDoneCallback As IntPtr,   ' IMFAsyncCallback*
    pDoneState As IntPtr   ' IUnknown*
) As Integer
End Function

' dwWorkQueueId : DWORD
' pDoneCallback : IMFAsyncCallback*
' pDoneState : IUnknown*
Declare PtrSafe Function MFBeginUnregisterWorkQueueWithMMCSS Lib "mfplat" ( _
    ByVal dwWorkQueueId As Long, _
    ByVal pDoneCallback As LongPtr, _
    ByVal pDoneState 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

MFBeginUnregisterWorkQueueWithMMCSS = ctypes.windll.mfplat.MFBeginUnregisterWorkQueueWithMMCSS
MFBeginUnregisterWorkQueueWithMMCSS.restype = ctypes.c_int
MFBeginUnregisterWorkQueueWithMMCSS.argtypes = [
    wintypes.DWORD,  # dwWorkQueueId : DWORD
    ctypes.c_void_p,  # pDoneCallback : IMFAsyncCallback*
    ctypes.c_void_p,  # pDoneState : IUnknown*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFBeginUnregisterWorkQueueWithMMCSS = Fiddle::Function.new(
  lib['MFBeginUnregisterWorkQueueWithMMCSS'],
  [
    -Fiddle::TYPE_INT,  # dwWorkQueueId : DWORD
    Fiddle::TYPE_VOIDP,  # pDoneCallback : IMFAsyncCallback*
    Fiddle::TYPE_VOIDP,  # pDoneState : IUnknown*
  ],
  Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFBeginUnregisterWorkQueueWithMMCSS(uint dwWorkQueueId, IntPtr pDoneCallback, IntPtr pDoneState);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFBeginUnregisterWorkQueueWithMMCSS' -Namespace Win32 -PassThru
# $api::MFBeginUnregisterWorkQueueWithMMCSS(dwWorkQueueId, pDoneCallback, pDoneState)

#uselib "MFPlat.dll"
#func global MFBeginUnregisterWorkQueueWithMMCSS "MFBeginUnregisterWorkQueueWithMMCSS" sptr, sptr, sptr
; MFBeginUnregisterWorkQueueWithMMCSS dwWorkQueueId, pDoneCallback, pDoneState   ; 戻り値は stat
; dwWorkQueueId : DWORD -> "sptr"
; pDoneCallback : IMFAsyncCallback* -> "sptr"
; pDoneState : IUnknown* -> "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 MFBeginUnregisterWorkQueueWithMMCSS "MFBeginUnregisterWorkQueueWithMMCSS" int, sptr, sptr
; res = MFBeginUnregisterWorkQueueWithMMCSS(dwWorkQueueId, pDoneCallback, pDoneState)
; dwWorkQueueId : DWORD -> "int"
; pDoneCallback : IMFAsyncCallback* -> "sptr"
; pDoneState : IUnknown* -> "sptr"

; HRESULT MFBeginUnregisterWorkQueueWithMMCSS(DWORD dwWorkQueueId, IMFAsyncCallback* pDoneCallback, IUnknown* pDoneState)
#uselib "MFPlat.dll"
#cfunc global MFBeginUnregisterWorkQueueWithMMCSS "MFBeginUnregisterWorkQueueWithMMCSS" int, intptr, intptr
; res = MFBeginUnregisterWorkQueueWithMMCSS(dwWorkQueueId, pDoneCallback, pDoneState)
; dwWorkQueueId : DWORD -> "int"
; pDoneCallback : IMFAsyncCallback* -> "intptr"
; pDoneState : IUnknown* -> "intptr"

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFBeginUnregisterWorkQueueWithMMCSS = mfplat.NewProc("MFBeginUnregisterWorkQueueWithMMCSS")
)

// dwWorkQueueId (DWORD), pDoneCallback (IMFAsyncCallback*), pDoneState (IUnknown*)
r1, _, err := procMFBeginUnregisterWorkQueueWithMMCSS.Call(
	uintptr(dwWorkQueueId),
	uintptr(pDoneCallback),
	uintptr(pDoneState),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFBeginUnregisterWorkQueueWithMMCSS(
  dwWorkQueueId: DWORD;   // DWORD
  pDoneCallback: Pointer;   // IMFAsyncCallback*
  pDoneState: Pointer   // IUnknown*
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFBeginUnregisterWorkQueueWithMMCSS';

result := DllCall("MFPlat\MFBeginUnregisterWorkQueueWithMMCSS"
    , "UInt", dwWorkQueueId   ; DWORD
    , "Ptr", pDoneCallback   ; IMFAsyncCallback*
    , "Ptr", pDoneState   ; IUnknown*
    , "Int")   ; return: HRESULT

●MFBeginUnregisterWorkQueueWithMMCSS(dwWorkQueueId, pDoneCallback, pDoneState) = DLL("MFPlat.dll", "int MFBeginUnregisterWorkQueueWithMMCSS(dword, void*, void*)")
# 呼び出し: MFBeginUnregisterWorkQueueWithMMCSS(dwWorkQueueId, pDoneCallback, pDoneState)
# dwWorkQueueId : DWORD -> "dword"
# pDoneCallback : IMFAsyncCallback* -> "void*"
# pDoneState : IUnknown* -> "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)。