MFBeginRegisterWorkQueueWithMMCSS

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

HRESULT MFBeginRegisterWorkQueueWithMMCSS(
    DWORD dwWorkQueueId,
    LPCWSTR wszClass,
    DWORD dwTaskId,
    IMFAsyncCallback* pDoneCallback,
    IUnknown* pDoneState
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFBeginRegisterWorkQueueWithMMCSS(
    dwWorkQueueId As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> wszClass As String,   ' LPCWSTR
    dwTaskId As UInteger,   ' DWORD
    pDoneCallback As IntPtr,   ' IMFAsyncCallback*
    pDoneState As IntPtr   ' IUnknown*
) As Integer
End Function

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

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

require 'fiddle'
require 'fiddle/import'

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

#[link(name = "mfplat")]
extern "system" {
    fn MFBeginRegisterWorkQueueWithMMCSS(
        dwWorkQueueId: u32,  // DWORD
        wszClass: *const u16,  // LPCWSTR
        dwTaskId: 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 MFBeginRegisterWorkQueueWithMMCSS(uint dwWorkQueueId, [MarshalAs(UnmanagedType.LPWStr)] string wszClass, uint dwTaskId, IntPtr pDoneCallback, IntPtr pDoneState);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFBeginRegisterWorkQueueWithMMCSS' -Namespace Win32 -PassThru
# $api::MFBeginRegisterWorkQueueWithMMCSS(dwWorkQueueId, wszClass, dwTaskId, pDoneCallback, pDoneState)

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

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

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFBeginRegisterWorkQueueWithMMCSS = mfplat.NewProc("MFBeginRegisterWorkQueueWithMMCSS")
)

// dwWorkQueueId (DWORD), wszClass (LPCWSTR), dwTaskId (DWORD), pDoneCallback (IMFAsyncCallback*), pDoneState (IUnknown*)
r1, _, err := procMFBeginRegisterWorkQueueWithMMCSS.Call(
	uintptr(dwWorkQueueId),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(wszClass))),
	uintptr(dwTaskId),
	uintptr(pDoneCallback),
	uintptr(pDoneState),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFBeginRegisterWorkQueueWithMMCSS(
  dwWorkQueueId: DWORD;   // DWORD
  wszClass: PWideChar;   // LPCWSTR
  dwTaskId: DWORD;   // DWORD
  pDoneCallback: Pointer;   // IMFAsyncCallback*
  pDoneState: Pointer   // IUnknown*
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFBeginRegisterWorkQueueWithMMCSS';

result := DllCall("MFPlat\MFBeginRegisterWorkQueueWithMMCSS"
    , "UInt", dwWorkQueueId   ; DWORD
    , "WStr", wszClass   ; LPCWSTR
    , "UInt", dwTaskId   ; DWORD
    , "Ptr", pDoneCallback   ; IMFAsyncCallback*
    , "Ptr", pDoneState   ; IUnknown*
    , "Int")   ; return: HRESULT

●MFBeginRegisterWorkQueueWithMMCSS(dwWorkQueueId, wszClass, dwTaskId, pDoneCallback, pDoneState) = DLL("MFPlat.dll", "int MFBeginRegisterWorkQueueWithMMCSS(dword, char*, dword, void*, void*)")
# 呼び出し: MFBeginRegisterWorkQueueWithMMCSS(dwWorkQueueId, wszClass, dwTaskId, pDoneCallback, pDoneState)
# dwWorkQueueId : DWORD -> "dword"
# wszClass : LPCWSTR -> "char*"
# dwTaskId : 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)。