MFLockWorkQueue

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

HRESULT MFLockWorkQueue(
    DWORD dwWorkQueue
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFLockWorkQueue(
    dwWorkQueue As UInteger   ' DWORD
) As Integer
End Function

' dwWorkQueue : DWORD
Declare PtrSafe Function MFLockWorkQueue Lib "mfplat" ( _
    ByVal dwWorkQueue 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

MFLockWorkQueue = ctypes.windll.mfplat.MFLockWorkQueue
MFLockWorkQueue.restype = ctypes.c_int
MFLockWorkQueue.argtypes = [
    wintypes.DWORD,  # dwWorkQueue : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFLockWorkQueue = Fiddle::Function.new(
  lib['MFLockWorkQueue'],
  [
    -Fiddle::TYPE_INT,  # dwWorkQueue : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFLockWorkQueue(
        dwWorkQueue: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFLockWorkQueue(uint dwWorkQueue);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFLockWorkQueue' -Namespace Win32 -PassThru
# $api::MFLockWorkQueue(dwWorkQueue)

#uselib "MFPlat.dll"
#func global MFLockWorkQueue "MFLockWorkQueue" sptr
; MFLockWorkQueue dwWorkQueue   ; 戻り値は stat
; dwWorkQueue : DWORD -> "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 MFLockWorkQueue "MFLockWorkQueue" int
; res = MFLockWorkQueue(dwWorkQueue)
; dwWorkQueue : DWORD -> "int"

; HRESULT MFLockWorkQueue(DWORD dwWorkQueue)
#uselib "MFPlat.dll"
#cfunc global MFLockWorkQueue "MFLockWorkQueue" int
; res = MFLockWorkQueue(dwWorkQueue)
; dwWorkQueue : DWORD -> "int"

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFLockWorkQueue = mfplat.NewProc("MFLockWorkQueue")
)

// dwWorkQueue (DWORD)
r1, _, err := procMFLockWorkQueue.Call(
	uintptr(dwWorkQueue),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFLockWorkQueue(
  dwWorkQueue: DWORD   // DWORD
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFLockWorkQueue';

result := DllCall("MFPlat\MFLockWorkQueue"
    , "UInt", dwWorkQueue   ; DWORD
    , "Int")   ; return: HRESULT

●MFLockWorkQueue(dwWorkQueue) = DLL("MFPlat.dll", "int MFLockWorkQueue(dword)")
# 呼び出し: MFLockWorkQueue(dwWorkQueue)
# dwWorkQueue : DWORD -> "dword"
# 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)。