MFTUnregisterLocal

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

HRESULT MFTUnregisterLocal(
    IClassFactory* pClassFactory   // optional
);

<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFTUnregisterLocal(
    pClassFactory As IntPtr   ' IClassFactory* optional
) As Integer
End Function

' pClassFactory : IClassFactory* optional
Declare PtrSafe Function MFTUnregisterLocal Lib "mfplat" ( _
    ByVal pClassFactory 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

MFTUnregisterLocal = ctypes.windll.mfplat.MFTUnregisterLocal
MFTUnregisterLocal.restype = ctypes.c_int
MFTUnregisterLocal.argtypes = [
    ctypes.c_void_p,  # pClassFactory : IClassFactory* optional
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFTUnregisterLocal = Fiddle::Function.new(
  lib['MFTUnregisterLocal'],
  [
    Fiddle::TYPE_VOIDP,  # pClassFactory : IClassFactory* optional
  ],
  Fiddle::TYPE_INT)

#[link(name = "mfplat")]
extern "system" {
    fn MFTUnregisterLocal(
        pClassFactory: *mut core::ffi::c_void  // IClassFactory* optional
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFTUnregisterLocal(IntPtr pClassFactory);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFTUnregisterLocal' -Namespace Win32 -PassThru
# $api::MFTUnregisterLocal(pClassFactory)

#uselib "MFPlat.dll"
#func global MFTUnregisterLocal "MFTUnregisterLocal" sptr
; MFTUnregisterLocal pClassFactory   ; 戻り値は stat
; pClassFactory : IClassFactory* optional -> "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 MFTUnregisterLocal "MFTUnregisterLocal" sptr
; res = MFTUnregisterLocal(pClassFactory)
; pClassFactory : IClassFactory* optional -> "sptr"

; HRESULT MFTUnregisterLocal(IClassFactory* pClassFactory)
#uselib "MFPlat.dll"
#cfunc global MFTUnregisterLocal "MFTUnregisterLocal" intptr
; res = MFTUnregisterLocal(pClassFactory)
; pClassFactory : IClassFactory* optional -> "intptr"

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

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFTUnregisterLocal = mfplat.NewProc("MFTUnregisterLocal")
)

// pClassFactory (IClassFactory* optional)
r1, _, err := procMFTUnregisterLocal.Call(
	uintptr(pClassFactory),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function MFTUnregisterLocal(
  pClassFactory: Pointer   // IClassFactory* optional
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFTUnregisterLocal';

result := DllCall("MFPlat\MFTUnregisterLocal"
    , "Ptr", pClassFactory   ; IClassFactory* optional
    , "Int")   ; return: HRESULT

●MFTUnregisterLocal(pClassFactory) = DLL("MFPlat.dll", "int MFTUnregisterLocal(void*)")
# 呼び出し: MFTUnregisterLocal(pClassFactory)
# pClassFactory : IClassFactory* optional -> "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)。