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/** @file
 * MS COM / XPCOM Abstraction Layer:
 * VirtualBox COM Library definitions.
 * Note: This is the main header file that COM/XPCOM clients
 * include; however, it is only a wrapper around another
 * platform-dependent include file that contains the real
 * COM/XPCOM interface declarations. That other include file
 * is generated automatically at build time from
 * /src/VBox/Main/idl/VirtualBox.xidl, which contains all
 * the VirtualBox interfaces; the include file is called
 * VirtualBox.h on Windows hosts and VirtualBox_XPCOM.h
 * on Linux hosts. The build process places it in
 * out/<platform>/bin/sdk/include, from where it gets
 * included by the rest of the VirtualBox code.

 * Copyright (C) 2006-2007 Oracle Corporation
 * This file is part of VirtualBox Open Source Edition (OSE), as
 * available from http://www.virtualbox.org. This file is free software;
 * you can redistribute it and/or modify it under the terms of the GNU
 * General Public License (GPL) as published by the Free Software
 * Foundation, in version 2 as it comes in the "COPYING" file of the
 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
 * The contents of this file may alternatively be used under the terms
 * of the Common Development and Distribution License Version 1.0
 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
 * VirtualBox OSE distribution, in which case the provisions of the
 * CDDL are applicable instead of those of the GPL.
 * You may elect to license modified versions of this file under the
 * terms and conditions of either the GPL or the CDDL or both.

#ifndef ___VBox_com_VirtualBox_h
#define ___VBox_com_VirtualBox_h

// generated VirtualBox COM library definition file
#if !defined (VBOXCOM_NOINCLUDE)
# if !defined (VBOX_WITH_XPCOM)
#  include <VirtualBox.h>
# else
#  include <VirtualBox_XPCOM.h>
# endif
#endif // !defined (VBOXCOM_NOINCLUDE)

// for convenience
#include "VBox/com/defs.h"
#include "VBox/com/ptr.h"

template <class I>
inline HRESULT createCallbackWrapper(I* aInstance,
                                     I** paWrapper)
    ComPtr<ILocalOwner> ptr;

#ifdef VBOX_WITH_XPCOM /* very noisy in pedantic mode */
    static const CLSID clsid = NS_CALLBACKWRAPPER_CID;
    HRESULT rc = ptr.createInprocObject(clsid);
    HRESULT rc = ptr.createInprocObject(CLSID_CallbackWrapper);
    if (FAILED(rc))
        return rc;

    rc = ptr->SetLocalObject(aInstance);
    if (FAILED(rc))
        return rc;

    ComPtr<I> ptr2 = ptr;
    if (ptr2.isNull())
        return E_FAIL;

    rc = ptr2.queryInterfaceTo(paWrapper);
    return rc;

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