libreoffice/cli_ure/source/ure/uno/util/DisposeGuard.cs

/*************************************************************************
 *
 *  $RCSfile: DisposeGuard.cs,v $
 *
 *  $Revision: 1.3 $
 *
 *  last change: $Author: dbo $ $Date: 2003-04-25 14:04:56 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (the "License"); You may not use this file
 *  except in compliance with the License. You may obtain a copy of the
 *  License at http://www.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
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 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
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 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
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 *  All Rights Reserved.
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 *  Contributor(s): _______________________________________
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 ************************************************************************/

using System;
using unoidl.com.sun.star.lang;

namespace uno.util
{

/** Helper class to conveniently auto dispose UNO objects from within
    managed code.
*/
public struct DisposeGuard : IDisposable
{
    private XComponent m_xComponent;

    /** ctor.

        @param obj target object
    */
    public DisposeGuard( Object obj )
    {
        m_xComponent = (XComponent) uno.Runtime.queryInterface(
            typeof (XComponent), obj, uno.Runtime.QueryOption.Throw );
    }
    /** ctor.

        @param obj target object
    */
    public DisposeGuard( XComponent obj )
    {
        m_xComponent = obj;
    }
    
    /** System.IDisposable impl
    */
    public void Dispose()
    {
        if (null != m_xComponent)
            m_xComponent.dispose();
    }
}

}