/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /************************************************************************* * * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * Copyright 2000, 2010 Oracle and/or its affiliates. * * OpenOffice.org - a multi-platform office productivity suite * * This file is part of OpenOffice.org. * * OpenOffice.org is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License version 3 * only, as published by the Free Software Foundation. * * OpenOffice.org 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 version 3 for more details * (a copy is included in the LICENSE file that accompanied this code). * * You should have received a copy of the GNU Lesser General Public License * version 3 along with OpenOffice.org. If not, see * * for a copy of the LGPLv3 License. * ************************************************************************/ #ifndef __com_sun_star_beans_Optional_idl__ #define __com_sun_star_beans_Optional_idl__ module com { module sun { module star { module beans { /** An optional value of a given type.

This structure is used as the type of interface attributes corresponding to instances of Property that have the PropertyAttribute::MAYBEVOID. It might also be useful in other situations, for example as the return type of an interface method.

*/ struct Optional { /** Marks this structure instance as having an actual value. */ boolean IsPresent; /** The actual value of this structure instance.

If no actual value is present, a producer of such a structure instance should leave this member defaulted, and a consumer of such a structure instance should ignore the specific value stored in this member.

*/ T Value; }; }; }; }; }; #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */