AvalonDock [2.0] Tutorial Part 1 - Adding a Tool Window

//Copyright (c) 2007-2012, Adolfo Marinucci
//All rights reserved.

//Redistribution and use in source and binary forms, with or without modification, are permitted provided that the 
//following conditions are met:

//* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

//* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following 
//disclaimer in the documentation and/or other materials provided with the distribution.

//* Neither the name of Adolfo Marinucci nor the names of its contributors may be used to endorse or promote products
//derived from this software without specific prior written permission.

//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
//INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
//IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
//EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 
//STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
//EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ComponentModel;

namespace AvalonDock.Layout
{
    public interface ILayoutElement : INotifyPropertyChanged, INotifyPropertyChanging
    {
        ILayoutContainer Parent { get; }
        ILayoutRoot Root { get; }
    }
}