BN089-BS开发框架MVC4版/source20131023/Zephyr.Net/Zephyr.Utils/Document/Excel/EPPlus/RangeCollection.cs

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/*******************************************************************************
 * You may amend and distribute as you like, but don't remove this header!
 *
 * EPPlus provides server-side generation of Excel 2007/2010 spreadsheets.
 * See http://www.codeplex.com/EPPlus for details.
 *
 * Copyright (C) 2011  Jan Källman
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.

 * 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.
 *
 * The GNU Lesser General Public License can be viewed at http://www.opensource.org/licenses/lgpl-license.php
 * If you unfamiliar with this license or have questions about it, here is an http://www.gnu.org/licenses/gpl-faq.html
 *
 * All code and executables are provided "as is" with no warranty either express or implied. 
 * The author accepts no liability for any damage or loss of business that this product may cause.
 *
 * Code change notes:
 * 
 * Author							Change						Date
 * ******************************************************************************
 * Jan Källman		    Added       		        2010-02-04
 * Jan Källman		    License changed GPL-->LGPL  2011-12-27
 *******************************************************************************/
using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;
using Zephyr.Utils.EPPlus.Drawing.Vml;
namespace Zephyr.Utils.EPPlus
{
    /// <summary>
    /// This is the store for all Rows, Columns and Cells.
    /// It is a Dictionary implementation that allows you to change the Key (the RowID, ColumnID or CellID )
    /// </summary>
    internal class RangeCollection : IEnumerator<IRangeID>, IEnumerable
    {
        private class IndexItem
        {
            internal IndexItem(ulong cellId)
            {
                RangeID = cellId;
            }
            internal IndexItem(ulong cellId, int listPointer)
	        {
                RangeID = cellId;
                ListPointer=listPointer;
	        }
            internal ulong RangeID;
            internal int ListPointer;
        }
        /// <summary>
        /// Compares an IndexItem