rssroottag.cs

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/* 
 * RssTag.cs @Microsoft Visual Studio 2008 <.NET Framework 3.5>
 * AfritXia
 * 2008-02-03
 * 
 * Copyright(c) http://www.AfritXia.NET/
 * 
 */

using System;

namespace NET.AfritXia.RssFoundation
{
	/// <summary>
	/// rss 标记
	/// </summary>
	public class RssRootTag : RssTagBase
	{
		#region 类构造器
		/// <summary>
		/// 类默认构造器
		/// </summary>
		public RssRootTag()
			: base()
		{
			base.AddChildTag(new RssChannelTag());
		}
		#endregion

		/// <summary>
		/// 获取标记名称
		/// </summary>
		protected override string TagName
		{
			get
			{
				return "rss";
			}
		}

		/// <summary>
		/// 空标记值
		/// </summary>
		public override object Value
		{
			set
			{
				throw new NotSupportedException("不能为该标记赋值 ( Cannot put value for this Tag )");
			}

			get
			{
				return null;
			}
		}

		/// <summary>
		/// 设置或获取 version 属性
		/// </summary>
		public string Version
		{
			set
			{
				if (value == null)
				{
					base.RemoveAttribute("version");
					return;
				}

				base.AddAttribute("version", value);
			}

			get
			{
				return base.GetAttribute("version") as string;
			}
		}

		/// <summary>
		/// channel 标记
		/// </summary>
		public RssChannelTag Channel
		{
			get
			{
				return base.GetChildTag<RssChannelTag>();
			}
		}
	}
}