Util/Mail/MIMEParser/TNEFParser.cs

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/******************************************************************************
	Copyright 2003-2004 Hamid Qureshi and Unruled Boy 
	OpenPOP.Net is free software; you can redistribute it and/or modify
	it under the terms of the Lesser GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	OpenPOP.Net 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
	Lesser GNU General Public License for more details.

	You should have received a copy of the Lesser GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
/*******************************************************************************/

/*********************************************************************
* Based on tnef.c from Thomas Boll 
**********************************************************************/

/*
*Name:			Util.Mail.MIMEParser.TNEFParser
*Function:		MS TNEF Parser
*Author:		Thomas Boll(c version), Unruled Boy(c# version)
*Created:		2004/3
*Modified:		2004/5/1 14:13 GMT+8 by Unruled Boy
*Description:
*Changes:		
*				2004/5/1 14:13 GMT+8 by Unruled Boy
*					1.Adding descriptions to every public functions/property/void
*/
using System;
using System.IO;
using System.Text;
using System.Collections;

namespace Util.Mail.MIMEParser
{
	/// <summary>
	/// Util.Mail.MIMEParser.TNEFParser
	/// </summary>
	public class TNEFParser
	{
		#region Member Variables
		private const int TNEF_SIGNATURE  =0x223e9f78;
		private const int LVL_MESSAGE     =0x01;
		private const int LVL_ATTACHMENT  =0x02;
		private const int _string			=0x00010000;
		private const int _BYTE			=0x00060000;
		private const int _WORD			=0x00070000;
		private const int _DWORD			=0x00080000;

		private const int AVERSION      =(_DWORD|0x9006);
		private const int AMCLASS       =(_WORD|0x8008);
		private const int ASUBJECT      =(_DWORD|0x8004);
		private const int AFILENAME     =(_string|0x8010);
		private const int ATTACHDATA    =(_BYTE|0x800f);

		private Stream fsTNEF;