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UnknownObject.cs

//
// UnknownObject.cs: Provides a simple and generic representation of an object
// not identified by TagLib# so that its contents may be preserved.
//
// Author:
//   Brian Nickel (brian.nickel@gmail.com)
//
// Copyright (C) 2006-2007 Brian Nickel
// 
// This library is free software; you can redistribute it and/or modify
// it  under the terms of the GNU Lesser General Public License version
// 2.1 as published by the Free Software Foundation.
//
// 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.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
// USA
//

using System;

namespace TagLib.Asf
{
      /// <summary>
      ///    This class extends <see cref="Object" /> to provide a
      ///    representation of an unknown object which can be read from and
      ///    written to disk.
      /// </summary>
00034       public class UnknownObject : Object
      {
            #region Private Fields
            
            private ByteVector data;
            
            #endregion
            
            
            
            #region Constructors
            
            /// <summary>
            ///    Constructs and initializes a new instance of <see
            ///    cref="UnknownObject" /> by reading the contents from a
            ///    specified position in a specified file.
            /// </summary>
            /// <param name="file">
            ///    A <see cref="Asf.File" /> object containing the file from
            ///    which the contents of the new instance are to be read.
            /// </param>
            /// <param name="position">
            ///    A <see cref="long" /> value specify at what position to
            ///    read the object.
            /// </param>
            /// <exception cref="ArgumentNullException">
            ///    <paramref name="file" /> is <see langword="null" />.
            /// </exception>
            /// <exception cref="ArgumentOutOfRangeException">
            ///    <paramref name="position" /> is less than zero or greater
            ///    than the size of the file.
            /// </exception>
00066             public UnknownObject (Asf.File file, long position)
                  : base (file, position)
            {
                  data = file.ReadBlock ((int) (OriginalSize - 24));
            }
            
            #endregion
            
            
            
            #region Public Properties
            
            /// <summary>
            ///    Gets and sets the data contained in the current instance.
            /// </summary>
            /// <value>
            ///    A <see cref="ByteVector" /> object containing the data
            ///    contained in the current instance.
            /// </value>
00085             public ByteVector Data {
                  get {return data;}
                  set {data = value;}
            }
            
            #endregion
            
            
            
            #region Public Methods
            
            /// <summary>
            ///    Renders the current instance as a raw ASF object.
            /// </summary>
            /// <returns>
            ///    A <see cref="ByteVector" /> object containing the
            ///    rendered version of the current instance.
            /// </returns>
00103             public override ByteVector Render ()
            {
                  return Render (data);
            }
            
            #endregion
      }
}

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