/// <summary>
/// запись
/// </summary>
/// <param name="position"></param>
/// <param name="ob"></param>
/// <returns></returns>
public long Write(long position, object ob)
{
if (!isOpen)
{
return(0);
}
byte[] buffer = DataCoversion.ObjectToByte(ob);
long lg = buffer.Length;
//long Filesize = m_streamFile.Length;
m_streamFile.Seek(position, SeekOrigin.Begin);
m_streamFile.Write(buffer, 0, buffer.Length);
//MemoryMappedViewAccessor acessor = m_memoryMappedFile.CreateViewAccessor(position, position + lg);
//acessor.Write(position, ref buffer);
//m_memoryMappedViewStream.Seek(position, SeekOrigin.Begin);
//m_memoryMappedViewStream.Write(buffer, 0, buffer.Length);
//BinaryWriter streamWriter = new BinaryWriter(m_memoryMappedViewStream);
//streamWriter.Write(buffer);
//streamWriter.Close();
//m_memoryMappedViewStream.Flush();
//m_memoryMappedViewStream.Close();
//m_memoryMappedViewStream = null;
return(lg);
}
/// <summary>
/// чтение
/// </summary>
/// <param name="position"></param>
/// <param name="readBytes"></param>
/// <returns></returns>
public object Read(long position, long readBytes)
{
//m_memoryMappedViewStream = m_memoryMappedFile.CreateViewStream();
//m_memoryMappedViewStream.Seek(position, SeekOrigin.Begin);
byte [] buffer = new byte[readBytes];
long lg = buffer.LongLength;
m_streamFile.Seek(position, SeekOrigin.Begin);
m_streamFile.Read(buffer, 0, (int)lg);
//BinaryReader streamWriter = new BinaryReader(m_memoryMappedViewStream);
//streamWriter.Read(buffer, 0, (int)readBytes);
//streamWriter.Close();
//m_memoryMappedViewStream.Read(buffer, 0, (int)readBytes);
//m_memoryMappedViewStream.Close();
//m_memoryMappedViewStream = null;
return(DataCoversion.ByteToObject(buffer));
}
