c#数据缓存

/// <summary>
    /// <code>
    /// byte数组
    /// 本类实例和socket配对
    /// 仅用于储存网络缓存数据
    /// </code>
    /// </summary>
    public class ByteArray
    {
        private byte[] m_bytes = new byte[1024];

        private int m_length = 0;

        public int Length
        {
            get { return m_length; }
        }

        public void AddToEnd(byte[] bytes)
        {
            newBuffer(bytes.Length);
            Buffer.BlockCopy(bytes, 0, m_bytes, m_length, bytes.Length);
            m_length += bytes.Length;
        }
        public void AddToEnd(byte[] bytes, int index, int count)
        {
            newBuffer(count);
            Buffer.BlockCopy(bytes, index, m_bytes, m_length, count);
            m_length += count;
        }

        /// <summary>
        /// 检查内存是否够用,若不够则开辟新内存
        /// </summary>
        private void newBuffer(int dataLenght)
        {
            int addLen = m_length + dataLenght;

            if (addLen >= m_bytes.Length)//内存不够,开辟新内存
            {
                addLen += addLen % 1024;
                byte[] newBytes = new byte[addLen];
                Buffer.BlockCopy(m_bytes, 0, newBytes, 0, m_length);
                m_bytes = null;
                m_bytes = newBytes;
            }
        }

        /// <summary>
        /// 从头开始获取指定长度的数据
        /// </summary>
        /// <param name="count"></param>
        /// <returns></returns>
        public byte[] GetBytesFromBegin(int Offset, int count)
        {
            byte[] newBytes = new byte[count];
            Buffer.BlockCopy(m_bytes, Offset, newBytes, 0, count);
            return newBytes;
        }

        /// <summary>
        /// 从开头删除
        /// </summary>
        public void RemoveFromBegin(int count)
        {
            m_length -= count;
            Buffer.BlockCopy(m_bytes, count, m_bytes, 0, m_length);
        }

        public byte[] GetAndRemoveFromBegin(int count)
        {
            byte[] newBytes = GetBytesFromBegin(0, count);
            RemoveFromBegin(count);
            return newBytes;
        }
    }