/// <summary>
        /// Writes count bytes from the current position into data starting at offset.
        /// </summary>
        /// <param name="data">The byte array where data will be read from.</param>
        /// <param name="offset">The position in the byte array where those data will be read from.</param>
        /// <param name="count">The amount of bytes which will be read.</param>
        /// <remarks>BEWARE: This method is also NOT DOING input checks of the given parameters.</remarks>
        public unsafe void WriteBytes(byte[] data, int offset, int count)
        {
            if (data == null)
            {
                throw new ArgumentNullException("data", "data can't be null.");
            }

            if (offset < 0)
            {
                throw new ArgumentOutOfRangeException("offset", "offset can't be negative.");
            }

            if (count < 0)
            {
                throw new ArgumentOutOfRangeException("count", "count can't be negative.");
            }

            if (offset + count > data.Length)
            {
                throw new ArgumentOutOfRangeException("count", "offset + count bigger than data.Length.");
            }

            if (size < count)
            {
                Next = new ManagedBinaryMemoryWriterSegment(writer, count > 1024 ? count : 1024);
                Next.WriteBytes(data, offset, count);
                return;
            }

            fixed(byte *bData = this.data)
            fixed(byte *pData = data)
            Buffer.MemoryCopy(pData + offset, bData + position, count, count);

            position += count;
            size     -= count;
        }
 /// <summary>
 /// Writes count bytes from the current position into data starting at offset.
 /// </summary>
 /// <param name="data">The byte array where data will be read from.</param>
 /// <param name="offset">The position in the byte array where those data will be read from.</param>
 /// <param name="count">The amount of bytes which will be read.</param>
 /// <remarks>BEWARE: This method is also NOT DOING input checks of the given parameters.</remarks>
 public void WriteBytes(byte[] data, int offset, int count)
 {
     currentSegment.WriteBytes(data, offset, count);
 }