public override IByteStream AdjustCapacity(int newCapacity) { int offset; IChunk chunk = _allocator.Alloc(newCapacity, out offset); if (_writerindex > 0) { System.Buffer.BlockCopy(_chunk.BufferBlock, _chunkoffset, chunk.BufferBlock, offset, _writerindex); } _chunk.FreeBuffer(_chunkoffset); _chunk = chunk; _chunkoffset = offset; return(this); }