BitSharper.PeerGroup.StartBlockChainDownloadFromPeer C# (CSharp) Method

        private void StartBlockChainDownloadFromPeer(Peer peer)
        {
            lock (this)
            {
                peer.BlocksDownloaded += (sender, e) => _downloadListener.OnBlocksDownloaded((Peer) sender, e.Block, e.BlocksLeft);
                peer.ChainDownloadStarted += (sender, e) => _downloadListener.OnChainDownloadStarted((Peer) sender, e.BlocksLeft);
                try
                {
                    peer.StartBlockChainDownload();
                }
                catch (IOException e)
                {
                    _log.Error("failed to start block chain download from " + peer, e);
                    return;
                }
                _downloadPeer = peer;
            }
        }