Lego EV3 Network communication Connect Async start lines

NetworkCommunication.cs

		public async Task ConnectAsync()
		{
			_client = new TcpClient();
			await _client.ConnectAsync(_address, 5555);
			_stream = _client.GetStream();

			// unlock the brick (doesn't actually need serial number?)
			byte[] buff = Encoding.UTF8.GetBytes(UnlockCommand);
			await _stream.WriteAsync(buff, 0, buff.Length);

			// read the "Accept:EV340\r\n\r\n" response
			int read = await _stream.ReadAsync(buff, 0, buff.Length);
			string response = Encoding.UTF8.GetString(buff, 0, read);
			if(string.IsNullOrEmpty(response))
				throw new Exception("LEGO EV3 brick did not respond to the unlock command.");