ArduinoSerialUpload.Form1.serialData C# (CSharp) Method

        private void serialData(string s)
        {
            txtLog.AppendText(s);

            string[] sLines = s.Split(new char[]{'\n'}, StringSplitOptions.RemoveEmptyEntries);
            foreach (string sLine in sLines)
            {
                bool isOk = sLine.StartsWith("200 OK ");
                if (_sendState == SendState.WAITFORSEND && isOk)
                    _sendState = SendState.SENDINGFILE;
                if (_sendState == SendState.SENDINGFILE && isOk)
                {
                    NextFile();
                    return;
                }
            }
        }