private void DataReceivedHandler(object sender, System.IO.Ports.SerialDataReceivedEventArgs e) { int size = SerialPort.BytesToRead; byte[] ReceiveBytes = new byte[size]; SerialPort.Read(ReceiveBytes, 0, size); currentTab.ShowData(ReceiveBytes, 0, size, DateTime.Now); toolBarSettings.ReceiveWindowTextUpdated = true; }