public void SendMessage(byte[] data)
{
if (serialPort != null && serialPort.PortOpen())
{
string line = data[0].ToString();
for (int ii = 1; ii < data.Length; ii++)
{
line += string.Format(".{0}", data[ii]);
}
bool connectionHealthy = serialPort.WriteLine(line);
if (!connectionHealthy)
{
ConnectionLost();
}
}
}