public void AttachDataReceived()
{
DGSerial serial1 = new DGSerial(_portName1, _baudRate1);
DGSerial serial2 = new DGSerial(_portName2, _baudRate2);
serial1.Open();
serial2.Open();
serial2.AttachDataReceived(WriteBytes_DataReceived);
byte[] buffertx = DGSerialHelper.StringToBytes("Test1");
serial1.WriteBytes(buffertx);
serial1.Close();
Thread.Sleep(1000);
serial2.Close();
}