private void FormVASimulator_FormClosing(object sender, FormClosingEventArgs e)
{
//stop background thread
_stopRetrieveAckAlarmThread = true;
_retrieveAckAlarmThread.Abort();
//release Alarm wrapper
AlarmWrapperFactory.releaseExternalWrapper(VASubsystemID);
}
public FormVASimulator()
{
InitializeComponent();
//get NET wrapper from factory
_AlarmWrapper = AlarmWrapperFactory.getExternalAlarmWrapper(VASubsystemID);
//update VA startTime;
UpdateVAStartTime();
//Start new thread to update Alarm Request Info and ISCS start time
_retrieveAckAlarmThread = new Thread(new ThreadStart(this.RetrieveAlarmAck));
_stopRetrieveAckAlarmThread = false;
_retrieveAckAlarmThread.Start();
}