protected override void OnStart(string[] args)
{
string nonAggregatedUserVersionInfoPath = System.Configuration.ConfigurationSettings.AppSettings["nonAggregatedUserVersionInfoPath"];
string aggregatedserVersionInfoPath = System.Configuration.ConfigurationSettings.AppSettings["aggregatedUserVersionInfoPath"];
int approxMaxNoRows = int.Parse(System.Configuration.ConfigurationSettings.AppSettings["approxMaxNoRows"]);
int timerInterval = int.Parse(System.Configuration.ConfigurationSettings.AppSettings["timerInterval"]) * 60 * 1000;
_simpleAggregator = new SimpleAggregator(nonAggregatedUserVersionInfoPath, aggregatedserVersionInfoPath, "user_version_info", approxMaxNoRows, typeof(ComponentInfoCollection));
_timer.Interval = timerInterval;
_timer.Start();
eventLog.WriteEntry("Service has started");
}
protected override void OnStop()
{
_timer.Stop();
_simpleAggregator = null;
eventLog.WriteEntry("Service has stopped");
}