private void UpdateAppRuntimeCounter()
{
int csec = RegistrySettings.TotalAppRuntime;
string sStartup = RegistrySettings.LatestAppStartupTime;
long start;
if (!String.IsNullOrEmpty(sStartup) && long.TryParse(sStartup, out start))
{
DateTime started = new DateTime(start);
DateTime finished = DateTime.Now.ToUniversalTime();
TimeSpan delta = finished - started;
csec += (int)delta.TotalSeconds;
RegistrySettings.TotalAppRuntime = csec;
}
}