public static void Shutdown()
{
if (Enabled)
{
telemetrySettings.Save();
// before exit, flush the remaining data
telemetryClient.Flush();
// flush is not blocking when not using InMemoryChannel so wait a bit. There is an active issue regarding the need for `Sleep`/`Delay`
// which is tracked here: https://github.com/microsoft/ApplicationInsights-dotnet/issues/407
if (WaitAtShutdown)
{
System.Threading.Tasks.Task.Delay(5000).Wait();
}
}
}
