System.Web.Configuration.WebConfigurationManager.ReenableWatcherOnConfigLocation C# (CSharp) Method

		static void ReenableWatcherOnConfigLocation (object state)
		{
			string path = state as string;
			if (String.IsNullOrEmpty (path))
				return;

			DateTime lastWrite;
			lock (saveLocationsCacheLock) {
				if (!saveLocationsCache.TryGetValue (path, out lastWrite))
					lastWrite = DateTime.MinValue;
			}

			DateTime now = DateTime.Now;
			if (lastWrite == DateTime.MinValue || now.Subtract (lastWrite).TotalMilliseconds >= SAVE_LOCATIONS_CHECK_INTERVAL) {
				saveLocationsTimer.Dispose ();
				saveLocationsTimer = null;
				HttpApplicationFactory.EnableWatcher (VirtualPathUtility.RemoveTrailingSlash (HttpRuntime.AppDomainAppPath), "?eb.?onfig");
			} else
				saveLocationsTimer.Change (SAVE_LOCATIONS_CHECK_INTERVAL, SAVE_LOCATIONS_CHECK_INTERVAL);
		}