System.Web.HttpApplicationFactory.OnFileChanged C# (CSharp) Method

	        static void OnFileChanged(object sender, FileSystemEventArgs args)
	        {
			if (HttpRuntime.DomainUnloading)
				return;
			string name = args.Name;
			bool isConfig = false;

			if (StrUtils.EndsWith (name, "onfig", true)) {
				if (String.Compare (Path.GetFileName (name), "web.config", true, Helpers.InvariantCulture) != 0)
					return;
				isConfig = true;
			} else if (StrUtils.EndsWith (name, "lobal.asax", true) && String.Compare (name, "global.asax", true, Helpers.InvariantCulture) != 0)
				return;

			Console.WriteLine ("Change: " + name);

			// {Inotify,FAM}Watcher will notify about events for a directory regardless
			// of the filter pattern. This might be a bug in the watchers code, but
			// since I couldn't find any rationale for the code in there I'd opted for
			// not removing it and instead working around the issue here. Fix for bug
			// #495011
			FileSystemWatcher watcher = sender as FileSystemWatcher;
			if (watcher != null && String.Compare (watcher.Filter, "?eb.?onfig", true, Helpers.InvariantCulture) == 0 && Directory.Exists (name))
				return;

			// We re-enable suppression here since WebConfigurationManager will disable
			// it after save is done. WebConfigurationManager is called twice by
			// Configuration - just after opening the target file and just after closing
			// it. For that reason we will receive two change notifications and if we
			// disabled suppression here, it would reload the application on the second
			// change notification.
			if (isConfig && WebConfigurationManager.SuppressAppReload (true))
				return;
			
	        	lock (watchers_lock) {
				if(app_shutdown)
					return;
				app_shutdown = true;

				// Disable event raising to avoid concurrent restarts
				DisableWatchers ();
				
				// Restart application
				HttpRuntime.UnloadAppDomain();
			}
	        }
	}