ARKBreedingStats.FileSync.onChanged C# (CSharp) Метод

        private void onChanged(object source, FileSystemEventArgs e)
        {
            // Wait until the file is writeable
            while (true)
            {
                try
                {
                    using (Stream stream = File.Open(currentFile, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite))
                    {
                        if (stream != null)
                            break;
                    }
                }
                catch (FileNotFoundException ex)
                { }
                catch (IOException ex)
                { }
                catch (UnauthorizedAccessException ex)
                { }
                Thread.Sleep(500);
            }

            // Notify the form that the collection has been changed, but only if it's been
            // at least two seconds since last update
            if ((lastUpdated == null || (DateTime.Now - lastUpdated).TotalSeconds > 2) && Properties.Settings.Default.syncCollection)
            {
                callbackFunction();
                lastUpdated = DateTime.Now;
            }
        }