ATMLUtilitiesLibrary.UTRSFileWatcher.ChangeWatcherState C# (CSharp) Метод

        private bool ChangeWatcherState( UTRSFileWatchable sender, bool state )
        {
            bool ok = false;
            if (_fileWatchers.ContainsKey( sender ))
            {
                FileSystemWatcher watcher = _fileWatchers[sender];
                watcher.EnableRaisingEvents = state;
                ok = true;
            }
            return ok;
        }