/// <summary>
    /// Fornisce un semplice Timer
    /// </summary>
    public class Timer
    {
        private System.Threading.Timer timer = null;
        public System.Threading.TimerCallback timerCallback = null;
        private int secondi;
        private bool _isStarted = false;

        public bool IsStarted
        {
            get { return _isStarted; }
        }

        /// <summary>
        /// Istanzia un nuovo timer con i parametri specificati
        /// </summary>
        /// <param name="secondi">Numero di secondi dopo il quale attivare l'evento timerCallBack</param>
        /// <param name="timerCallback">La funzione da eseguire allo scadere del tempo</param>
        public Timer(int secondi)
        {
            this.secondi = secondi;
        }

        /// <summary>
        /// Avvia il timer in un nuovo thread
        /// </summary>
        public void Start()
        {
            this.timer = new System.Threading.Timer(this.timerCallback, null, 1000 * secondi, System.Threading.Timeout.Infinite);
            this._isStarted = true;
        }

        /// <summary>
        /// Riavvia il timer
        /// </summary>
        public void Restart()
        {
            this.timer.Dispose();
            this.timer = new System.Threading.Timer(this.timerCallback, null, 1000 * secondi, System.Threading.Timeout.Infinite);
            this._isStarted = true;
        }

        /// <summary>
        /// Fermaa il timer
        /// </summary>
        public void Stop()
        {
            if (timer != null)
            {
                this.timer.Dispose();
                this._isStarted = false;
            }
        }

        public void Dispose()
        {
            if (timer != null)
                timer.Dispose();
        }
    }