/// <summary>
        /// add
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void TimerAddButton_Click(object sender, RoutedEventArgs e)
        {
            //if text matches an amount of time
            if (timeRegex.IsMatch(TimerAmount.Text))
            {
                //take input
                string[] s      = timeRegex.Match(TimerAmount.Text).Value.Split(splitChArr, 3);
                int[]    values = new int[s.Length];
                for (int i = 0; i < s.Length; i++)
                {
                    values[i] = Convert.ToInt32(s[i]);
                }

                //create timespan with input
                TimeSpan ts = new TimeSpan(values[0], values[1], values[2]);

                //if a timer is selected add the TimeSpan to it
                if (TimerListBox.SelectedIndex >= 0)
                {
                    timerList[TimerListBox.SelectedIndex].Add(ts);
                    TimerListBox.Items[TimerListBox.SelectedIndex] = timerList[TimerListBox.SelectedIndex].TimerFormat();
                }
                //else create a new timer with the TimeSpan
                else if (TimerListBox.SelectedIndex == -1)
                {
                    TimerClock temp = new TimerClock(ts);
                    timerList.Add(temp);

                    TimerListBox.Items.Add(temp.TimerFormat());
                }
            }
        }
        private void TimerAddTimerButton_Click(object sender, RoutedEventArgs e)
        {
            //if text matches an amount of time
            if (timeRegex.IsMatch(TimerAmount.Text))
            {
                string[] s      = timeRegex.Match(TimerAmount.Text).Value.Split(splitChArr, 3);
                int[]    values = new int[s.Length];
                for (int i = 0; i < s.Length; i++)
                {
                    values[i] = Convert.ToInt32(s[i]);
                }

                //create timespan with input
                TimeSpan ts = new TimeSpan(values[0], values[1], values[2]);

                //create a new timer with the TimeSpan and add it to the ListBox
                TimerClock temp = new TimerClock(ts);
                timerList.Add(temp);

                TimerListBox.Items.Add(temp.TimerFormat());
            }
        }