void Start()
        {
            labelInfo.Text = "Таймер\n" +
                             "запущен ;)";
            WaitBar.Visible = true;
            WaitBar.StartWaiting();
            groupSelectAction.Enabled = false;
            panelSetTime.Enabled      = false;
            listSelectTime.Enabled    = false;
            switchSelectTime.Enabled  = false;
            start = true;

            if (switchSelectTime.Value)
            {
                try
                {
                    int input = Convert.ToInt32(textBoxSetTime.Text),
                        sum   = input * 60;
                    time = Convert.ToString(sum);
                }
                catch
                {
                    switchSelectTime.Value = false;
                }
            }
            else
            {
                SetTime();
            }
            timeLeft = Convert.ToInt32(time);
            timer.Start();
            buttonStart.Enabled  = false;
            buttonCancel.Enabled = true;

            WindowState = FormWindowState.Minimized;
            if (WindowState == FormWindowState.Minimized)
            {
                ShowInTaskbar              = false;
                notifyIcon.Visible         = true;
                notifyIcon.BalloonTipTitle = "Таймер запущен";
                notifyIcon.BalloonTipText  = "Программа была спрятана в трей" +
                                             " и продолжит свою работу.\n" +
                                             $"Компьютер {actionLog} через {Convert.ToInt32(time) / 60} минут";
                notifyIcon.ShowBalloonTip(1500);
            }
        }
 void Stop()
 {
     labelInfo.Text = "Таймер\n" +
                      "остановлен...";
     WaitBar.Visible = false;
     WaitBar.StopWaiting();
     groupSelectAction.Enabled = true;
     panelSetTime.Enabled      = true;
     listSelectTime.Enabled    = true;
     switchSelectTime.Enabled  = true;
     start = false;
     timer.Stop();
     labelTimer.Text      = string.Empty;
     buttonStart.Enabled  = true;
     buttonCancel.Enabled = false;
     ShowInTaskbar        = true;
     notifyIcon.Visible   = false;
     WindowState          = FormWindowState.Normal;
 }