static void AccountsChanged(object sender, EventArgs e)
        {
            var contains = schedulers.Keys;
            var accounts = AccountStorage.Accounts;
            var newbies  = accounts.Except(contains);
            var olds     = contains.Except(accounts);

            if (newbies.Count() > 0)
            {
                newbies.ForEach(i =>
                {
                    var item = new AccountScheduler(i);
                    schedulers.AddOrUpdate(i, item);
                    item.StartSchedule();
                });
            }
            if (olds.Count() > 0)
            {
                olds.ForEach(i =>
                {
                    var item = schedulers[i];
                    schedulers.Remove(i);
                    item.StopSchedule();
                });
            }
            OnSchedulerUpdated(EventArgs.Empty);
        }
 static void AccountsChanged(object sender, EventArgs e)
 {
     var contains = schedulers.Keys;
     var accounts = AccountStorage.Accounts;
     var newbies = accounts.Except(contains);
     var olds = contains.Except(accounts);
     if (newbies.Count() > 0)
         newbies.ForEach(i =>
         {
             var item = new AccountScheduler(i);
             schedulers.AddOrUpdate(i, item);
             item.StartSchedule();
         });
     if (olds.Count() > 0)
         olds.ForEach(i =>
         {
             var item = schedulers[i];
             schedulers.Remove(i);
             item.StopSchedule();
         });
     OnSchedulerUpdated(EventArgs.Empty);
 }