void update_seasons()
{
SeasonList.Items.Clear();
foreach (CalendarEvent ce in fCalendar.Seasons)
{
MonthInfo mi = fCalendar.FindMonth(ce.MonthID);
int day = ce.DayIndex + 1;
ListViewItem lvi = SeasonList.Items.Add(ce.Name);
lvi.SubItems.Add(mi.Name + " " + day);
lvi.Tag = ce;
}
if (SeasonList.Items.Count == 0)
{
ListViewItem lvi = SeasonList.Items.Add("(no seasons)");
lvi.ForeColor = SystemColors.GrayText;
}
SeasonList.Sort();
}