internal void AddPassingItem(CalendarItem item)
{
if (!PassingItems.Contains(item))
{
PassingItems.Add(item);
Day.AddContainedItem(item);
}
}
/// <summary>
/// Clears existance of item from this unit and it's corresponding day.
/// </summary>
/// <param name="item"></param>
internal void ClearItemExistance(CalendarItem item)
{
if (PassingItems.Contains(item))
{
PassingItems.Remove(item);
}
if (Day.ContainedItems.Contains(item))
{
Day.ContainedItems.Remove(item);
}
}
