public static void AddRange <T> (this List <T> list, IEnumerable <T> items, ItemPosition position = ItemPosition.Top)
{
if (position.ToBool())
{
list.InsertRange(0, items);
}
else
{
list.AddRange(items);
}
}
public static void Add <T> (this IList <T> list, T item, ItemPosition position = ItemPosition.Top)
{
if (position.ToBool(ItemPosition.Top))
{
list.Insert(0, item);
}
else
{
list.Add(item);
}
}