public new void InsertRange(int index, IEnumerable <T> collection)
{
base.InsertRange(index, collection);
foreach (T item in collection)
{
ItemInsertedEvent?.Invoke(this, new ListItemsChangedEventArgs <T>(item, index++));
}
}
public new void Insert(int index, T item)
{
base.Insert(index, item);
ItemInsertedEvent?.Invoke(this, new ListItemsChangedEventArgs <T>(item, index));
}
