public CollectionEvent(CollectionEventType type, T item, int index)
{
Type = type;
Item = item;
Index = index;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="eventType">The event type</param>
/// <param name="element">The affected element value (may be null for collection-general events)</param>
public CollectionEvent(CollectionEventType eventType, int?element)
{
this.EventType = eventType;
this.Element = element;
}
