/// <summary> Constructor. </summary>
/// <param name="owner"> The owner of the list of tracked items. </param>
/// <param name="changedDelegate"> The delegate to subscribe to the Changed event. </param>
public ObjectTracker(AttachedBehavior owner, Action changedDelegate)
: this(owner)
{
if (changedDelegate == null)
{
throw new ArgumentNullException("changedDelegate");
}
Changed += changedDelegate;
}
/// <summary> Constructor. </summary>
/// <param name="owner"> The owner of the list of tracked items. </param>
public ObjectTracker(AttachedBehavior owner)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
_owner = owner;
_currentlyTracking = new HashSet <T>();
}