bool IWeakEventListener.ReceiveWeakEvent(Type managerType, object sender, EventArgs e)
{
if (typeof(CollectionChangedEventManager) == managerType)
{
Debug.Assert(sender == m_groupLevelDescriptions);
switch ((( NotifyCollectionChangedEventArgs )e).Action)
{
case NotifyCollectionChangedAction.Move:
case NotifyCollectionChangedAction.Remove:
break;
default:
if (GroupLevelDescriptionFinder.TryFind(m_groupLevelDescriptions, m_groupDescription, out m_groupLevelDescription))
{
this.RaisePropertyChanged("GroupLevelDescription");
this.Dispose();
}
break;
}
return(true);
}
return(false);
}
internal GroupLevelDescriptionFinder(GroupDescription groupDescription, IEnumerable <GroupLevelDescription> groupLevelDescriptions)
{
if (groupDescription == null)
{
throw new ArgumentNullException("groupDescription");
}
if (groupLevelDescriptions == null)
{
throw new ArgumentNullException("groupLevelDescriptions");
}
if (!GroupLevelDescriptionFinder.TryFind(groupLevelDescriptions, groupDescription, out m_groupLevelDescription))
{
m_groupDescription = groupDescription;
m_groupLevelDescriptions = groupLevelDescriptions;
this.RegisterCollectionChanged(( INotifyCollectionChanged )groupLevelDescriptions);
}
}
