private void SetupPropertyChangeSubscription()
{
if (this.PropertyAccessTree == null)
{
return;
}
if (this.PropertyAccessTree.DoesEntireTreeSupportINotifyPropertyChanging)
{
_propertyChangedSubscription = this.PropertyAccessTree.CreateCallbackSubscription <NotifyCollectionChangedMonitor <T> >(OnAnyPropertyChange);
}
else
{
this.Subscriptions = new Dictionary <T, SubscriptionTree>();
}
}
internal void SubscribeToChanges(T subject)
{
if (EntireTreeSupportINotifyPropertyChanging)
{
if (_PropertyAccessTree == null)
{
_PropertyAccessTree = PropertyAccessTree.CreateCallbackSubscription <PropertyNotifier <T> >(OnItemChanging, OnItemChanged);
}
_PropertyAccessTree.SubscribeToChanges(subject, this);
}
else
{
if (_Subscriptions == null)
{
_Subscriptions = new Dictionary <T, SubscriptionTree>();
}
SubscriptionTree tree = PropertyAccessTree.CreateSubscriptionTree(subject);
tree.PropertyChanged += OnAnyPropertyChangeInSubscriptionTree;
_Subscriptions.Add(subject, tree);
}
}