private void OnTrackedItemChanged(object sender, PropertyChangedEventArgs e)
{
if (e.IsMatch(this.getter.Property))
{
var item = (TItem)sender;
this.OnTrackedItemChanged(
item,
sender,
e,
SourceAndValue.Create(
(INotifyPropertyChanged)sender,
this.getter.GetMaybe(item)));
}
}
private void SignalInitial(TItem item)
{
if (!this.HasSubscribers)
{
return;
}
this.OnTrackedItemChanged(
item,
item,
CachedEventArgs.GetOrCreatePropertyChangedEventArgs(string.Empty),
SourceAndValue.Create(
(INotifyPropertyChanged)item,
this.getter.GetMaybe(item)));
}
private void OnTrackedPropertyChanged(IPropertyTracker tracker, object sender, PropertyChangedEventArgs e, SourceAndValue <INotifyPropertyChanged, TValue> sourceandvalue)
{
this.TrackedPropertyChanged?.Invoke(tracker, sender, e, sourceandvalue);
}
private void OnTrackedItemChanged(IPropertyTracker tracker, object sender, PropertyChangedEventArgs e, SourceAndValue <INotifyPropertyChanged, TProperty> sourceAndValue)
{
this.OnTrackedItemChanged(
((PropertyPathTracker <TItem, TProperty>)tracker.PathTracker).Source,
sender,
e,
sourceAndValue);
}
protected void OnTrackedItemChanged(TItem item, object sender, PropertyChangedEventArgs e, SourceAndValue <INotifyPropertyChanged, TProperty> sourceAndValue)
{
this.TrackedItemChanged?.Invoke(item, sender, e, sourceAndValue);
}