public void RemoveExpandoListener(DependencyProperty dependencyProperty, IDependencyPropertyListener listener)
{
var listenerList = _expandoPropertyChangeListeners.GetValueOrDefault(dependencyProperty);
if (listenerList == null)
{
return;
}
listenerList.Remove(listener);
if (listenerList.IsEmpty)
{
_expandoPropertyChangeListeners.Remove(dependencyProperty);
}
}
public DependencyProperty CaptureServiceProperty(Type type, IDependencyPropertyListener listener)
{
var typeProperties = ServiceProperties.GetOrCreateValues(type);
var weakListener = new WeakReference(listener ?? DummyListener.Instance);
var property = typeProperties.FirstOrDefault(IsFreeImpl);
if (property != null)
{
Target.ClearValue(property);
_servicePropertyListeners.Add(property, weakListener);
return(property);
}
var typeId = TypeIdDictionary.GetValueOrCreate(type, t => _nextTypeId++);
property = RegisterServiceProperty($"{typeId}_svc{typeProperties.Count}", type);
_servicePropertyListeners.Add(property, weakListener);
typeProperties.Add(property);
return(property);
}
public void AddExpandoPropertyListener(DependencyProperty dependencyProperty, IDependencyPropertyListener listener)
{
_expandoPropertyChangeListeners.GetValueOrCreate(dependencyProperty, () => new WeakLinkedList <IDependencyPropertyListener>()).Add(listener);
}
