/// <summary> /// Provides a secure method for setting the Behaviors property. /// This dependency property indicates .... /// </summary> private static void SetBehaviors(DependencyObject d, BehaviorBindingCollection value) { d.SetValue(BehaviorsPropertyKey, value); INotifyCollectionChanged collection = value; collection.CollectionChanged += CollectionChanged; }
/// <summary> /// Gets the Behaviors property. /// Here we initialze the collection and set the Owner property /// </summary> public static BehaviorBindingCollection GetBehaviors(DependencyObject d) { if (d == null) { throw new InvalidOperationException("The dependency object trying to attach to is set to null"); } var collection = d.GetValue(BehaviorsProperty) as BehaviorBindingCollection; if (collection == null) { collection = new BehaviorBindingCollection { Owner = d }; SetBehaviors(d, collection); } return(collection); }