public static BehaviourCollection GetCollection(FrameworkElement frameworkElement)
{
if (!(frameworkElement.GetValue(BehavioursProperty) is BehaviourCollection collection))
{
collection = new BehaviourCollection();
collection.Apply(frameworkElement);
}
return(collection);
}
public static void SetCollection(FrameworkElement frameworkElement, BehaviourCollection collection)
{
if (frameworkElement.GetValue(BehavioursProperty) is BehaviourCollection oldCollection)
{
oldCollection.Apply(null);
}
frameworkElement.SetValue(BehavioursProperty, collection);
collection.Apply(frameworkElement);
}