public WeakLifetimeObserver(FrameworkElement observedObject, ILifetimeTarget reference)
{
this.weakReference = new WeakReference<ILifetimeTarget>(reference);
observedObject.Loaded += observedObject_Loaded;
observedObject.Unloaded += observedObject_Unloaded;
}
public WeakLifetimeObserver(FrameworkElement element, ILifetimeTarget target)
{
reference = new WeakReference <ILifetimeTarget>(target);
element.Loaded += OnElementLoaded;
element.Unloaded += OnElementUnloaded;
}
