void AssociatedObject_Loaded(object sender, RoutedEventArgs e)
{
this.AssociatedObject.Loaded -= new RoutedEventHandler(AssociatedObject_Loaded);
BehaviorCollection parent_attached_behaviors = Interaction.GetBehaviors(this.AssociatedObject.Parent);
ResizeBehavior parent_resize_behavior = null;
foreach (Behavior b in parent_attached_behaviors)
{
if (b.GetType() == typeof(ResizeBehavior))
{
parent_resize_behavior = (ResizeBehavior)b;
break;
}
}
if (parent_resize_behavior == null)
{
(this.AssociatedObject.Parent as FrameworkElement).SizeChanged += new SizeChangedEventHandler(ParentSizeChanged);
}
else
{
//attach to parent's resize behavior to notice size changes
parent_resize_behavior.SizeChanged += new EventHandler(ParentBehaviorSizeChanged);
}
}
private static void OnAppareanceElementChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
{
ResizeBehavior source = (ResizeBehavior)obj;
if (source.AssociatedObject == null)
{
return;
}
source.setRectangle(source.resizePart);
}
private static void StayInParentPropertyChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
{
ResizeBehavior source = (ResizeBehavior)obj;
source.checkParentBounds();
}
private static void OnSizeChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
{
ResizeBehavior source = (ResizeBehavior)obj;
source.checkSizeValues();
}