static MedievalButton()
{
TextProperty = DependencyProperty.Register("Text", typeof(string), typeof(MedievalButton),
new FrameworkPropertyMetadata(" ", FrameworkPropertyMetadataOptions.AffectsMeasure));
KnockEvent = EventManager.RegisterRoutedEvent("Knock", RoutingStrategy.Bubble, typeof(RoutedEventHandler),
typeof(MedievalButton));
PreviewKnockEvent = EventManager.RegisterRoutedEvent("PreviewKnock", RoutingStrategy.Tunnel,
typeof(RoutedEventHandler), typeof(MedievalButton));
}