こんなBehaviorを作ってぽとっとすればOK public class FlipViewRollingBehavior : Behavior<FlipView> { private IDisposable disposable; public static readonly DependencyProperty IntervalProperty = DependencyProperty.Register( "Interval", typeof(int), typeof(FlipViewRollingBehavior), new PropertyMetadata(15)); public int Interval { get { return (int)GetValue(IntervalProperty); } set { SetValue(IntervalProperty, value