/// <summary> /// Core update routine. /// </summary> /// <param name="context">The context that holds information about the animation.</param> protected override void UpdateAnimationOverride(AnimationContext context) { context.EnsureDefaultTransforms(); double startY = this.Initialize(context.Target as FrameworkElement, this.StartY); double endY = this.Initialize(context.Target as FrameworkElement, this.EndY); context.MoveY(this.GetMoveArguments(startY, endY)); base.UpdateAnimationOverride(context); }