System.InvalidOperationException
  HResult=0x80131509
  Message=Native type is not registered
  Source=Noesis.GUI
  StackTrace:
   at Noesis.Extend.GetNativeTypeInfo(IntPtr nativeType)
   at Noesis.AnimationTimeline.get_TargetPropertyType()
   at Noesis.AnimationTimeline.IsValidTarget(DependencyProperty dp)
   at Noesis.UIElement.BeginAnimation(DependencyProperty dp, AnimationTimeline animation, HandoffBehavior handoffBehavior)
   at Noesis.UIElement.BeginAnimation(DependencyProperty dp, AnimationTimeline animation)
   at RssReader.MainWindow.OnNextClicked(Object sender, RoutedEventArgs e) in F:\WORK\NoesisGUI-ManagedSDK-3.1.2\Src\Samples\ApplicationTutorial\Src\MainWindow.xaml.cs:line 113
   at Noesis.RoutedEventArgs.InvokeHandler(Delegate handler, IntPtr sender, IntPtr args)
   at Noesis.EventManager.InvokeHandler(IntPtr routedEventPtr, Delegate handler, IntPtr sender, IntPtr args)
   at Noesis.EventHandlerStore.RaiseRoutedEvent(IntPtr cPtrType, IntPtr cPtr, IntPtr routedEvent, IntPtr sender, IntPtr e)

<Window.Resources>
        <Storyboard x:Key="TestStoryboard">
            <ObjectAnimationUsingKeyFrames 
                        Storyboard.TargetName="Prev"
                        Storyboard.TargetProperty="Visibility">
                <DiscreteObjectKeyFrame KeyTime="00:00:00.0" Value="{x:Static Visibility.Visible}"/>
            </ObjectAnimationUsingKeyFrames>
        </Storyboard>
    </Window.Resources>

void OnNextClicked(object sender, RoutedEventArgs e)
        {
            var board = (Storyboard)FindResource("TestStoryboard");

           // board.Begin(); // this works but doesn't allow me to specify individual animations' targets
            var anim = (AnimationTimeline)board.Children[0];
            var bt = (Button)FindName("Prev");

            // none of these 3 work in Noesis even if I set the target to the same value as original. Skipping them all and just running BeginAnimation also doesn't work.
            //anim.SetValue(Storyboard.TargetNameProperty, "Prev");
            //Storyboard.SetTarget(anim, bt);
            //Storyboard.SetTargetName(anim, "Prev");
            
            bt.BeginAnimation(Button.VisibilityProperty, anim);

        }

Storyboar storyboard = CreateAnimation(...);
storyboard.Begin(element)