https://learn.microsoft.com/pt-pt/dotnet/api/system.windows.media.animation.animatable.hasanimatedproperties?view=netframework-4.8.1&viewFallbackFrom=windowsdesktop-9.0
Animatable.HasAnimatedProperties Property (System.Windows.Media.Animation) | Microsoft Learn
Gets a value that indicates whether one or more AnimationClock objects is associated with any of this object's dependency properties.
property systemwindows mediaanimatableanimationmicrosoft