public static void SetEnableAnimations(Border border, bool value) { var page = border.FindAncestorOfType <CompositionPage>(); if (page == null) { border.AttachedToVisualTree += delegate { SetEnableAnimations(border, true); }; return; } if (ElementComposition.GetElementVisual(page) == null) { return; } page.EnsureImplicitAnimations(); if (border.GetVisualParent() is Visual visualParent && ElementComposition.GetElementVisual(visualParent) is CompositionVisual compositionVisual) { compositionVisual.ImplicitAnimations = page._implicitAnimations; } }