diff --git a/MapControl/WinUI/MapBase.WinUI.cs b/MapControl/WinUI/MapBase.WinUI.cs
index e86fcc8f..cf63adb5 100644
--- a/MapControl/WinUI/MapBase.WinUI.cs
+++ b/MapControl/WinUI/MapBase.WinUI.cs
@@ -363,7 +363,7 @@ namespace MapControl
             }
         }
 
-        public void BeginAnimation(string property, Timeline animation)
+        private void BeginAnimation(string property, Timeline animation)
         {
             Storyboard.SetTarget(animation, this);
             Storyboard.SetTargetProperty(animation, property);