https://learn.microsoft.com/en-us/dotnet/api/system.windows.uipropertymetadata.isanimationprohibited?view=netframework-4.8.1&viewFallbackFrom=windowsdesktop-9.0
UIPropertyMetadata.IsAnimationProhibited Property (System.Windows) | Microsoft Learn
Gets or sets a value declaring whether animations should be disabled on the dependency property where the containing metadata instance is applied.
property systemwindowsmicrosoftlearn