RemovingAtRuleEventArgs public class RemovingAtRuleEventArgs : CancelEventArgs Provides data for the RemovingAtRule event. Documentation Code public ICssRule Rule { get; } Gets the rule to be removed. public IElement Tag { get; } Gets the tag containing the at-rule to be removed. public RemovingAtRuleEventArgs(IElement tag, ICssRule rule) Provides data for the RemovingAtRule event.