private void AbortButtonClick(object sender, RoutedEventArgs e)
        {
            var addRuleWindowResult = new AddRuleWindowResult {
                Result = false
            };

            Close(addRuleWindowResult);
        }
        private void AddButtonClick(object sender, RoutedEventArgs e)
        {
            var addRuleWindowResult = new AddRuleWindowResult
            {
                Result = true, RuleKey = RuleKey.Text, RuleValue = RuleValue.Text
            };

            Close(addRuleWindowResult);
        }