System.Waf.Presentation.ValidationTracker.AddErrors C# (CSharp) Метод

        internal void AddErrors(object validationSource, IEnumerable<ValidationError> errors)
        {
            foreach (ValidationError error in errors)
            {
                AddError(validationSource, error);
            }

            ValidationHelper.InternalSetIsValid(owner, !errors.Any());
        }

 private void ValidationSourceLoaded(object sender, RoutedEventArgs e)
 {
     if (sender is FrameworkElement element)
     {
         element.Loaded -= ValidationSourceLoaded;
     }
     else
     {
         ((FrameworkContentElement)sender).Loaded -= ValidationSourceLoaded;
     }
     validationTracker.AddErrors(sender, errors);
 }