public static IEnumerable<ValidationResult> Validate(object component)
{
return from descriptor in TypeDescriptor.GetProperties(component).Cast<PropertyDescriptor>()
from validation in descriptor.Attributes.OfType<System.ComponentModel.DataAnnotations.ValidationAttribute>()
where !validation.IsValid(descriptor.GetValue(component))
select new ValidationResult(
validation.ErrorMessage ?? string.Format(CultureInfo.CurrentUICulture, "{0} validation failed.", validation.GetType().Name),
new[] { descriptor.Name });
}
...