private void ReadRef(XmlReaderDelegator reader)
{
Ref = reader.ReadContentAsString();
if (string.IsNullOrEmpty(Ref))
{
throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.Format(SR.InvalidXsRefDefinition, Ref)));
}
}