System.Diagnostics.SourceElement.DeserializeElement C# (CSharp) Method

        protected override void DeserializeElement(XmlReader reader, bool serializeCollectionKey)
        {
            base.DeserializeElement(reader, serializeCollectionKey);

            if (!String.IsNullOrEmpty(SwitchName) && !String.IsNullOrEmpty(SwitchValue))
                throw new ConfigurationErrorsException(SR.GetString(SR.Only_specify_one, Name));
        }