Preventing XML Serialization of IEnumerable and ICollection<T> & Inherited Types

class Target : IEnumerable<Anything>, IXmlSerializable
{
//...

public void ReadXml(System.Xml.XmlReader reader)
{
	reader.ReadStartElement();
	TargetXmlAdapter toRead = (TargetXmlAdapter)new XmlSerializer(typeof(TargetXmlAdapter)).Deserialize(reader);
	reader.Read();

	// here: install state from TargetXmlAdapter
}

public void WriteXml(System.Xml.XmlWriter writer)
{
	// NOTE: TargetXmlAdapter(Target) is supposed to store this' state being subject to serialization
	new XmlSerializer(typeof(TargetXmlAdapter)).Serialize(writer, new TargetXmlAdapter(this));
}
}

[XmlArray("ProviderPatientLists")]
        [XmlArrayItem("File")]
      public ProviderPatientList Files
    {
        get { return _ProviderPatientLists; }
        set
        {
            _ProviderPatientLists = value;
        }
    }