using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Markup; [assembly: XmlnsDefinition("http://schemas.cosysda.de/sanVerwaltung/xaml","KlassenBIB")] namespace KlassenBIB { [ContentProperty("Adressen")] public class Projekt { public string Nummer { get; set; } public string Ort { get; set; } public AdresseCollection Adressen { get; private set; } public Projekt() { Adressen = new AdresseCollection(); } } }