public void Serialization() {
var viewmodel = new Viewmodel();
Stream stream = new MemoryStream();
var writer = XmlDictionaryWriter.CreateDictionaryWriter(XmlWriter.Create(stream));
var serializer = new DataContractSerializer(typeof(Viewmodel));
serializer.WriteObject(writer, viewmodel);
}
protected override void OnNavigatedTo(NavigationEventArgs e) {
Debug.WriteLine("MainPage.OnNavigatedTo");
if (State.ContainsKey(ModelKey)) {
Debug.WriteLine(" Load State");
var viewModel = State[ModelKey];
DataContext = viewModel;
}
else {
Debug.WriteLine(" New State");
DataContext = new Viewmodel();
}
base.OnNavigatedTo(e);
}