When SelectedItem value changes it does not trigger SelectedItemConverter. I tried to use SetCurrentValue and InvalidateProperty and fiddled with attributes like NotifyOnSourceUpdated, UpdateSourceTrigger and Mode. Sadly they do not work. Perhaps I should add something in parent xaml to nudge it? Currently its: <local:Menu SelectedItem="{Binding SelectedMenuItem}" OnSelect="{Binding OnSelectCommand}" Items="{Binding MenuItems}"/> Thanks for help. control xaml… Read More Multibinding Converter not called in ItemsControl