Won't Fix
Last Updated: 29 Mar 2017 14:06 by ADMIN
Exceptions are occuring on ALL bindings, not just with RelativeSource

Command="{Binding AddCommand}"

will also raise an exception.
Won't Fix
Last Updated: 23 Jan 2017 12:23 by ADMIN
When the SelectedIndex property is read during animation the CLR wrapper will throw InvalidCastException because of invalid cast to int. The object returned from GetValue is DeferredReference object.