WPF MultiBinding in Convertor fails ==> DependencyProperty.UnsetValue

Question

My code fails at at startup because the values array in the Converter that is called by the Multibinding is not filled with proper value bu

Answer 1

I also encountered this problem and found a solution in another post (https://stackoverflow.com/a/3139397/500099). The key is to use the FallbackValue="" property like this: