How to implement INotifyDataErrorInfo in WPF 4.5? [closed]
Beside the very detailed description on MSDN about the Silverlight version of INotifyDataErrorInfo There are already some blog posts with samples how to use/implement it in WPF 4.5: WPF 4.5 – Asynchronous validation (original link no longer working) Wayback Link WPF 4.5 – Part 1 : Asynchronous data validation (the author has a nice series … Read more