Model-View-ViewModel (MVVM) - Part 4 - INotifyDataErrorInfo
Read OriginalThis article is part 4 of a series on the Model-View-ViewModel (MVVM) pattern, focusing on user input validation using the INotifyDataErrorInfo interface in WPF. It details how the interface works, demonstrates visual feedback for valid/invalid states, and discusses the design of a performant base class that integrates with INotifyPropertyChanged and Reactive Extensions.
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