Pro C# 9 with .NET 5: Foundational Principles and Practices in Programming

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2021

A. Troelsen, P. JapiksePro C# 9 with .NET 5https://doi.org/10.1007/978-1-4842-6939-8_28

28. WPF Notifications, Validations, Commands, and MVVM

Andrew Troelsen¹   and Phillip Japikse²

(1)

Minneapolis, MN, USA

(2)

West Chester, OH, USA

 

This chapter will conclude your investigation of the WPF programming model by covering the capabilities that support the Model-View-ViewModel (MVVM) pattern. The first section covers the Model-View-ViewModel pattern. Next, you learn about the WPF notification system and its implementation of the Observable pattern through observable models and observable collections. Having the data in the UI accurately portray the current state ...