C# - WPF - Validation with MWWM Pattern and IDataErrorInfo Interface in WPF with DevExpress Component Package. [Year of Development: 2018 and 2020]

About the application technologies and operation:

Technologies:

• Programming Language: C#
• FrontEnd Side: Windows Presentation Foundation (WPF) - .NET Framework 4.6.1.
• BackEnd Side: .NET Framework 4.6.1.
• Other used modul: DevExpress WPF Component Package (v19.2 Trial Version)

Installation/ Configuration:

1. Restore necessary Packages on the selected project, run the following command in PM Console

   Update-Package -reinstall
   

About the application:

This application show how to implement a Validation Rule with MWWM pattern and IDataErrorInfo Interface in WPF with DevExpress Component Package.

The application shows the following:

• How to implement Data Binding in WPF.
• How to use Modal-View-ViewModel (MVVM) in WPF.
• How to implement Command Binding in WPF DevExpress with DelegateCommand delegates.
• How to implement IDataErrorInfo interface and how to use ErrorHandlers and Validation Rules for Validation in WPF DevExpress.
• How to implement Office2016BlackSE Theme in WPF DevExpress.