UpdateSourceTrigger Property in WPF Binding

I'm a software engineer specialized in .NET framework. I've developed applications in such technologies as Console Applications, Windows Forms, WPF, Web Forms, MVC, Silverlight and Xamarin Forms. I also create and publish my multimedia courses at provid.ir and softdevwithmorteza.wordpress.com.
Some of my courses inclue Design Patterns in C#, OOP Principles, SOLID Principles, High Quality Coding Principles, Anti-patterns, Refactoring, TDD, DDD, .NET Core and so on.