What is an example of using a WPF validation framework to align tree validation?

Question

I am reading part of WPF in favor of binding-based validation, so that validation events can bubble the tree, so to speak.

What would be an example of where this would be useful? Just trying to figure it out.

Answer 1

You might be interested in the WPF Application Framework (WAF) BookLibrary application . It shows how to use the bubble check event in WPF to notify when any of the child controls becomes invalid. This is used to disable the save button.