It's not how I had visualized the process as working.
I appreciate your suggestion for a solution, but it doesn't fit well in my case.
I ended up solving it by watching for Notify Collection Changed Events and using those to trigger a Binding Expression.
in your View Model order to notify the View that the property has changed. Example, I have a Model within that model an object Program.
The easiest way to get the behavior you desire is: Thanks Ray!