RachelRachel 133k6767 Gold badges315315 silver badges510510 bronze badges 2 3 Rachel, you are a wonderful genius!!! And I am an fool. Thanks much for the answer. I used to be binding to self and did not have a 'ConfigurationModel' property in my IncrementingTextBox class. The problem is "what is the https://newlaunchprojectnoidaextension.blogspot.com/2025/05/shape-your-future-with-modern-elegance.html