RachelRachel 133k6767 gold badges315315 silver badges510510 bronze badges 2 three Rachel, you are a beautiful genius!!! And that i am an idiot. Thank you a lot for the answer. I used to be binding to self and did not have a 'ConfigurationModel' property in my IncrementingTextBox class. In this particular https://sohnagreensplots.blogspot.com