RachelRachel 133k6767 Gold badges315315 silver badges510510 bronze badges 2 three Rachel, you will be a good looking genius!!! And that i am an idiot. Thanks much for the answer. I used to be binding to self and did not have a 'ConfigurationModel' property in my IncrementingTextBox class. The dilemma is https://dlfsector77newlaunch.blogspot.com