RachelRachel 133k6767 gold badges315315 silver badges510510 bronze badges 2 3 Rachel, you are a good looking genius!!! And I am an fool. Thanks much for the solution. I was binding to self and didn't have a 'ConfigurationModel' property in my IncrementingTextBox class. What advantages does the @property notation hold about https://adoregurgaon.blogspot.com