RachelRachel 133k6767 Gold badges315315 silver badges510510 bronze badges 2 3 Rachel, you might be a lovely genius!!! And I am an idiot. Thanks much for the answer. I was binding to self and did not have a 'ConfigurationModel' property in my IncrementingTextBox class. What benefits does the @property notation keep https://independentvillainnoida.blogspot.com/2025/05/live-elevated-with-finest-living-at-jms.html