RachelRachel 133k6767 gold badges315315 silver badges510510 bronze badges two three Rachel, you happen to be a wonderful genius!!! And that i am an idiot. Thanks a great deal of for the answer. I used to be binding to self and did not have a 'ConfigurationModel' property in my IncrementingTextBox class. https://commercialprojectsnoidacentral.blogspot.com/