RachelRachel 133k6767 gold badges315315 silver badges510510 bronze badges 2 3 Rachel, that you are an attractive genius!!! And that i am an fool. Thanks a great deal of for the solution. I used to be binding to self and didn't have a 'ConfigurationModel' property in my IncrementingTextBox class. As the https://centralpark104gurgaon.business.blog/