RachelRachel 133k6767 Gold badges315315 silver badges510510 bronze badges two three Rachel, that you are a lovely genius!!! And that i am an fool. Thank you a lot for the solution. I used to be binding to self and did not have a 'ConfigurationModel' property in my IncrementingTextBox course. ✦ Think https://flatsm3msector58.blogspot.com