RachelRachel 133k6767 gold badges315315 silver badges510510 bronze badges 2 three Rachel, you are a lovely genius!!! And I am an idiot. Thank you a great deal for the answer. I used to be binding to self and did not have a 'ConfigurationModel' property in my IncrementingTextBox class. My outdoor faucet https://justpaste.it/jl0zf