Description: This is a modified Windows TextBox control with some additional functionality, that I think you'll find as useful as I have.
Update (11/13/2012 10:30PM)
Removed input types, and replaced them with an 'Exclude' property. '0987654321' will exclude all numeric characters
Enhanced the watermark.
Add 'NullValue' that displays when the Text is null.
This project demonstrates the following..
Technique for drawing on controls such as the Windows TextBox control.
Nothing more than simple control manipulations and the basics in good practice in this one!