No built in way. You would have to use the change event or other
appropriate event for a control toolbox toolbar textbox or for a textbox
from the drawing toolbar, use the OnAction macro. It wouldn't be a
restriction, but a notification and rejection if it didn't comply.
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.