Trapping for Word Wrapping?

[AlaskanRose]

I want to stop word-wrapping within a multi-line text box. The reason is that each line must be limited to 70 characters due to the limitations of a variety of customers that we disseminate messages to (such as weather forecasts, etc.). I would like to turn off the feature of word-wrapping and force a carriage return, but I do not see word-wrap as a property for a text box. If that is not possible, then I would like to know when the event of a word-wrap happens or to be able to know what position the cursor is in in order to anticipate adding a carriage return automatically. I do not see word-wrap as an event for a text box. What I am doing currently is searching for carriage returns when the text box is complete to count the number of characters between the carriage returns. This finds lines >70 characters, but adding carriage returns is awkward and takes time for the user to pretty up the text. I would like to be able to trap for a word wrap as it happens or just before it happens. Any thoughts on what would be a good approach to accomplish this?

Thanks,
Rose
Nat'l Weather Service Alaska Region