If I understand you correct you are adding one character after another into the text box? This should be the root of your problem. Preprocess your text and add it word by word and the text box should be able to do the wrapping correctly.
If I understand you correct you are adding one character after another into the text box? This should be the root of your problem. Preprocess your text and add it word by word and the text box should be able to do the wrapping correctly.