> I have found my error. I have edited the blob-fields with a IB_Richedit.

When I

> use IB_Memo, it works as you said.
> So my new question is, how can I concatenate blob-fields, that contain
> format-strings ?

This is beyond the scope of simple string concatenation. You will need to
use some sort of RTF filter/control to do it.

FWIW,
Jason Wharton
CPS - Mesa AZ
http://www.ibobjects.com