Le Thursday 22 December 2011 00:17:07, Alex a écrit :
> First, the text "Hello World!" is drawn to the surface. Then, I alter the
> text and draw it again. But the old hello world text still remains on the
> surface. 
> I don't want that. I want "Hello World!" to disappear and Susan so show up.

You have to draw a black rectangle on $app before writing Susan. I don't think 
there's another way.

HTH

Dominique
--
http://config-model.wiki.sourceforge.net/ -o- http://search.cpan.org/~ddumont/
http://www.ohloh.net/accounts/ddumont     -o- http://ddumont.wordpress.com/

Attachment: signature.asc
Description: This is a digitally signed message part.

Reply via email to