From: Andy on
"pedro moreno" <pjmf17(a)hotmail.com> wrote in message <i2kj3o$2kh$1(a)fred.mathworks.com>...
> us, what (or who) is CSSMers? Sorry for my unknowledge...

CSSM is the name of this newsgroup. As for your real question, most basic GUI questions are answered by this FEX submission:

http://www.mathworks.com/matlabcentral/fileexchange/24861-41-complete-gui-examples