st: Graphics return?

["Zhehui Luo" <luozhehu@msu.edu>]

Dear listers, 
Does anybody know if graphic commands return anything after they are 
executed? For example, the number of observations used etc.. If yes, how to 
access it like return list or ereturn list? 
Thanks, 
Zhehui

*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/