how can i know if the printbutton clicked

[mmust]

hi
I am using crystal report 8.5
i did my report using asp code
when i am trying to view the result for printing i use this viewer
SmartViewerJava.asp
my question is
how can i know if the printbutton clicked ?
if any got an answer pla help

if it can not be ?
how can i put my button inside my form and send the result to be printed ?

thanks