This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
It would be a lot easier to help you if you provide more context about your question. Where did you find setonclicklistener()? Does this have anything to do with C or C++ (since you posted it in the C / C++ forum)?