Hi Adam: I really appreciate your reply. Yes, I am learning SDK 10.2.4 now. I tried Infopopup Overlay, and found it does display html file, but the link embedded in html cannot be opened. Not sure if that is as designed, or I need to buy pay to activate this "launch html link that is embedded in the html file that is displayed in the Infopopup". Please advise. Regards, Jingyao
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