I am trying to write a web application containing confidential content. I have already forbidden to copy and paste. How to determine when someone presses a print screen key so that data can be hidden when it is pressed?
Do not worry about mobile phones / cameras / screen recording software, as they are not used in the environment.
I went to the search information and hope the 2 links below will help you.
http://social.msdn.microsoft.com/Forums/en/vbgeneral/thread/0778d7f2-84d3-471e-9211-337bd7e94f49
http://www.webdeveloper.com/forum/archive/index.php/t-21431.html
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fooobar.com/questions/9992347/...