Sniffing The "print Screen" Key To Attach Its' Contents On A Composed Mail Automatically

How can I sniff the Print Screen key so that when it is pressed, a number of events happen on a web page: There will be a dialog box that will pop up so that the user will only ha

Solution 1:

This is completely impossible.

Solution 2:

You might be able to get access using a signed Java applet. I do that to read some network properties for a web-based Wake-On-Lan service, but I've never tried to access the system clipboard. I suspect that there's probably a better way to do what you're trying but you don't give any information on the actual application to make a suggestion.

Solution 3:

You can not access clipboard and other system-specific facilities with javascript, due to security. Let alone sniff the keyboard.