New answers tagged screensaver
This is definitely a hack and will require programming. It was an interesting idea and so I used keywords and found out for you. OpenSource idea: http://www.howtogeek.com/146439/how-to-make-windows-start-the-screensaver-immediately-when-locked/ Download this and install for your desired result.
The built-in screensavers should be in the %windir%\SysWOW64 folder (e.g. Mystify.scr, Ribbons.scr, scrnsave.scr). You could add a Windows shortcut that runs one of these files. You could also add a shortcut key.
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