Screen Sharing Warning when in use

Hi,
Main question: "So what I would like is if anyone knows a way to just having a warning dialog when someone is connecting to screen sharing."
So here is my issue.
I have a MBP and I share an iMac with my GF. We both have administrator accounts.
So the other day we got home and I went on my MBP and wanted to clean up some files on the iMac. So I just screen shared into the computer but I didn't know that my GF was on the computer.
So she is upset that I have this ability to view the screen without her really knowing (I know there is a small icon).
But I also love remotely using my computers.
So what I would like is if anyone knows a way to just having a warning dialog when someone is connecting to screen sharing.

There is a way...
You can send a full screen message to the computer being controlled, but this will allow you to block your GF screen.
This is called Curtain Mode
http://www.apple.com/remotedesktop/remoteassistance.html
Cheers!
Message was edited by: FOX-HOUND Zero

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