How to Lock Workstation

I was wondering what would be the best way to send a <CTRL> <ALT> <DELETE> to the System to lock the workstation. I am making a simple program that runs in the System Tray so that I can just click on it and it will lock my system for me. I tried using sendkeys, but I can NEVER get that to work properly. Is there a way? I am currently using a Novell Client if that matters.

Can anyone help on this?

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Originally posted by SysAdmin
Can anyone help on this?

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I try to make a screensaver for my firm. To lock the Windows NT Workstation i had the same idea. This is not possible! Windows NT ignored CRTL-ALT-DELETE, this is not mentioned in the MSDN from Microsoft! You can also use the API-Function for Sendkeys, you will never get the workstation locked through Sendkeys. Now, i am actually seeking for another possibility.

Perhaps, you can take a look on this thread

Cheers,
Chris

That is not my intention to shutdown the system. I want to lock the workstation. I try to seek all API´s on http://www.allapi.net.

--- Tan