Thread: get window handle or screen DC of logon screen

  1. #1
    Registered User
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    Oct 2006
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    3,216

    get window handle or screen DC of logon screen

    my company is developing a remote-control system to manage our many hundreds of computers at client locations, and one of the things it needs to do is to allow the remote user to log off the current user and log on to another account. when I call GetDC(NULL), I get the screen DC, but it goes black when I log off or lock the console. is there a reliable way to get the actual screen image from the logon screen? the program running on the client computers is a service, running as the local system account. it's basically a replacement for logmein or gotomypc.
    What can this strange device be?
    When I touch it, it gives forth a sound
    It's got wires that vibrate and give music
    What can this thing be that I found?

  2. #2
    Registered User Codeplug's Avatar
    Join Date
    Mar 2003
    Posts
    4,928
    I believe that type of stuff uses either a mirror video driver and/or a Gina dll.

    gg

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