Replacing XP Logon Screen - GameCreators Forum

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AlexI

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Joined: 31st Dec 2004

Location: UK

Posted: 10th May 2010 17:16 Edited at: 10th May 2010 17:19

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Hi,
I am trying to customize the Windows XP login screen, so that it has an extra button which launches my own program (This button will open a password reset program).

I know the login screen is stored in msgina.dll and its interface can be modfied with rescource hacker, however once I have added my button to the interface using rescource hacker, im not sure how I would modify it to launch another application.

Heres an example of what I want to do:

Any ideas how I would acheive this?

Thanks,
Alex

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David R

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Joined: 9th Sep 2003

Location: 3.14

Posted: 10th May 2010 17:28 Edited at: 10th May 2010 17:33

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This may be of use to you (part 1 of 2)

Custom functionality on GINA is not as trivial as resource editing though

From the article:

Quote: "Let me state up front that replacing the GINA is an advanced technique that should not be taken lightly. You should only do this if you have no other choice (if, for example, you are implementing a new logon mechanism that Windows does not support)."

EDIT:
Reading through that article, it seems to imply that the susbsystem which controls GINA will only allow a single thread to run (GINA itself). Which may obviously present a problem for what you're trying to achieve

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AlexI

20

Years of Service

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Joined: 31st Dec 2004

Location: UK

Posted: 10th May 2010 17:33 Edited at: 10th May 2010 17:33

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Thanks, looks like what I am looking for.