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screen/computer lockout

 
Ranch Hand
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how can I create code that will lock the computer? I'm trying to create a software that can remotely lock/unlock a computer running on windows xp.
Basically if I know how to create a method to lock/unlock the computer locally (that is keyboard is unusable and screen is blank/blue) then I will call that method remotely through RMI.

TIA

BTW, computer will be on local network only.
 
Java Cowboy
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There's nothing in the standard Java API to do this. You will probably need to write some native code and call that via JNI, or if you have a small executable program which can do this you might be able to call it via Runtime.exec(...).
 
Megs Maquito
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thanks for the quick reply Jesper
 
Megs Maquito
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there's seems to be a way to lock it but no way to unlock it remotely. If I use Full-screen exclusive mode of awt do you guys think this will do the trick?
 
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