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locked the computer using matlab

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I'm working image processing application like continuous log in authentication project in that i need to lock the system using matlab can anyone give me a good link plz..
Thanks in advance...

Accepted Answer

per isakson
per isakson on 29 Jun 2013
Edited: per isakson on 29 Jun 2013
On Windows see: Changing Computer State
Locking a Computer
The only way to lock a computer directly with the standard available tools is
to call the LockWorkstation() function in user32.dll:
Put together a call with the Matlab function, system
See: How to lock your computer using command line. This might do the trick
system('rundll32.exe user32.dll, LockWorkStation')
Or Google will help you find something better.

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