Detecting System Restart or Shutdown?

[waqar afridi]

Hello Dear List

Is there any method through which I can Detect that the System was recently
shutdown or Restarted?

*Explanation:*

I am making a utility that will Store some Files on HardDisk. I want the
utility to Detect if the System
is newly Booted. If it is, It should delete those Files and Create fresh
Once.

Thanx in Advance

-- 
*Waqar Afridi*
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