Use C++ Programming Implemented system hang ?

Is there any way to get windows 7 operation system to hang when shutting down or reboot the system
Can perform other operations during this period

For example

The first example: http://img.ask.csdn.net/upload/201506/15/1434331440_668502.jpg

The second example: http://img.ask.csdn.net/upload/201506/15/1434331563_418143.jpg

thank you
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