turn off device

I have been searching the forum to see if there is some code to close/sleep the device. I have an ipod touch which has a timer to turn off after countdown time and would really like to do this on my new windows device.....thanks
Trevor
Ballarat
Australia

233 is the code for the hardware power button. Try the attached.

Thats what I was after

Thanks.....That was why I keep signing up each year, what a great community.
Trevor
Ballarat
Australia