How to customize toolkit listpicker as a popup in windows 8 apps developing?

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C#

XAML

Windows-Phone-8

Hi ,

I am developing as windows 8 application . For this I have used toolkit list picker control . I am able to execute the code . The problem is while clicking on the list picker it is opening in full screen mode after selecting them again control is going to on navigated to method. I don't want to do like this . That's why I want to display list picker as a popup. Is it possible.
I tried this link

http://www.geekchamp.com/articles/customizing-listpicker-for-wp7-part1[^]

I don't know exactly how do like in that link .

Any suggestions..

Thanks..