How to apply animation to WPF PieSeries on seleted

Hi

I copied the styles for WPF PieSeries from the this location .when i applied it to the WPF series its not even showing pie pieces with colors so i removed the Opacity of grid  then its showing fine but no animation are working .
i want the pie series in the following design look . 

   DesignLook

If possible plz share a sample source code with animation .

Thanks In advance