private void PieSeries_DataPointSelected(object sender, WinRTXamlToolkit.Controls.RotedEventArgs<DataPoint> e)
{
PieDataPoint pieDataPoint = e.Value as PieDataPoint;
PieSeries pieSeries = (PieChart.Series[0] as PieSeries);
if (pieDataPoint != null)
{
//pieDataPoint.DiameterScale = 0.98;
Storyboard sb = new Storyboard();
sb.CreatDoubleAnimation(pieDataPoint, "DiameterScale", 0.9, 0.98, 0.5);
sb.Begin();
if (_current != null && !_current.Equals(pieDataPoint))
{
_current.DiameterScale = 0.9;
}
_current = pieDataPoint;
}
GotoDataPointSelected(_current);
}