Tpie control usage in drawing pie chart in C++ builder 2010

Hi,

I have legacy desktop application by using Embarcadero C++ builder 2010, In that i want to show pie chart with different values on dashboard. for that i am trying to use Tpie control to draw Pie chart. I could not devided circle into different slices and I could not draw different colors for slices of pie chart.  Please let me know few samples to show Pie chart by using Tpie control. or  please suggest If you have any other controls for drawing pie charts ?

I have added Tpie control in form in the below shown way..

class TForm1 : public TForm

{

__published: // IDE-managed Components

   TPie *Pie1;

   __fastcall TForm1(TComponent* Owner);

};