图表chart的使用（c++builder）

//--------------------------------------------------------------------------- #include <vcl.h> #pragma hdrstop #include "Unit1.h" //--------------------------------------------------------------------------- #pragma package(smart_init) #pragma resource "*.dfm" TForm1 *Form1; //--------------------------------------------------------------------------- __fastcall TForm1::TForm1(TComponent* Owner) : TForm(Owner) { Chart1->Hide(); Chart2->Hide(); } //--------------------------------------------------------------------------- void __fastcall TForm1::Button1Click(TObject *Sender) { Chart1->Show(); Chart2->Show(); Series1->Add(140,"Pencil" , clRed ); Series1->Add(160,"Paper", clBlue ) ; Series1->Add(160,"Paper", clBlue) ; Series2->AddPie(140,"Pencil" , clRed ) ; Series2->AddPie(160,"Paper", clBlue ) ; Series2->AddPie(160,"Paper", clBlue) ; } //---------------------------------------------------------------------------