График с помощью TChart

[C++ Error] Unit1.cpp(60): E2193 Too few parameters in call to '_fastcall TCustomAxisPanel::GetSeries(int)'

//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button1Click(TObject *Sender)
{String nameS;
int cosS = rand()%64;
 
    //----------------------------------------------
    TLineSeries *iNSeries = new TLineSeries(Chart1);
    iNSeries->Name = "iNSeries" + (String)(Chart1->SeriesList->Count);
    Chart1->AddSeries(iNSeries);
    //----------------------------------------------
 
    iNSeries->LinePen->Width = 3;
 
    for( int i = 0; i < 255; i++)
    {   iNSeries->SeriesColor = (TColor)RGB(255, i, 255 - i);
        Application->ProcessMessages();
        Sleep(32);
        iNSeries->AddXY(i, cos((float)i/cosS * M_PI_2 ) * 100);
    }
 
    Sleep(2000);
    nameS = "Презентативная серия - " + iNSeries->Name;
    ShowMessage(nameS);
    delete iNSeries;
}
//---------------------------------------------------------------------------