Cекундомер в среде С++Builder

void RadioButtonClick(int Step)
  {
  Form1 -> Timer1 -> Enabled = false;
  TotalTime = 0.0;
  Form1 -> Edit1 -> Text = "0";
  Form1 -> Timer1 -> Interval = Step;
  Form1 -> Button1 -> Caption = "Старт";
  }
//--------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
Timer1 -> Enabled = !(Timer1 -> Enabled);
if (Timer1 -> Enabled == true)
  Button1 -> Caption = "Пауза";
else
  Button1 -> Caption = "Старт";
}
//--------------------------------------------------------------------
void __fastcall TForm1::Button2Click(TObject *Sender)
{
TotalTime = 0.0;
}
//--------------------------------------------------------------------
void __fastcall TForm1::Button3Click(TObject *Sender)
{
exit(0);
}
//--------------------------------------------------------------------
void __fastcall TForm1::Timer1Timer(TObject *Sender)
{
TotalTime += 0.001 * Timer1 -> Interval;
Edit1 -> Text = TotalTime;
}
//--------------------------------------------------------------------
void __fastcall TForm1::RadioButton1Click(TObject *Sender)
{
RadioButtonClick(1000);
}
//--------------------------------------------------------------------
void __fastcall TForm1::RadioButton2Click(TObject *Sender)
{
RadioButtonClick(100);
}
//--------------------------------------------------------------------
void __fastcall TForm1::RadioButton3Click(TObject *Sender)
{
RadioButtonClick(10);
}