아래는 C++ Builder Help의 예제 입니다.

void __fastcall TForm1::FormCreate(TObject* Sender)

{
  Button1->Caption = "Ignore Messages";
  Button2->Caption = "Handle Message";
}

void __fastcall TForm1::Button1Click(TObject* Sender)
{
  int x, y;
  for (int i = 0; i < 64000; i++)
{
    Randomize();
    for (int j = 0; j < 64000; j++)
      y = random(j);
    x = random(i);
  }
  Canvas->TextOut(10, 10, "The Button1Click handler is finished");
}

void __fastcall TForm1::Button2Click(TObject *Sender)

{
  int x, y;
  for (int i = 0; i < 64000; i++)
  {
    Randomize();
    for (int j = 0; j < 64000; j++)
    {
      y = random(j);
      Application->ProcessMessages();
    }
    x = random(i);
  }
  Canvas->TextOut(10, 10, "The Button2Click handler is finished");