void __fastcall TForm1::Timer1Timer(TObject *Sender)
{
JOYINFOEX joyInfo1;
MMRESULT err;
ZeroMemory(&joyInfo1, sizeof(JOYINFOEX));
joyInfo1.dwSize=sizeof(JOYINFOEX);
joyInfo1.dwFlags=JOY_RETURNALL;
joyGetPosEx(JOYSTICKID1, &joyInfo1);
// Insertamos el valor capturado "joyInfo1.dwButtons"
Edit1->Text=joyInfo1.dwButtons;
}