/// <summary>
/// Verifica si hay una tarjeta presente en el lector.
/// </summary>
/// <returns>True si hay una tarjeta presente, False en caso contrario</returns>
public bool CheckIfCardIsPresent()
{
bool b = false;
int cardstate = scardr.GetReaderState(_strReaderName);
if (cardstate == SCardRoutines.CARD_PRESENT)
{
b = true;
}
if (cardstate == SCardRoutines.CARD_NOT_PRESENT)
{
b = false;
}
return(b);
}
