TSeekOption = (
  soFirstEQ,
  soLastEQ,
  soAfterEQ,
  soAfter,
  soBeforeEQ,
  soBefore
);

enum TSeekOption {
  soFirstEQ,
  soLastEQ,
  soAfterEQ,
  soAfter,
  soBeforeEQ,
  soBefore
};