Possible enumeration values:

NameValueDescription
UseZeroIfNotPresent

-1

If a reading cannot be evaluated, use 0

None

0

No option

MustBeNonZero

10

Value must be non-zero

MustBeGreaterThanZero

20

Value must be greater than zero

MustBeGreaterThanOrEqualToZero

21

Value must be greater than or equal to zero

MustBeLessThanZero

30

Value must be less than zero

MustBeLessThanOrEqualToZero

31

Value must be less than or equal to zero