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Specifies the operator to use to compare a formula against the value in a cell or, for Between and NotBetween, to compare two formulas.
public enum ValidationOperator
Between = 0
Specifies between. Can only be used if two formulas are provided.
Equal = 2
Specifies equal.
Greater = 4
Specifies greater than.
GreaterEqual = 6
Specifies greater than or equal to.
Less = 5
Specifies less than.
LessEqual = 7
Specifies less than or equal to.
NotBetween = 1
Specifies not between. Can only be used if two formulas are provided.
NotEqual = 3
Specifies not equal.