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Returns or sets one of the constants of the FormatConditionOperator enumeration, which specifes if the threshold is "greater than" or "greater than or equal to" the threshold value.
FormatConditionOperator Operator { get; set; }
Property [Operator] As FormatConditionOperator
For an icon set conditional formatting rule, this property can be set to only one of the following two constants: xlGreater or xlGreaterEqual.