var instance = new GC.Spread.Sheets.ConditionalFormatting.ConditionRuleBase(ruleType, style, ranges);
var value; // Type: object
value = instance.evaluate(evaluator, baseRow, baseColumn, actual);

function evaluate( 
   evaluator : object,
   baseRow : number,
   baseColumn : number,
   actual : object
) : object;

Parameters

evaluator

The object that can evaluate a condition.

baseRow

The row index.

baseColumn

The column index.

actual

The actual value.

Return Value

Reference

ConditionRuleBase type