var rule = new GC.Spread.Sheets.ConditionalFormatting.ScaleRule();
rule.ranges([new GC.Spread.Sheets.Range(0,0,10,3)]);
rule.ruleType(GC.Spread.Sheets.ConditionalFormatting.RuleType.twoScaleRule);
rule.minType(GC.Spread.Sheets.ConditionalFormatting.ScaleValueType.number);
rule.minValue(10);
rule.minColor("Yellow");
rule.maxType(GC.Spread.Sheets.ConditionalFormatting.ScaleValueType.number);
rule.maxValue(100);
rule.maxColor("Blue");
activeSheet.conditionalFormats.addRule(rule);
activeSheet.setValue(0,0, 1,3);
activeSheet.setValue(1,0, 50,3);
activeSheet.setValue(2,0, 100,3);