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Navigation: Code Documentation > RSFMXCharts > FMX.RS.ChartFunction > Classes > TRSFMXCustomChartFunction > Methods

TRSFMXCustomChartFunction.Sum(TRSCustomChart,Integer,Integer,TDateTime,Integer) Method

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Calculates the sum of all values from IndexLow to IndexHigh in the SourceChart and returns the sum

Namespace: FMX.RS.ChartFunction

Parameters

SourceChart

Type: TRSCustomChart

Chart to calculate the sum from

IndexLow

Type: Integer

Lower bounds index into the SourceChart

IndexHigh

Type: Integer

Upper bounds index into the SourceChart
 

TimeStamp

Type: TDateTime

TimeStamp of the new value

SourceDim

Type: Integer

Return Value

Type: TRSChartValueType

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