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TRSCustomChartFunction.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: RSChartFunction
Delphi |
public |
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
Note that this function is a class procedure so it may be called even if the TRSCustomChartFunction is not instantiated. The function can also be called by custom functions. For example, you could create a custom function that calls this function and then does something with the result |
