^{ISeries.SetFunction
ISeries}

<sup>procedure SetFunction(AFunction: EFunctionType);

Type Library
TeeChartx

Description
AddFunction class Example</sup>

^{To set the period for AddFunction you should use the FunctionType property of Series}

^{To define a function series by code you should first create a new series for the function. The series may be of any type.}

^{Visual Basic}

^{{ Set the function using the SetFunction method}.}

^{TChart1.Series(0).SetFunction(tfAdd)}

^{{You may then define the period for the function - here setting it to to 5}}

^{TChart1.Series(0).FunctionType.Period = 5}

^{To undefine (delete) a function defined for the series you should either delete the Series, make it inactive, or reassign the datasource to another Function or other.}