^{ISeries.IsValidSeriesSource
ISeries}

<sup>function IsValidSeriesSource(SeriesIndex: Integer): WordBool;

Type Library
TeeChartx

Description
The IsValidSeriesSource function checks if the Value series parameter is a valid candidate series point provider.</sup>

^{When Series.DataSource property is assigned to another Series, all points inserted in that Series are automatically propagated to all other associated Series.}

^{This function is currently used only in IRSIFunction component. This special Series type allows only one specific Series type as DataSource: a IOHLCSeries or ICandleSeries.}

^{All other Series components will return True.}