TCustom3DSeries.IsValidSourceOf
TCustom3DSeries
function IsValidSourceOf(Value: TChartSeries): Boolean; override;
Unit
TeeSurfa
Description
The IsValidSourceOf function returns False if the Value parameter is the same as Self.
It's used to validate the DataSource property both at design and run-time.
A valid source of a 3D series must be another 3D series (one with XYZ values).