GrapeCity.Spreadsheet.SparklineDataSource.OnDirtying

OnDirtying Method

Designates this external variable to be recalculated when the next recalculation occurs.

protected override bool OnDirtying()

Protected Overrides Function OnDirtying() As Boolean

Type	Description
bool	`true` if the external variable require executing its own logic after the calculation engine is ready; otherwise, `false`.

GrapeCity.Spreadsheet.Data.CellRangeDataSource<double>.OnDirtying()

Accessing calculation engine (like get value of external variable) isn't available inside this function.