'宣言 Public MustOverride Function CalculateIndicatorItem( _ ByVal dataSource As FinancialCalculationDataSource, _ ByVal supportingCalculations As FinancialCalculationSupportingCalculations, _ ByVal currentIndex As Integer _ ) As Boolean
public abstract bool CalculateIndicatorItem( FinancialCalculationDataSource dataSource, FinancialCalculationSupportingCalculations supportingCalculations, int currentIndex )