'宣言 Public MustInherit Class BaseDataSource Implements Infragistics.Win.DataVisualization.DataSource.IDataSource, Infragistics.Win.DataVisualization.DataSource.IDataSourceSupportsCount, Infragistics.Win.DataVisualization.DataSource.IDataSourceSupportsIndexedAccess, Infragistics.Win.DataVisualization.DataSource.IEditableDataSource, Infragistics.Win.DataVisualization.DataSource.ISupportsDataChangeNotifications
public abstract class BaseDataSource : Infragistics.Win.DataVisualization.DataSource.IDataSource, Infragistics.Win.DataVisualization.DataSource.IDataSourceSupportsCount, Infragistics.Win.DataVisualization.DataSource.IDataSourceSupportsIndexedAccess, Infragistics.Win.DataVisualization.DataSource.IEditableDataSource, Infragistics.Win.DataVisualization.DataSource.ISupportsDataChangeNotifications