'宣言 Public Class BaseDataSource Inherits System.Windows.DependencyObject Implements IDataSource, IDataSourceSupportsCount, IDataSourceSupportsIndexedAccess, IEditableDataSource, ISupportsDataChangeNotifications
public class BaseDataSource : System.Windows.DependencyObject, IDataSource, IDataSourceSupportsCount, IDataSourceSupportsIndexedAccess, IEditableDataSource, ISupportsDataChangeNotifications