'宣言 Public Class C1SequenceDataCollection(Of T As Class) Inherits C1HierarchicalDataCollection(Of T) Implements IDataCollection(Of T), ISupportAsyncLoading(Of T), ISupportEditing(Of T), ISupportIncrementalLoading, ISupportIndexing(Of T), ISupportRangeEditing(Of T), ISupportSorting, ISupportVirtualization
public class C1SequenceDataCollection<T> : C1HierarchicalDataCollection<T>, IDataCollection<T>, ISupportAsyncLoading<T>, ISupportEditing<T>, ISupportIncrementalLoading, ISupportIndexing<T>, ISupportRangeEditing<T>, ISupportSorting, ISupportVirtualization where T: class