'宣言 Public Class C1SpanDataCollection(Of T As Class) Inherits C1WrapDataCollection(Of T) Implements IDataCollection(Of T), ISupportAsyncLoading(Of T), ISupportConnection, ISupportCreateNewItem(Of T), ISupportEditing(Of T), ISupportFiltering, ISupportGrouping, ISupportIncrementalLoading, ISupportIndexing(Of T), ISupportPaging, ISupportRangeEditing(Of T), ISupportRefreshing, ISupportSorting, ISupportSource, ISupportVirtualization
public class C1SpanDataCollection<T> : C1WrapDataCollection<T>, IDataCollection<T>, ISupportAsyncLoading<T>, ISupportConnection, ISupportCreateNewItem<T>, ISupportEditing<T>, ISupportFiltering, ISupportGrouping, ISupportIncrementalLoading, ISupportIndexing<T>, ISupportPaging, ISupportRangeEditing<T>, ISupportRefreshing, ISupportSorting, ISupportSource, ISupportVirtualization where T: class