'Declaration
Public Class C1GroupDataCollection(Of S As Class) Inherits C1.DataCollection.C1WrapDataCollection(Of S,Object) Implements C1.DataCollection.IDataCollection(Of Object), C1.DataCollection.ISupportAsyncLoading(Of Object), ISupportConnection, ISupportCreateNewItem(Of S), ISupportEditing(Of S), C1.DataCollection.ISupportEditing(Of Object), ISupportEditing(Of T), ISupportFiltering, ISupportGrouping, ISupportIncrementalLoading, C1.DataCollection.ISupportIndexing(Of Object), ISupportPaging, ISupportRangeEditing(Of S), C1.DataCollection.ISupportRangeEditing(Of Object), ISupportRefreshing, ISupportSorting, ISupportSource, ISupportVirtualization
public class C1GroupDataCollection<S> : C1.DataCollection.C1WrapDataCollection<S,object>, C1.DataCollection.IDataCollection<object>, C1.DataCollection.ISupportAsyncLoading<object>, ISupportConnection, ISupportCreateNewItem<S>, ISupportEditing<S>, C1.DataCollection.ISupportEditing<object>, ISupportEditing<T>, ISupportFiltering, ISupportGrouping, ISupportIncrementalLoading, C1.DataCollection.ISupportIndexing<object>, ISupportPaging, ISupportRangeEditing<S>, C1.DataCollection.ISupportRangeEditing<object>, ISupportRefreshing, ISupportSorting, ISupportSource, ISupportVirtualization where S: class