C1HierarchicalDataCollection<T> Class

public abstract class C1HierarchicalDataCollection<T> : IDataCollection<T>, IReadOnlyList<T>, IReadOnlyCollection<T>, IEnumerable<T>, IEnumerable, INotifyCollectionChanged, ISupportVirtualization, ISupportAsyncLoading<T>, ISupportIncrementalLoading, ISupportSorting, ISupportRangeEditing<T>, ISupportEditing<T>, ISupportIndexing<T>, IDisposable where T : class?

Public MustInherit Class C1HierarchicalDataCollection(Of T As Class)
    Implements IDataCollection(Of T), IReadOnlyList(Of T), IReadOnlyCollection(Of T), IEnumerable(Of T), IEnumerable, INotifyCollectionChanged, ISupportVirtualization, ISupportAsyncLoading(Of T), ISupportIncrementalLoading, ISupportSorting, ISupportRangeEditing(Of T), ISupportEditing(Of T), ISupportIndexing(Of T), IDisposable

Type Parameters

Name	Description
T	The type of the items in the collection.

Constructors

Name	Description
C1HierarchicalDataCollection()

Properties

Name	Description
Count	Gets the number of elements in the collection.
HasMoreItems	Gets a value that indicates whether more items can be loaded.
InternalCollections	Gets the collections that feed this collection.
IsDisposed	Gets whether the collection is disposed.
IsVirtualizing	Gets whether the collection is virtualizing its data.
this[int]	Gets the item at the specified index.
NotifySourceResetAsReplace	Gets or sets whether the Reset notifications coming from the source will be notified as a Replace.
SortDescriptions	Gets the sort descriptions applied to the data.

Methods

Name	Description
CanInsert(int, T)	Determines whether a new item can be inserted in the collection at the specified `index`.
CanInsertRange(int, IEnumerable<T>)	Determines whether a new range of items can be inserted in the collection at the specified `startingIndex`.
CanMove(int, int)	Determines whether the item at `fromIndex` can be moved to `toIndex`.
CanMoveRange(int, int, int)	Determines whether the item at `fromIndex` can be moved to `toIndex`.
CanRemove(int)	Determines whether the item at the specified `index` can be removed from the collection.
CanRemoveRange(int, int)	Determines whether a range of items at the specified `startingIndex` can be removed from the collection.
CanReplace(int, T)	Determines whether the item at the specified `index` can be replaced in the collection.
CanReplaceRange(int, IEnumerable<T>)	Determines whether the items starting at the specified `startingIndex` can be replaced in the collection.
CanSort(params SortDescription[])	Returns whether the collection is able to sort the specified `sortDescriptions`.
Dispose()
Dispose(bool)	Called to dispose resources.
GetEnumerator()	Returns an enumerator that iterates through the collection.
GetItemType()	Gets the type of the item.
GetLoadedItems()	Returns the items that has be loaded so far.
GetLoadedItems(int?, int?)	Returns all the items that has been loaded so far.
IndexOf(T)	Gets the index of an item in the collection, or `-1` if the item is not found.
InsertAsync(int, T, CancellationToken)	Inserts the specified `item` at the specified `index` in the collection.
InsertRangeAsync(int, IEnumerable<T>, CancellationToken)	Inserts the specified `items` at the specified `startingIndex` in the collection.
LoadAsync(int?, int?, CancellationToken)	Load the items between the specified indexes.
LoadMoreItemsAsync(int?, CancellationToken)	Loads more items.
MoveAsync(int, int, CancellationToken)	Moves an item from the specified `fromIndex` to `toIndex`.
MoveRangeAsync(int, int, int, CancellationToken)	Moves the items starting at the specified `fromIndex` to `toIndex`.
OnCollectionChanged(object?, NotifyCollectionChangedEventArgs)	Raises the CollectionChanged event.
OnInternalCollectionsChangedAsync(object?, NotifyCollectionChangedEventArgs)	Called when the InternalCollections changed.
OnSortChanged()	Called when sort changed.
RemoveAsync(int, CancellationToken)	Removes the item at the specified `index` from the collection.
RemoveRangeAsync(int, int, CancellationToken)	Removes the items at the specified `startingIndex` from the collection.
ReplaceAsync(int, T, CancellationToken)	Replaces the item at the specified `index` by the specified `item`.
ReplaceRangeAsync(int, IEnumerable<T>, CancellationToken)	Replaces the items starting at the specified `startingIndex` by the specified `items`.
SortAsync(params SortDescription[])	Sorts the collection according to the specified `sortDescriptions`.
SortAsync(SortDescription[], CancellationToken)	Sorts the collection according to the specified `sortDescriptions`.