ICollectionView Interface
Definition
Important
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Enables collections to have the functionalities of current record management, custom sorting, filtering, and grouping.
public interface class ICollectionView : System::Collections::IEnumerable, System::Collections::Specialized::INotifyCollectionChanged
public interface ICollectionView : System.Collections.IEnumerable, System.Collections.Specialized.INotifyCollectionChanged
type ICollectionView = interface
interface IEnumerable
interface INotifyCollectionChanged
Public Interface ICollectionView
Implements IEnumerable, INotifyCollectionChanged
- Derived
- Implements
Remarks
The interface is implemented by the CollectionView class, which is the base class for BindingListCollectionView, ListCollectionView, and ItemCollection.
Properties
CanFilter |
Gets a value that indicates whether this view supports filtering via the Filter property. |
CanGroup |
Gets a value that indicates whether this view supports grouping via the GroupDescriptions property. |
CanSort |
Gets a value that indicates whether this view supports sorting via the SortDescriptions property. |
Culture |
Gets or sets the cultural info for any operations of the view that may differ by culture, such as sorting. |
CurrentItem |
Gets the current item in the view. |
CurrentPosition |
Gets the ordinal position of the CurrentItem within the view. |
Filter |
Gets or sets a callback used to determine if an item is suitable for inclusion in the view. |
GroupDescriptions |
Gets a collection of GroupDescription objects that describe how the items in the collection are grouped in the view. |
Groups |
Gets the top-level groups. |
IsCurrentAfterLast |
Gets a value that indicates whether the CurrentItem of the view is beyond the end of the collection. |
IsCurrentBeforeFirst |
Gets a value that indicates whether the CurrentItem of the view is beyond the beginning of the collection. |
IsEmpty |
Returns a value that indicates whether the resulting view is empty. |
SortDescriptions |
Gets a collection of SortDescription objects that describe how the items in the collection are sorted in the view. |
SourceCollection |
Returns the underlying collection. |
Methods
Contains(Object) |
Returns a value that indicates whether a given item belongs to this collection view. |
DeferRefresh() |
Enters a defer cycle that you can use to merge changes to the view and delay automatic refresh. |
GetEnumerator() |
Returns an enumerator that iterates through a collection. (Inherited from IEnumerable) |
MoveCurrentTo(Object) |
Sets the specified item to be the CurrentItem in the view. |
MoveCurrentToFirst() |
Sets the first item in the view as the CurrentItem. |
MoveCurrentToLast() |
Sets the last item in the view as the CurrentItem. |
MoveCurrentToNext() |
Sets the item after the CurrentItem in the view as the CurrentItem. |
MoveCurrentToPosition(Int32) |
Sets the item at the specified index to be the CurrentItem in the view. |
MoveCurrentToPrevious() |
Sets the item before the CurrentItem in the view as the CurrentItem. |
Refresh() |
Recreates the view. |
Events
CollectionChanged |
Occurs when the collection changes. (Inherited from INotifyCollectionChanged) |
CurrentChanged |
When implementing this interface, raise this event after the current item has been changed. |
CurrentChanging |
When implementing this interface, raise this event before changing the current item. Event handler can cancel this event. |
Extension Methods
Cast<TResult>(IEnumerable) |
Casts the elements of an IEnumerable to the specified type. |
OfType<TResult>(IEnumerable) |
Filters the elements of an IEnumerable based on a specified type. |
AsParallel(IEnumerable) |
Enables parallelization of a query. |
AsQueryable(IEnumerable) |
Converts an IEnumerable to an IQueryable. |