Class LoadOnDemandCollection<T>

Represents an observable collection that supports loading items on demand.

Inheritance
System.Object
LoadOnDemandCollection<T>
ListViewLoadOnDemandCollection
Namespace: Telerik.Maui
Assembly: Telerik.Maui.Core.dll

Syntax

public class LoadOnDemandCollection<T> : ObservableCollection<T>, ISupportLoadOnDemand
Type Parameters
T

The type of items in the collection.

Constructors

LoadOnDemandCollection(Func<CancellationToken, IEnumerable>)

Initializes a new instance of the LoadOnDemandCollection<T> class.

Declaration
public LoadOnDemandCollection(Func<CancellationToken, IEnumerable> action)
Parameters
System.Func<System.Threading.CancellationToken, System.Collections.IEnumerable> action

The action to execute when loading items on demand.

Properties

HasMoreItems

Gets a value indicating whether there are more items available to load.

Declaration
public bool HasMoreItems { get; }
Property Value
System.Boolean

Implements

IsLoading

Gets a value indicating whether the collection is currently loading items.

Declaration
public bool IsLoading { get; }
Property Value
System.Boolean

Implements

LoadOnDemandAction

Gets the action used to load items on demand.

Declaration
public Func<CancellationToken, IEnumerable> LoadOnDemandAction { get; }
Property Value
System.Func<System.Threading.CancellationToken, System.Collections.IEnumerable>

Implements

Methods

LoadItemsOnDemand()

Loads items on demand asynchronously using the configured load action.

Declaration
public void LoadItemsOnDemand()
Implements

Events

LoadingOnDemandCanceled

Occurs when the load-on-demand operation has been canceled.

Declaration
public event EventHandler<EventArgs> LoadingOnDemandCanceled
Event Type
System.EventHandler<System.EventArgs>

Implements

LoadingOnDemandFinished

Occurs when the load-on-demand operation has finished.

Declaration
public event EventHandler<EventArgs> LoadingOnDemandFinished
Event Type
System.EventHandler<System.EventArgs>

Implements

LoadingOnDemandStarted

Occurs when the load-on-demand operation has started.

Declaration
public event EventHandler<EventArgs> LoadingOnDemandStarted
Event Type
System.EventHandler<System.EventArgs>

Implements

Extension Methods