Interface ISupportLoadOnDemand

Defines the contract for controls that support loading items on demand. This interface provides functionality for loading data incrementally as needed, with support for cancellation and status tracking.

Namespace: Telerik.Maui
Assembly: Telerik.Maui.Core.dll

Syntax

public interface ISupportLoadOnDemand

Properties

HasMoreItems

Gets a value indicating whether there are more items available to be loaded. When false, no further load-on-demand operations will be triggered.

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

true if more items are available for loading; otherwise, false.

IsLoading

Gets a value indicating whether a load-on-demand operation is currently in progress.

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

true if loading is currently in progress; otherwise, false.

LoadOnDemandAction

Gets the function that performs the actual load-on-demand operation. This function accepts a System.Threading.CancellationToken and returns an System.Collections.IEnumerable of items to be loaded.

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

A function that takes a System.Threading.CancellationToken and returns an System.Collections.IEnumerable of loaded items.

Methods

LoadItemsOnDemand()

Initiates a load-on-demand operation to load additional items. This method triggers the loading process using the configured LoadOnDemandAction.

Declaration
void LoadItemsOnDemand()

Events

LoadingOnDemandCanceled

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

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

LoadingOnDemandFinished

Occurs when the load-on-demand operation has finished, either successfully or with an error.

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

LoadingOnDemandStarted

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

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

Extension Methods