Class AvaloniaListExtensions

Namespace

Avalonia.Collections

Assembly

Avalonia.Base.dll

Defines extension methods for working with AvaloniaList<T>s.

public static class AvaloniaListExtensions

Inheritance

object

AvaloniaListExtensions

Inherited Members

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Methods

ForEachItem<T>(IAvaloniaReadOnlyList<T>, Action<int, T>, Action<int, T>, Action, bool)

Invokes an action for each item in a collection and subsequently each item added or removed from the collection.

public static IDisposable ForEachItem<T>(this IAvaloniaReadOnlyList<T> collection, Action<int, T> added, Action<int, T> removed, Action reset, bool weakSubscription = false)

Parameters

collection IAvaloniaReadOnlyList<T>

The collection.

added Action<int, T>

An action called initially for each item in the collection and subsequently for each item added to the collection. The parameters passed are the index in the collection and the item.

removed Action<int, T>

An action called for each item removed from the collection. The parameters passed are the index in the collection and the item.

reset Action

An action called when the collection is reset. This will be followed by calls to added for each item present in the collection after the reset.

weakSubscription bool

Indicates if a weak subscription should be used to track changes to the collection.

Returns

IDisposable

A disposable used to terminate the subscription.

Type Parameters

T

The type of the collection items.

ForEachItem<T>(IAvaloniaReadOnlyList<T>, Action<T>, Action<T>, Action, bool)

Invokes an action for each item in a collection and subsequently each item added or removed from the collection.

public static IDisposable ForEachItem<T>(this IAvaloniaReadOnlyList<T> collection, Action<T> added, Action<T> removed, Action reset, bool weakSubscription = false)

Parameters

collection IAvaloniaReadOnlyList<T>

The collection.

added Action<T>

An action called initially for each item in the collection and subsequently for each item added to the collection. The parameters passed are the index in the collection and the item.

removed Action<T>

An action called for each item removed from the collection. The parameters passed are the index in the collection and the item.

reset Action

An action called when the collection is reset.

weakSubscription bool

Indicates if a weak subscription should be used to track changes to the collection.

Returns

IDisposable

A disposable used to terminate the subscription.

Type Parameters

T

The type of the collection items.

TrackItemPropertyChanged<T>(IAvaloniaReadOnlyList<T>, Action<Tuple<object?, PropertyChangedEventArgs>>)

Listens for property changed events from all items in a collection.

public static IDisposable TrackItemPropertyChanged<T>(this IAvaloniaReadOnlyList<T> collection, Action<Tuple<object?, PropertyChangedEventArgs>> callback)

Parameters

collection IAvaloniaReadOnlyList<T>

The collection.

callback Action<Tuple<object, PropertyChangedEventArgs>>

A callback to call for each property changed event.

Returns

IDisposable

A disposable used to terminate the subscription.

Type Parameters

T

The type of the collection items.