Class PropertyChangedMessage<T>

Namespace

CommunityToolkit.Mvvm.Messaging.Messages

Assembly

CommunityToolkit.Mvvm.dll

A message used to broadcast property changes in observable objects.

public class PropertyChangedMessage<T>

Type Parameters

T

The type of the property to broadcast the change for.

Inheritance

object

PropertyChangedMessage<T>

Inherited Members

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Constructors

PropertyChangedMessage(object, string?, T, T)

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

public PropertyChangedMessage(object sender, string? propertyName, T oldValue, T newValue)

Parameters

sender object

The original sender of the broadcast message.

propertyName string

The name of the property that changed.

oldValue T

The value that the property had before the change.

newValue T

The value that the property has after the change.

Exceptions

ArgumentNullException

Thrown if sender is null.

Properties

NewValue

Gets the value that the property has after the change.

public T NewValue { get; }

Property Value

T

OldValue

Gets the value that the property had before the change.

public T OldValue { get; }

Property Value

T

PropertyName

Gets the name of the property that changed.

public string? PropertyName { get; }

Property Value

string

Sender

Gets the original sender of the broadcast message.

public object Sender { get; }

Property Value

object