Class CollectionChangedEventData

Namespace

Microsoft.EntityFrameworkCore.Diagnostics

Assembly

Microsoft.EntityFrameworkCore.dll

A DiagnosticSource event payload class for events that indicate a collection navigation property has had entities added and/or removed.

public class CollectionChangedEventData : NavigationEventData, INavigationBaseEventData, ICollectionChangedEventData

Inheritance

object

EventData

NavigationEventData

CollectionChangedEventData

Implements

INavigationBaseEventData

ICollectionChangedEventData

Inherited Members

EventData.ToString()

EventData.EventId

EventData.LogLevel

EventData.EventIdCode

object.GetType()

object.MemberwiseClone()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Remarks

See Logging, events, and diagnostics for more information and examples.

Constructors

CollectionChangedEventData(EventDefinitionBase, Func<EventDefinitionBase, EventData, string>, EntityEntry, INavigation, IEnumerable<object>, IEnumerable<object>)

Constructs the event payload.

public CollectionChangedEventData(EventDefinitionBase eventDefinition, Func<EventDefinitionBase, EventData, string> messageGenerator, EntityEntry entityEntry, INavigation navigation, IEnumerable<object> added, IEnumerable<object> removed)

Parameters

eventDefinition EventDefinitionBase

The event definition.

messageGenerator Func<EventDefinitionBase, EventData, string>

A delegate that generates a log message for this event.

entityEntry EntityEntry

The entry for the entity instance on which the property value has changed.

navigation INavigation

The navigation property.

added IEnumerable<object>

The entities added to the collection.

removed IEnumerable<object>

The entities removed from the collection.

Properties

Added

The entities added to the collection.

public virtual IEnumerable<object> Added { get; }

Property Value

IEnumerable<object>

EntityEntry

The entry for the entity instance on which the navigation property has been added to or removed from.

public virtual EntityEntry EntityEntry { get; }

Property Value

EntityEntry

Navigation

The navigation.

public virtual INavigation Navigation { get; }

Property Value

INavigation

Removed

The entities removed from the collection.

public virtual IEnumerable<object> Removed { get; }

Property Value

IEnumerable<object>