# Wijmo.Notifycollectionchangedeventargs ## Content

NotifyCollectionChangedEventArgs Class

Provides data for the INotifyCollectionChanged.collectionChanged event.

Type parameters

T

Heirarchy

EventArgs
- NotifyCollectionChangedEventArgs

Constructors

constructor

Properties

Constructors

constructor

new NotifyCollectionChangedEventArgs(action?: NotifyCollectionChangedAction, item?: T, index?: number): NotifyCollectionChangedEventArgs

Initializes a new instance of the NotifyCollectionChangedEventArgs class.

Parameters
- Optional action: NotifyCollectionChangedAction
  
  Type of action that caused the event to fire.
- Optional item: T
  
  Item that was added or changed.
- Optional index: number
  
  Index of the item.
Returns NotifyCollectionChangedEventArgs

Properties

action

action: NotifyCollectionChangedAction

Gets the action that caused the event to fire.

index

index: number

Gets the index at which the change occurred.

item

item: T

Gets the item that was added, removed, or changed.

Static empty

empty: EventArgs

Provides a value to use with events that do not have event data.

Static reset

reset: NotifyCollectionChangedEventArgs<any>

Provides a reset notification.