NotifyCollectionChangedEventArgs Class

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Provides event data for the CollectionChanged event.

Inheritance Hierarchy

System..::.Object
System..::.EventArgs
System.Collections.Specialized..::.NotifyCollectionChangedEventArgs

Namespace: System.Collections.Specialized
Assembly: System (in System.dll)

Syntax

Public Class NotifyCollectionChangedEventArgs _
    Inherits EventArgs
public class NotifyCollectionChangedEventArgs : EventArgs

The NotifyCollectionChangedEventArgs type exposes the following members.

Constructors

Name Description
NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction) Initializes a new instance of the NotifyCollectionChangedEventArgs class, specifying the NotifyCollectionChangedAction value.
NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction, IList) Initializes a new instance of the NotifyCollectionChangedEventArgs class that describes a multi-item change.
NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction, Object) Initializes a new instance of the NotifyCollectionChangedEventArgs class that describes a one-item change.
NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction, IList, IList) Initializes a new instance of the NotifyCollectionChangedEventArgs class that describes a multi-item Replace change.
NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction, IList, Int32) Initializes a new instance of the NotifyCollectionChangedEventArgs class that describes a multi-item change or a Reset change.
NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction, Object, Int32) Initializes a new instance of the NotifyCollectionChangedEventArgs class that describes an Add or Remove change.
NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction, Object, Object) Initializes a new instance of the NotifyCollectionChangedEventArgs class that describes a one-item Replace change.
NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction, IList, IList, Int32) Initializes a new instance of the NotifyCollectionChangedEventArgs class that describes a multi-item Replace change.
NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction, IList, Int32, Int32) Initializes a new instance of the NotifyCollectionChangedEventArgs class that describes a multi-item Move change.
NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction, Object, Int32, Int32) Initializes a new instance of the NotifyCollectionChangedEventArgs class that describes a one-item Move change.
NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction, Object, Object, Int32) Initializes a new instance of the NotifyCollectionChangedEventArgs class that describes a Replace change.

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Properties

Name Description
Action Gets the description of the action that caused the event.
NewItems Gets the items affected by an action.
NewStartingIndex Gets the index at which the change occurred.
OldItems Gets the item affected by a Replace or Remove action.
OldStartingIndex Gets the index at which the change occurred for a Replace or Remove action.

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Methods

Name Description
Equals(Object) Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Finalize Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
GetHashCode Serves as a hash function for a particular type. (Inherited from Object.)
GetType Gets the Type of the current instance. (Inherited from Object.)
MemberwiseClone Creates a shallow copy of the current Object. (Inherited from Object.)
ToString Returns a string that represents the current object. (Inherited from Object.)

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Version Information

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Platforms

Windows Phone

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

See Also

Reference

System.Collections.Specialized Namespace