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ObservableCollection<T>.CollectionChanged Event

  • Reference

Definition

Namespace:
System.Collections.ObjectModel
Assemblies:
System.dll, System.ObjectModel.dll
Assemblies:
netstandard.dll, System.ObjectModel.dll
Assembly:
System.ObjectModel.dll
Assembly:
WindowsBase.dll
Assembly:
System.dll
Assembly:
netstandard.dll
Source:
ObservableCollection.cs
Source:
ObservableCollection.cs
Source:
ObservableCollection.cs

Important

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Occurs when an item is added, removed, or moved, or the entire list is refreshed.

C# 
public virtual event System.Collections.Specialized.NotifyCollectionChangedEventHandler CollectionChanged;
C# 
public virtual event System.Collections.Specialized.NotifyCollectionChangedEventHandler? CollectionChanged;

Event Type

NotifyCollectionChangedEventHandler

Implements

CollectionChanged

Applies to

Product Versions
.NET Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 1.0, 1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1
UWP 10.0

See also